#include <iostream> using namespace std; int main() { int n, sum=0; cin >> n; for (int i = 1; i <= n; i++) { int a; cin >> a; sum += a; } cout << sum; return 0; }

测试数据结果是43

#include<bits/stdc++.h> using namespace std; int main(){ int n,x,sum=0; cin>>n; for(int i=1;i<=n;i=i+1){ cin>>x; sum=sum+x; } cout<<sum; }

#include<iostream> using namespace std; int main(){ int n, sum = 0; cin >> n; for(int i = 1; i <= n; i++){ int num; cin >> num; sum += num; } cout << sum; return 0; }