运行 ID: 3205

Main.cc:3:11: error: ‘::main’ must return ‘int’
 void main()
           ^
Main.cc: In function ‘int main()’:
Main.cc:17:6: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d",&a[i][j]);
 ~~~~~^~~~~~~~~~~~~~~