Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
83323 石晋骁 外围元素之和 C++ Compile Error 0 MS 0 KB 427 2024-07-14 14:11:43

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[20][20]; int main(){ int n,m,sum = 0; cin >> m >> n; for(int i = 0;i < m;i++){ for(int j = 0;j < n;j++){ cin >> a[i][j]; } } for(int i = 0;i < m;i++){ for(int j = 0;j < n;j++){ if(i == 0 || i = n-1){ sum = sum+a[i][j]; }else { if(j == 0 || j == m-1){ sum = sum +a[i][j]; } } } } cout << sum; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:14:19: error: lvalue required as left operand of assignment
    if(i == 0 || i = n-1){
                   ^