Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
130372 陈骏睿 矩阵加法 C++ Compile Error 0 MS 0 KB 672 2025-09-13 12:04:54

Tests(0/0):


Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,m; int a[i][j]={0}; int b[i][j]={0}; int c[i][j]={0}; cin>>n; for(int i=0;i<n;i++) for(int j=0;j<n;j++) cin>>a[i][j]; for(int i=0;i<n;i++) for(int j=0;j<n;j++) cin>>b[i][j]; for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { cout<<" "<<a[i][j]+b[i][j]; } cout<<endl; } return 0; }


Run Info:

Main.cc: In function 'int main()':
Main.cc:9:10: error: 'i' was not declared in this scope
    int a[i][j]={0};
          ^
Main.cc:9:13: error: 'j' was not declared in this scope
    int a[i][j]={0};
             ^
Main.cc:15:13: error: 'a' was not declared in this scope
        cin>>a[i][j];
             ^
Main.cc:18:13: error: 'b' was not declared in this scope
        cin>>b[i][j];
             ^
Main.cc:23:24: error: 'a' was not declared in this scope
             cout<<" "<