Compilare: main.cpp: In function 'void Drum(int, int)': main.cpp:66:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int j = 1; j <= N; ++j ) ^~~ main.cpp:67:37: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cout << D[i][j] << ' '; cout << '\n'; ^~~~