逛超市的灵感c++

逛超市的灵感c++

大家逛超市是否为找东西而烦恼！！！？？？

#include<bits/stdc++.h>
#include<windows.h>
using namespace std;
map <string, pair <int, int> > m; 
const int N = 1e6 + 10;
string f[N];
int len;
bool fx[N], fy[N];
int main(){while(1) {int a;cout << "1.查找" << endl << "2.存入" << endl << "3.所有物品" << endl;cin >> a;system ("cls");if (a == 1) {string st;cout << "请输入查找对象" << endl;cin >> st;pair <int, int> z = m[st];int xx = z.first;int yy = z.second;if (xx == 0 || yy == 0) cout << "不存在" << endl; else cout << xx << ' ' << yy << endl;system ("pause");system ("cls");}else if (a == 2) {string st;cout << "请输入存入对象的名称，以及它的坐标（x > 0, y > 0)" << endl;int x, y;cin >> st;cin >> x >> y;if (fx[x] && fy[y]) cout << "该位置已存在物品" << endl;else {m[st] = make_pair (x, y);f[++len] = st; fx[x] = true;fy[y] = true;cout << "已存入" << endl;}system ("pause");system ("cls");}else if (a == 3) {cout << "共" << len << "件物品：" << endl;for (int i = 1; i <= len; i++) cout << f[i] << ' ' << m[f[i]].first << ' ' << m[f[i]].second << endl;system ("pause");system ("cls");} }return 0;
}

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