Main.cc: In function 'int main()':
Main.cc:4:11: error: 'n' was not declared in this scope
int a[n][m],b[m][n];
^
Main.cc:4:14: error: 'm' was not declared in this scope
int a[n][m],b[m][n];
^
Main.cc:7:18: error: 'a' was not declared in this scope
cin>>a[i][j];
^
Main.cc:12:13: error: 'b' was not declared in this scope
b[i][j]=a[j][i];
^
Main.cc:12:21: error: 'a' was not declared in this scope
b[i][j]=a[j][i];
^
Main.cc:17:19: error: 'b' was not declared in this scope
cout<