2034 整数的个数
#include<bits/stdc++.h> #define f(i,s,e) for(int i = s; i <= e; i++) #define ll long long using namespace std; const int N = 1e3+10,inf = 0x3f3f3f3f; int main() { int n,sum1 = 0,sum5 = 0,sum10 = 0; cin >> n; for(int i = 1; i <= n; i++) //循环n次 { int x; cin >> x; //每次循环都输入一个数字x if(x == 1) sum1++; //1出现 if(x == 5) sum5++; //5出现 if(x == 10) sum10++; //10出现 } cout << sum1 << endl; cout << sum5 << endl; cout << sum10 << endl; return 0; }