Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
130928 任艺宸 矩阵对角线 C++ Compile Error 0 MS 0 KB 661 2025-09-20 12:16:38

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[101][101]={}; cin>>n>>m; for(int i=0;i<n;i++) for(int j=0;j<m;j++) cin>>a[i][j]; for(int i=0;i<n;i++){ a[i][i]+m; a[i][n-i-1]+=m; } if(n%2==1) a[n/2][n/2]-=m for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:16:16: warning: statement has no effect [-Wunused-value]
         a[i][i]+m;
                ^
Main.cc:21:5: error: expected ';' before 'for'
     for(int i=0;i