GDPU 1 C语言

GDPU 1 C语言

实验一：（一些简单的赋值和计算）

目录

1.

2.

3.

4.

5.

1.

#include<stdio.h>
int main()
{int a,b,c;scanf("%d %d",&a,&b);c=(a+b)*(a+b);printf("(%d+%d)*(%d+%d)=%d",a,b,a,b,c);return 0;}

2.

#include<stdio.h>
int main()
{int a,b,c;scanf("%d,%d",&a,&b);c=a*b;printf("%d*%d=%d",a,b,c);return 0;
}

3.

#include<stdio.h>
int main()
{int n,i,sum=0;scanf("%d",&n);for(i=1;i<=n;i++){sum=sum+i;}printf("%d",sum);return 0;
}

4.

#include <stdio.h>
int main()
{double r,area;printf("r=");scanf("%lf",&r);area=3.14*r*r;printf("r=%lfnarea=%lfn",r,area);return 0;
}

5.

#include<stdio.h>
int main()
{int a,b,c;scanf("%d %d",&a,&b);c=(a+b)*(a+b);printf("(%d+%d)*(%d+%d)=%d",a,b,a,b,c);return 0;}