129145

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
129145	陈奕涵	矩阵对角线	C++	Compile Error	0 MS	0 KB	556	2025-08-22 13:51:38

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 i,j,n,m,a[101];j cin>>n>>m; for(i=0;i<n;i++){ for(j=0;j<n;j++){ cin>>a[i][j]; } } for(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(i=0;i<n;i++){ for(j=0;j<n;j++){ printf("%5d",a[i][j]); } } cout<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:2: error: expected ';' before 'cin'
  cin>>n>>m;
  ^
Main.cc:9:11: warning: statement has no effect [-Wunused-value]
  cin>>n>>m;
           ^
Main.cc:12:15: error: invalid types 'int[int]' for array subscript
    cin>>a[i][j];
               ^
Main.cc:16:9: error: invalid types 'int[int]' for array subscript
   a[i][i]+=m;
         ^
Main.cc:17:13: error: invalid types 'int[int]' for array subscript
   a[i][n-i-1]+=m;
             ^
Main.cc:20:22: error: invalid types 'int[int]' for array subscript
  if(n%2==1)a[n/2][n/2]-=m;
                      ^
Main.cc:23:23: error: invalid types 'int[int]' for array subscript
    printf("%5d",a[i][j]);
                       ^