Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
151715 李折曦 大力水手吃蔬菜 C++ Compile Error 0 MS 0 KB 241 2026-04-18 13:39:58

Tests(0/0):

Code:

#include <bits/stdc++.h> using namespace std; int main (){ int n,a,b,min1; cin>>n; cin>>a>>b; sum1+=a*b; min1=b; for(int i=1;i<=n;i++){ cin>>a>>b; if(b<min1)min1=b; sum1+=a*min1; } cout<<sum1; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:2: error: 'sum1' was not declared in this scope
  sum1+=a*b;
  ^