运行 ID: 42539

Main.cc: In function ‘int main()’:
Main.cc:7:15: error: ‘n’ was not declared in this scope
     for(int i=n;i>=1;i--)
               ^
Main.cc:9:18: error: ‘m’ was not declared in this scope
         while(j<=m)
                  ^
Main.cc:11:16: error: ‘a’ was not declared in this scope
             if(a[i]*b[j]>=mid)
                ^
Main.cc:11:21: error: ‘b’ was not declared in this scope
             if(a[i]*b[j]>=mid)
                     ^
Main.cc:11:27: error: ‘mid’ was not declared in this scope
             if(a[i]*b[j]>=mid)
                           ^~~
Main.cc:11:27: note: suggested alternative: ‘main’
             if(a[i]*b[j]>=mid)
                           ^~~
                           main