WZOI基础题库1

WZOI基础题库1

入坑网站 wzoi

方便大家复制 不写注释了 文章有点长，总共 1236 1786 行

1.Hello World

int main(){cout << "Hello World!";
}

2.打印Hello World

int main(){cout<<"**************************"<<endl<<"         Very    Good!"<<endl<<"**************************";
}

3.默写数字

int main(){int n;cin>>n;cout<<n;
}

4.A+B Problem

int main(){int a,b,c;cin>>a>>b;cout<<a+b<<endl;
}

5.输出第二个整数

int main(){int a,b,c;cin>>a>>b>>c;cout<<b;
}

6.求一个数的前后两个数

int main(){int n,x;cin>>n>>x;cout<<n-x<<endl<<n+x<<endl;
}

7.竖式计算

int main() {int a,b;cin>>a>>b;printf("%10dn%4c%6dn-----------n%10d",a,'+',b,a+b);
}

8.植树造林

int main(){int a,b;cin>>a>>b;cout<<a*b<<endl;
}

9.求自行车总价

int main(){int a;cin>>a;cout<<a*300;
}

10.三位数

int main(){int ge,shi,bai;cin>>shi;bai=shi+1;ge=bai*2;cout<<bai<<shi<<ge;
}

11.做蛋糕

int main(){int a1,a2,a3,b1,b2,b3;cin>>a1>>a2>>a3>>b1>>b2>>b3;cout<<a1*b1+a2*b2+a3*b3<<endl;
}

12.计算(a+b)*c的值

int main(){int a,b,c;cin>>a>>b>>c;cout<<(a+b)*c;
}

13.求余数

int main(){int a,b;cin>>a>>b;cout<<a%b;
}

14.计算(a+b)/c的值

int main(){int a,b,c;cin>>a>>b>>c;cout<<(a+b)/c;
}

15.小玉买文具

int main(){int a,b;cin>>a>>b;cout<<(a*10+b)/19;
}

16.买苹果

int main(){int a,b;cin>>a;cout<<(a/3)*4+a%3;
}

17.买牛奶

int main(){int a,b,c,d;cin>>a>>b>>c>>d;cout<<d/a*a/b*c+(d/a);
}

18.小鱼的游泳时间

int main(){int a,b,c,d;cin>>a>>b>>c>>d;cout<<((c-a)*60+d-b)/60<<" "<<((c-a)*60+d-b)%60;
}

19.周长与面积

int main(){int a,b;cin>>a>>b;cout<<"perimeter="<<(a+b)*2<<endl<<"area="<<a*b;
}

20.求筝形面积

int main(){long long a,b;cin>>a>>b;cout<<a*b;
}

21.求正立方体表面积

int main(){int a;cin>>a;cout<<a*a*6;
}

22.输出保留3位小数的浮点数

int main(){double x;cin>>x;cout<<fixed<<setprecision(3)<<x;
}

23.工资

int main(){int x,y;double z;cin>>x>>y>>z;cout<<"NUMBER = "<<x<<endl<<fixed<<setprecision(2)<<"SALARY = U$ "<<y*z;
}

24.四舍五入

int main(){int y;double x;cin>>x>>y;cout<<fixed<<setprecision(y)<<x;
}

25.求梯形面积

int main(){double a,b,c;cin>>a>>b>>c;cout<<fixed<<setprecision(2)<<(a+b)*c/2;
}

26.梯形面积

int main(){   double a;cout<<fixed<<setprecision(2)<<160.0*2/15*(15+25)/2;
}

27.求圆柱体表面积

int main(){double r,h;cin>>r>>h;cout<<fixed<<setprecision(2)<<2*(3.14*r*r)+2*(3.14*r*h);
}

28.计算总成绩与平均成绩

int main(){double a,b,c,d;cin>>a>>b>>c>>d;cout<<fixed<<setprecision(2)<<a+b+c+d<<endl<<(a+b+c+d)/4;
}

29.新平均成绩

int main(){double x,score,n;cin>>x>>score>>n;cout<<fixed<<setprecision(3)<<(x*n-score)/(n-1);
}

30.歌手大奖赛

注意题目输出需要6.2lf或者setw(6)

int main(){double score;printf("%6.2lf",((9.6*6)-((9.6*12)-(9.4*5)-(9.8*5)))/4);
}

31.奇葩的饭店

int main(){double a,b;cin>>a>>b;cout<<fixed<<setprecision(4)<<b/(a/100);
}

32.猜数游戏

int main(){int x;cin>>x;cout<<(x*1000+x)/7/11/13;
}

33.求根号x的值

int main(){int x;cin>>x;cout<<fixed<<setprecision(3)<<sqrt(x);
}

34.求logx

int main(){double x;cin>>x;cout<<fixed<<setprecision(3)<<log(x)<<endl<<log10(x)<<endl<<log2(x);
}

35.求两者较大值的max函数的用法

int main(){char c;int a,b;cin>>a>>c>>b;cout<<"max="<<max(a,b);
}

36.求自行车和三轮车各是多少辆

int main(){int a,b;cin>>a>>b;cout<<(a*3-b)/(3-2)<<" "<<(b-a*2)/(3-2);
}

37.鸡兔同笼

int main(){int x,y,m,n;cin>>x>>y;cout<<(x-(y*2))/(4-2)<<" "<<((y*4)-x)/(4-2);
}

38.计算路程

int main(){double v,t;cin>>v>>t;cout<<fixed<<setprecision(2)<<v*t;
}

39.带余除法

int main(){int a,b;cin>>a>>b;cout<<a/b<<" "<<a%b;
}

40.交换门牌号

int main(){int s;cin>>s;cout<<s%10<<s/10;
}

41.密码

int main(){long long m,s=1,i;cin>>m;for(i=m;i>m-3;i--)s*=i;cout<<s;
}

42.浮点数向零舍入

int main(){double n;cin>>n;cout<<int(n);
}

43.计算浮点数相除的余数

int main(){double a,b;cin>>a>>b;cout<<fixed<<setprecision(4)<<a-b*int(a/b);
}

44.整型数据类型存储空间大小

int main(){long long a;int b;short c;cout<<sizeof(a)<<" "<<sizeof(b)<<" "<<sizeof(c);
}

45.浮点型数据类型存储空间大小

int main(){float a;double b;cout<<sizeof(a)<<" "<<sizeof(b);
}

46.其他基本数据类型存储空间大小

int main(){bool a;char b;cout<<sizeof(a)<<" "<<sizeof(c);
}

47.空格分隔输出

int main(){char a;	int b;	float c;	double d;cin>>a>>b>>c>>d;cout<<fixed<<setprecision(6)<<a<<" "<<b<<" "<<c<<" "<<d<<endl;
}

48.整型与布尔型的转换

int main(){int a;	bool b;cin>>a;cout<<int(bool(a));
}

49.字符三角形

int main(){char a;cin>>a;cout<<"  "<<a<<endl<<" "<<a<<a<<a<<endl<<a<<a<<a<<a<<a<<endl;
}

50.字符菱形

int main(){char a;cin>>a;cout<<"  "<<a<<endl<<" "<<a<<a<<a<<endl<<a<<a<<a<<a<<a<<endl<<" "<<a<<a<<a<<endl<<"  "<<a<<endl;
}

51.读取单个字符的getchar()函数

int main(){char c;c=getchar();cout<<c<<endl;
}

52.打印ASCII码

int main(){char a;cin>>a;cout<<int(a);
}

53.打印字符

int main(){int b;cin>>b;cout<<char(b);
}

54.大写字母转小写字母

int main(){char a;cin>>a;cout<<char(a+32);
}

55.特殊输出

int main(){int a,b;cin>>a>>b;printf("%*dn%0*dn%-*dn",b,a,b,a,b,a);
}

56.特殊输出2

int main(){double a;int b;cin>>a>>b;printf("%*.3lfn%0*.3lfn%-*.3lfn",b,a,b,a,b,a);
}

57.字符变换

int main(){char c1,c2,c3;int a1,a2,a3;cin>>c1>>c2>>c3>>a1>>a2>>a3;cout<<char(c1+pow(2,a1))<<" "<<char(c2+pow(2,a2))<<" "<<char(c3+pow(2,a3))<<" ";
}

58.加密算法

int main(){char a;cin>>a;cout<<char(122-a+97);
}

59.甲流疫情死亡率

int main(){double a,b;cin>>a>>b;cout<<fixed<<setprecision(3)<<b/(a/100)<<"%";
}

60.计算多项式的值

int main(){double a,b,c,d,x;cin>>x>>a>>b>>c>>d;cout<<fixed<<setprecision(7)<<a*x*x*x+b*x*x+c*x+d;
}

61.数列取数

int main(){long long a,b,c;cin>>a>>b>>c;cout<<a*2+b*4+c*8;
}

62.填充矩形

int main(){int n,m,a,b,c;cin>>n>>m>>a;cout<<int(n/a)*int(m/a);
}

63.大象喝水

int main(){int h,r;cin>>h>>r;cout<<ceil(20000/(3.14159*r*r*h));
}

64.求等差为3的数列

int main(){int a;cin>>a;cout<<(2+(a-1)*3+2)*a/2;
}

65.等差数列末项计算

int main(){int a,b,c;cin>>a>>b>>c;cout<<(b-a)*(c-1)+a;
}

66.计算线段长度

int main(){int Xa,Ya,Xb,Yb;double a;cin>>Xa>>Ya>>Xb>>Yb;cout<<fixed<<setprecision(3)<<double(abs(sqrt((Xb-Xa)*(Xb-Xa)+(Yb-Ya)*(Yb-Ya))));
}

67.计算折线长度

int main(){double Xa,Ya,Xb,Yb,Xc,Yc,a=0;cin>>Xa>>Ya>>Xb>>Yb>>Xc>>Yc;a+=sqrt(abs((0-Xa)*(0-Xa)+(0-Ya)*(0-Ya)));a+=sqrt(abs((Xb-Xa)*(Xb-Xa)+(Yb-Ya)*(Yb-Ya)));a+=sqrt(abs((Xc-Xb)*(Xc-Xb)+(Yc-Yb)*(Yc-Yb)));cout<<fixed<<setprecision(5)<<a;
}

68.送午饭

int main(){int x1,y1,x2,y2,h,v;double a=0;cin>>h>>v>>x1>>y1>>x2>>y2;a+=abs(sqrt((x1-0)*(x1-0)+(y1-0)*(y1-0)));a+=abs(sqrt((x2-0)*(x2-0)+(y2-0)*(y2-0)));a+=h;`a/=v;cout<<fixed<<setprecision(2)<<a;
}

69.计算曼哈顿距离

int main(){double x1,y1,x2,y2,a=0;cin>>x1>>y1>>x2>>y2;a=abs(x1-x2)+abs(y1-y2);cout<<fixed<<setprecision(3)<<abs(x1-x2)+abs(y1-y2);
}

70.计算球的体积

int main(){double x;cin>>x;cout<<fixed<<setprecision(2)<<4.0/3*3.14*x*x*x;
}

71.计算并联电阻的阻值

int main(){double r1,r2;cin>>r1>>r2; cout<<fixed<<setprecision(2)<<1/(1/r1+1/r2);
}

72.求面积差

寻求老师的帮忙……

int main() {cout<<0.1642;
}

73.整数反转

第40题的加强版

int main(){char a,b,c;cin>>a>>b>>c; cout<<c<<b<<a;
}

74.变量交换

swap(,)函数

int main(){int a,b;cin>>a>>b;swap(a,b);cout<<a<<" "<<b;
}

75.交换三个字符并输出

int main(){char a,b,c;cin>>a>>b>>c;cout<<c<<b<<a;
}

76.计算塔高

寻求老师的帮助……

int main() {double l,a,b,m;const double PI=3.14159;cin>>l>>a>>b;a=a/180*PI;b=b/180*PI;m=l/(1/tan(b)-1/tan(a));printf("%.3f", m);
}

77.判断奇偶

int main(){int a;cin>>a;if(a%2==0)cout<<"even";else cout<<"odd";
}

78.判断是否被5整除

int main(){int a,b,c;cin>>a>>b>>c;if(a%5==0 && b%5==0 && c%5==0)cout<<"Y es.";else cout<<"No_";
}

79.判断一个数能否同时被3和5整除

int main(){int n;cin>>n;if(n%5==0&&n%3==0)cout<<"YES";else cout<<"NO";
}

80.打车费用

int main() {double lucheng,shijian,feiyong=0;cin>>lucheng>>shijian;if(lucheng>10)feiyong=11+(10-2)*1.8+(lucheng-10)*1.8*1.5;else if(lucheng>2)feiyong=11+(lucheng-2)*1.8;else feiyong=11;feiyong+=int(shijian/3);cout<<fixed<<setprecision(1)<<feiyong;
}

81.登录程序

int main(){   int username=0,password=0;cin>>username>>password;if(username==202201)if(password==123456)cout<<"welcome!";else cout<<"wrong password!"; else cout<<"wrong user!";
}

82.旅游景点

int main(){double m;cin>>m;if(m<1.2) cout<<"free";else if(m>=1.2 && m<=1.5) cout<<"half-price ticket";else if(m>1.5) cout<<"full ticket";
}

83.判断超速

int main(){   double s,t;cin>>s>>t;if(3600/t*s>=100) cout<<fixed<<setprecision(2)<<"yes"<<endl<<3600/t*s;else cout<<"no";
}

84.区间测速

int main(){   double s,t;cin>>s>>t;if(3600/t*s>=100){cout<<fixed<<setprecision(2);if(3600/t*s>100 && 3600/t*s<120) cout<<"<20%";else if(3600/t*s>=120 && 3600/t*s<150) cout<<"<50%";else if(3600/t*s>=150 && 3600/t*s<170) cout<<"<70%";else if(3600/t*s>=170) cout<<">=70%";cout<<endl<<3600/t*s;}else cout<<"no";
}

85.判断闰年

int main(){   int nian;cin>>nian;if(nian%4==0&&nian%100||nian%400==0) cout<<"Y";else cout<<"N";
}

86.奇偶ASCII值判断

int main(){   char a;cin>>a;if(int(a)%2==0)cout<<"NO";else cout<<"YES";
}

87.整数大小比较

int main(){   long long a,b;cin>>a>>b;if(a>b) cout<<">";else if(a==b) cout<<"=";else if(a<b) cout<<"<";
}

88.判断是否为两位数

int main(){   long long a;cin>>a;cout<<a>=10&&a<=99;
}

89.测量体温

int main(){double t;cin>>t;if(t>=36.5 && t<=37.5) cout<<"Yes";else cout<<"No";
}

90.奇数偶数

int main(){int a;cin>>a;if(a%2==0)cout<<a-1;else cout<<a*2;
}

91.计算BMI指数

int main(){int kg;double m,BMI;cin>>kg>>m;BMI=kg/m/m;if(BMI<18.5) cout<<"thin!";else if(BMI>=18.5&&BMI<=25) cout<<"normal!";else cout<<"fat!";
}

92.运动打卡

int main(){int h;cin>>h;if(h<0) cout<<"error!";else if(h<30) cout<<"0";else if(h<45) cout<<"300";else if(h<60) cout<<"450";else cout<<"500";
}

93.星期几

int main(){int h;cin>>h;if(h<1||h>7)cout<<"input error!";else if(h==1) cout<<"Monday";else if(h==2) cout<<"Tuesday";else if(h==3) cout<<"Wednesday";else if(h==4) cout<<"Thursday";else if(h==5) cout<<"Friday";else if(h==6) cout<<"Saturday";else cout<<"Sunday";
}

94.晶晶赴约会

int main(){int d;cin>>d;if(d==1||d==3||d==5)cout<<"NO";else cout<<"YES";
}

95.过山车

int main(){int h1,h2,a,b,c,x=0;cin>>h1>>h2>>a>>b>>c;if(a<h1 && a>h2)x++;if(b<h1 && b>h2)x++;if(c<h1 && c>h2)x++;if(x)cout<<x;else cout<<-1;
}

96.拯救暴风城

int main(){int n,x,m;cin>>n>>x>>m;if(x*m>=n) cout<<"juruo pks!";else cout<<"ruoji cchuan!";
}

97.次方比较

int main(){int a,b,c;cin>>a>>b>>c;if(pow(a,b)<c) cout<<"Pks dalao!";else if(pow(a,b)==c) cout<<"pKs dalao!!";else cout<<"pkS dalao!!!";
}

98.托运价格

int main() {double w,a,b;scanf("%lf,%lf",&w,&a); w*=1000;if(w==0)b=0;else if(w<=10)b=2.33;else if(w>10)b=2.33+(w-10)*1.165;cout<<fixed<<setprecision(3)<<b<<endl<<a-b;
}

99.计算甜甜圈面积

int main(){long double a,R,r;cin>>R>>r;if(R<=r)cout<<0;else cout<<fixed<<setprecision(11)<<3.14159265359*(pow(R,2)-pow(r,2));
}

100.苹果和虫子

int main() {int n,x,y,b;cin>>n>>x>>y;b=y/x;if(y%x!=0)b+=1;if(n-b<0)b=n;cout<<n-b;
}

101.计算成绩

int main(){double a,na,b,nb,c,nc,x,y;cin>>a>>na>>b>>nb>>c>>nc;x=(na-a)/a,y=(na-a+nb/(1+b)*b+c)/(a+nb/(1+b)+nc-c);if (x>=y)printf("%.2f",x-y);else cout<<"tan90";
}

102.选举

int main() {int n,m,a=0,b=0;for(int i=0;i<4;i++)cin>>n>>m,a+=n,b+=m;if(a>b)cout<<"qindingla!";else cout<<"too naive!";
}

103.说谎

int main(){bool a,b,c,d,a1,a2,a3,a4;cin>>a>>b>>c>>d,a4=1;if(a4==d)a3=1;else a3=0;if(a3==c)a2=1;else a2=0;if(a2==b)a1=1;else a1=0;cout<<a1<<" "<<a2<<" "<<a3<<" "<<a4;
}

104.装修

int main() {int n,m,k;cin>>n>>m>>k;if(m<k)cout<<m*n;else cout<<k*n;
}

105.英雄战士

int main() {int a,b,m,h;cin>>a>>b>>m>>h;if(min(h,m)>=min(a,b))cout<<"terrorist win";else cout<<"counter terrorist win";
}

106.追赶问题

int main(){int v1,v2;double x,t;cin>>x>>v1>>v2>>t;cout<<fixed<<setprecision(2);if(x/(v1-v2)<t)cout<<"Yes"<<" "<<x/(v1-v2);else cout<<"No";
}

107.撕票

int main(){long long time,ph,n,i;cin>>time>>ph>>n;if(n*time>ph)cout<<""PKS has been killed!"";else cout<<""You have been killed by PKS!"";
}

108.四叶玫瑰

int main() {int ge,shi,bai,qian,shu;cin>>shu;qian=shu/1000,bai=(shu/10)%10,shi=(shu/100)%10,ge=shu%10;if(pow(qian,4)+pow(bai,4)+pow(shi,4)+pow(ge,4)==shu)cout<<"yes";else cout<<"no";
}

109.判断分数

int main(){ long long n,m,a,x,b,y;cin>>n>>m>>a>>x>>b>>y;if(a==x/m&&b==y/m)cout<<2333;else cout<<((abs(a-x/m)>abs(b-y/m))?abs(a-x/m)*m:abs(b-y/m)*m);
}

110.天命数

int main(){long long k,n,m,shu;cin>>n>>m>>k;if(k==1)shu=max(n,m)/min(n,m);if(k==2)shu=n+m;if(k==3)shu=(max(n,m)/min(n,m)*(n+m))/max(n,m)%min(n,m);if(shu==0)cout<<"cangtianyisi,huangtiandangli";else cout<<shu;
}

111.分段函数

int main(){int x;cin>>x;if(x>0)cout<<1<<endl;else if(x==0)cout<<0<<endl;else if(x<0)cout<<-1<<endl;
}

112.商场折扣

int main() {double x;cin>>x;cout<<fixed<<setprecision(2);if(x<250)cout<<x;if(x>=250 && x<500)cout<<x*0.95;if(x>=500 && x<1000)cout<<x*0.9;if(x>=1000 && x<2000)cout<<x*0.85;if(x>=2000)cout<<x*0.8;
}

113.成绩评定

int main() {int a;cin>>a;if(a>=85)cout<<"A";else if(a>=60&&a<85)cout<<"P";else cout<<"E";
}

114.求方程的解(简化版)

int main() {double x1,x2,A,B,C,disc;cin>>A>>B>>C;disc=B*B-4*A*C;if(disc>0)x1=(-B+sqrt(disc))/(2*A),x2=(-B-sqrt(disc))/(2*A),cout<<fixed<<setprecision(2),cout<<max(x1,x2)<<" "<<min(x1,x2)<<endl;
}

115.求直角梯形最长对角线

int main() {long double a,b,c,d,e;cin>>a>>b>>c;d=max(a,b),e=sqrt(d*d+c*c);cout<<fixed<<setprecision(1)<<e;
}

116.重组最大数

int main() {int x,a,b,c;cin>>x;a=x/100,b=(x/10)%10,c=x%10;for(x=0;x<2;x++){if(b>a)swap(a,b);if(c>b)swap(b,c);} cout<<a<<b<<c;
}

117.求三角形面积

int main() {double a,b,c,p,s;cin>>a>>b>>c;if(a+b>c&&a+c>b&&b+c>a) {p=(a+b+c)/2,s=sqrt(p*(p-a)*(p-b)*(p-c)),cout<<fixed<<setprecision(2)<<s;}else cout<<"Can't";
}

118.计算邮件收费

int main() {double kg,sum=0;cin>>kg;if(kg>1) sum=1.5+(kg-1)*0.8;else sum=1.5*kg;cout<<fixed<<setprecision(2)<<sum;
}

119.称号

int main() {int n;cin>>n;if(n>=0 && n<3)n=2;switch(n){case 2: cout<<"You are a Foolish Man."; break;case 3: cout<<"You are on a Killing Spree."; break;case 4: cout<<"You are Dominating."; break;case 5: cout<<"You have a Mega-Kill."; break;case 6: cout<<"You are Unstoppable."; break;case 7: cout<<"You are Wicked Sick."; break;case 8: cout<<"You have Monster Kill."; break;case 9: cout<<"You are Godlike."; break;default: cout<<"You are Beyond Godlike (Somebody kill him!).";}
}

120.有一门课不及格的学生

int main(){int a,b;cin>>a>>b;cout<<int(a<60&&b>=60||a>=60&&b<60);
}

121.计算火柴棒个数

int main() {int x;cin>>x;switch(x){case 0: cout<<"6"; break;case 1: cout<<"2"; break;case 2: cout<<"5"; break;case 3: cout<<"5"; break;case 4: cout<<"4"; break;case 5: cout<<"5"; break;case 6: cout<<"6"; break;case 7: cout<<"3"; break;case 8: cout<<"7"; break;default:cout<<"6";}
}

122.最大数输出

int main(){int a,b,c,d;cin>>a>>b>>c;d=max(a,b);d=max(d,c);cout<<d;
}

123.点和正方形的关系

int main(){int x,y;cin>>x>>y;if(x<=1 && x>=-1 && y<=1 && y>=-1)cout<<"yes";else cout<<"no";
}

124.三角形判断

int main(){int a,b,c,d;cin>>a>>b>>c;if(a+b>c && a+c>b && b+c>a)cout<<"yes";else cout<<"no";
}

125.识别三角形

int main(){int a,b,c,d;cin>>a>>b>>c;if(a+b<=c || a+c<=b || b+c<=a)cout<<"NO";else if(a==b && b==c)cout<<"Equilateral";else if(a==b&&a!=c || a==c&&a!=b || b==c&&c!=a)cout<<"Isosceles";else if(pow(a,2)+pow(b,2)==pow(c,2) || pow(a,2)+pow(c,2)==pow(b,2) || pow(b,2)+pow(c,2)==pow(a,2))cout<<"Right";else cout<<"General";
}

126.骑车与走路

int main(){double a,b,c;cin>>a;b=a/3.0+27+30;c=a/1.2;if(b>c)cout<<"Walk";else cout<<"Bike";
}

127.分段函数

int main(){double x,y;cin>>x;if(x<5 && x>=0)y=-x+2.5;else if(x>=5 && x<10)y=2-1.5*(x-3)*(x-3);else y=x/2-1.5;cout<<fixed<<setprecision(3)<<y;
}

128.简单算术表达式求值

int main(){long long a,b;char c;cin>>a>>c>>b;if(c=='+')cout<<a+b;if(c=='-')cout<<a-b;if(c=='*')cout<<a*b;if(c=='/')cout<<a/b;if(c=='%')cout<<a%b;
}

129.计算器（简易版）

int main()
{long long a,b;char c;cin>>a>>b;cin>>c;if(c=='/' && b==0)cout<<"Error!";else{if(c=='+')cout<<a+b;if(c=='-')cout<<a-b;if(c=='*')cout<<a*b;if(c=='/')cout<<a/b;}
}

130.贪吃的代价

int main() {int n,a,b,a1=0,b1=0;cin>>n>>a>>b;if(n/min(a,b)==n/max(a,b)){if(max(a,b)==a)a1=n/a;else b1=n/a;cout<<a1<<" "<<b1,exit(0);}else if(min(a,b)==a)a1=n/a;else b1=n/b;while(1) {if(n-(a1*a+b1*b)>=abs(a-b)){if(min(a,b)==a && a1>0)a1--,b1++;else if(min(a,b)==b && b1>0)b1--,a1++;} else cout<<a1<<" "<<b1,exit(0);}
}

131.求一元二次方程的根

int main(){double a,b,c,x,y;scanf("%lf%lf%lf",&a,&b,&c);x=(-b+sqrt(b*b-4*a*c))/(2*a);y=(-b-sqrt(b*b-4*a*c))/(2*a);cout<<fixed<<setprecision(5);if(x==y)printf("x1=x2=%.5lf",x);else if(x>y)printf("x1=%.5lf;x2=%.5lf",x,y);else if(b==0)cout<<"x1="<<b/(2*a)<<'+'<<sqrt(4*a*c-b*b)/(2*a),cout<<"i;x2="<<b/(2*a)<<"-"<<sqrt(4*a*c-b*b)/(2*a)<<"i"<<endl;else cout<<"x1="<<-b/(2*a)<<'+'<<sqrt(4*a*c-b*b)/(2*a),cout<<"i;x2="<<-b/(2*a)<<"-"<<sqrt(4*a*c-b*b)/(2*a)<<"i"<<endl;return 0;
}

132.基本运算1

int main(){int a;cin>>a;cout<<a-2<<endl;
}

133.基本运算2

int main(){int a;cin>>a;cout<<a*(2+3)<<endl;
}

134.基本运算3

int main(){int a,n;cin>>a>>n;cout<<a%(n%=2)<<endl;
}

135.基本运算4

int main(){int a;cin>>a;a+=a-=a*=a;cout<<a<<endl;
}

136.老狼老狼几点了？

int main(){for(int i=1;i<=12;i++)cout<<"What time is it, old wolf? "<<i<<" o'clock."<<endl;
}

137.叮叮当当

int main(){int a,b;cin>>a>>b;for(int i=a;i<=b;i++){if(i%2==0&&i%3==0)cout<<i<<": ding ding,dang dang"<<endl;else{if(i%2==0)cout<<i<<": ding ding"<<endl;if(i%3==0)cout<<i<<": dang dang"<<endl;}}
}

138.计算运动消耗量

int main() {int a,b,c;cin>>c;for(int i=0;i<c;i++)cin>>a,b+=a;cout<<b;
}

139.ZZQ的难题

int main() {long long n;cin>>n;n=pow(2,n);cout<<n;
}

140.1到n的累加和

int main() {int n,a;cin>>n;for(int i=1;i<=n;i++)a+=i;cout<<a;
}

141.求阶乘n!

int main() {long long n,a=1;cin>>n;for(int i=1;i<=n;i++)a*=i;if(n==0)a=1;cout<<a;
}

142.小明存钱

int main() {int a,b,c;cin>>c;for(int i=0; i<c; i++) {cin>>a;	b+=a;} cout<<b;
}

143.求平均年龄

int main() {int a,c;double b;cin>>c;for(int i=0; i<c; i++) {cin>>a;	b+=a;} cout<<fixed<<setprecision(2)<<b/c;
}

144.财务管理

int main(){double a,b;for(int i=0;i<12;i++){cin>>a;	b+=a;} cout<<fixed<<setprecision(2)<<"$"<<b/12;
}

145.均值

int main() {int c;double a,b;cin>>c;for(int i=0;i<c;i++) {cin>>a;	b+=a;} cout<<fixed<<setprecision(4)<<b/c;
}

146.求整数的和与均值

int main() {int a,c;double b;cin>>c;for(int i=0;i<c;i++) {cin>>a;	b+=a;} cout<<b<<" "<<fixed<<setprecision(5)<<b/c;
}

147.温度转换

int main() {double a,b;cin>>a>>b;if(a<b) {for(int i=a;i<=b;i+=2){cout<<i<<" "<<fixed<<setprecision(1)<<9*i/5.0+32<<endl;}} else {for(int i=b; i<=a; i=i+2) {cout<<i<<" "<<fixed<<setprecision(1)<<9*i/5.0+32<<endl;}}
}

148.最高的分数

int main() {int a,b,c;cin>>c;for(int i=0;i<c;i++){cin>>a;	b=max(a,b);} cout<<b;
}

149.求最大值和最小值

int main() {int a,b,c,d;cin>>c;for(int i=0;i<c;i++){cin>>a;b=max(a,b);d=min(a,d);} cout<<b<<" "<<d;
}

150.整数序列的元素最大跨度值

int main() {int a,b,c,d=100000000;cin>>c;for(int i=0;i<c;i++){cin>>a;b=max(a,b);d=min(a,d);} cout<<b-d;
}

151.多边形内角和

int main() {int a,b,c;cin>>c;for(int i=1;i<c;i++) {cin>>a;	b+=a;} cout<<(c-2)*180-b;
}

152.奇数求和

int main() {int a,b,c=0;cin>>a>>b;for(int i=a;i<=b;i++) {if(i%2==1)c+=i;} cout<<c;
}

153.满足条件的数累加

int main() {int a,b,c=0;cin>>a>>b;for(int i=a;i<=b;i++) {if(i%17==0)c+=i;} cout<<c;
}

154.统计数字

int main() {char x;int a,b,c=0;cin>>x>>a>>x>>b>>x;for(int i=a;i<=b;i++) {if(i%10==6&&i%3==0)c++;} cout<<c;
}

155.整数的个数

int main() {int a,b,c,s1=0,s5=0,s10=0;cin>>c;for(int i=0;i<c;i++) {cin>>a;if(a==1)s1++;if(a==5)s5++;if(a==10)s10++;} cout<<s1<<endl<<s5<<endl<<s10;
}

156.与指定数字相同的数的个数

int main() {int n,m,a,m1=0;cin>>n>>m;for(int i=0;i<n;i++) {cin>>a;if(a==m)m1++;} cout<<m1;
}

157.乘方计算

int main() {int a,n;long long b=1;cin>>a>>n;for(int i=0;i<n;i++)b*=a;cout<<b;
}

158.完全平方数

int main() {int x,y,n;for(n=-100; n<10000; n++) {x=int(sqrt(100+n));y=int(sqrt(100+168+n));if(100+n==x*x && 100+168+n==y*y)cout<<n<<endl;}
}

159.计算组合数

int main() {long double a=1,b=1,c=1,d,n,m;cin>>n>>m;for(int i=n;i>n-m;i--)a*=i;for(int i=1;i<=m;i++)b*=i;cout<<fixed<<setprecision(0)<<a/b;
}

160.求西格玛 ( Σ ) (Sigma) (Σ) 累加和

int main(){double a=0;for(int i=1;i<=100;++i)a+=i;for(int i=1;i<=50;++i)a+=i*i;for(int i=1;i<=10;++i)a+=1.0/i;printf("%.4lf",a);
}

161.奥运奖牌计数

int main() {int a,b,c,d,a1=0,b1=0,c1=0;cin>>d;for(int i=0;i<d;i++) {cin>>a>>b>>c;a1+=a;	b1+=b;	c1+=c;} cout<<a1<<" "<<b1<<" "<<c1<<" "<<a1+b1+c1;
}

162.地狱飞龙

int main() {long long x,y;	char a;cin>>x>>a>>y;for(int i=0;i<x;i++) y*=2;cout<<y;
}

163.人口增长问题

int main(){int x,n;double c;cin>>x>>n;c=x;for(int i=0;i<n;i++)c*=1.001;cout<<fixed<<setprecision(4)<<c;
}

164.银行利息

int main() {double R,M,Y,yuan;int a;cin>>R>>M>>Y;yuan=M;for(int i=0;i<Y;i++) {yuan+=yuan*(R/100);} cout<<int(yuan);
}

165.菲波那契数列

int main() {int a,b,c,k;cin>>k;a=1;	b=1;for(int i=0; i<k-2; i++) {c=a+b;	a=b;	b=c;} cout<<c;
}

166.鸡尾酒疗法

int main(){int n,a,b;double s1,sn;cin>>n;cin>>a>>b;s1=b/(a*1.00);for(int i=1;i<n;i++){cin>>a>>b;sn=b/(a*1.00);if ((sn-0.05)>s1)cout<<"better"<<endl;else if ((s1-0.05)>sn)cout<<"worse"<<endl;else cout<<"same"<<endl;} return 0;
}

167.救援

int main(){double t=0,x,y;int a,r;cin>>a;for(int i=0;i<a;i++){cin>>x>>y>>r;t+=sqrt(y*y+x*x)/50.0*2;for(int i=0;i<r;i++)t+=1+0.5;} cout<<ceil(t);
}

168.买房子

int main(){double n,k,m,f=200;cin>>n>>k;m=n;for(int i=1;i<=20;i++){f*=k/100+1;m+=n;if(m>f)cout<<i+1,exit(0);} cout<<"Impossible";
}

169.球弹跳高度的计算

int main() {double a,b,m;cin>>m;b=m;for(int i=0; i<10; i++) {a+=b*2;	b=b/2;} a-=m;cout<<fixed<<setprecision(6)<<a<<endl<<b;
}

170.津津的储蓄计划

int main() {int c,s=0,h=0;for(int i=1;i<=12;i++){cin>>c;s-=c-300;if(s<0){cout<<-1*i;return 0;} else h+=s/100;s%=100;} cout<<120*h+s;
}

171.药房管理

int main() {int n,m,s,sum=0;cin>>m>>n;for(int i=1;i<=n;i++){cin>>s;if(s>m)sum++;else m-=s;} cout<<sum;
}

172.正常血压

int main() {int n,g,d,sum=0,maxn=0;cin>>n;for(int i=0;i<n;i++){cin>>g>>d;if(g<=140&&g>=90&&d>=60&&d<=90)sum++;else sum=0;maxn=max(maxn,sum);}cout<<maxn;
}

173.求特殊自然数

int main(){   cout<<248<<endl<<503<<endl<<305;
}

174.统计满足条件的4位数个数

int main() {int a,b,c;cin>>a;for(int i=0;i<a;i++) {cin>>b;if(b%10-b/1000-b/100%10-b/10%10>0)c++;} cout<<c;
}

175.分类求和

int main() {int x=0,a=0,b=0,c=0,d=0;while(cin>>x){if(x>0){a++;c+=x;} if(x<0){b++;d+=x;}} cout<<a<<" "<<b<<" "<<c<<" "<<d;
}

176.分离整数的各个数位

char a[10];
int i=0;
int main() {(a,9);while(a[i]!='')i++;i--;for(;i>=0;i--)cout<<a[i]<<" ";
}

177.数字之和

char a[12];
int main() {int (a,11);for(int i=0;a[i]!='';i++)if(a[i]>'0'&&a[i]<='9')sum+=a[i]-'0';cout<<sum;
}

178.数字反转

int n=0,s=0;
int main(){for(cin>>n;n;n/=10)s*=10,s+=n%10;cout<<s;
}

179.含k个3的数

int main() {long long m,a,k,sum=0;cin>>m>>k;a=m;for(;a!=0;a/=10)if(a%10==3)sum++;if(m%19==0&&sum==k)cout<<"YES";else cout<<"NO";
}

180.判断回文数

int n[10];
int main() {int a,sum;bool x=1;cin>>a;for(int i=0;a!=0;a/=10,i++)n[i]=a%10;for(int i=0;n[i]!='';i++,sum++);for(int i=0;i<sum/2;i++)if(n[i]!=n[sum-i-1])x=0;if(x&&sum>1)cout<<"yes";else cout<<"no";
}

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