Compilare: main.cpp: In function 'void Do()': main.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( inv < K ) ~~~~^~~ main.cpp:34:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( inv != K ) {v[ N - nr + 1] = inv - K; I[inv-K].push_back(N-nr+1); } ~~~~^~~~ main.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 1; i <= N - nr; ++i ) ~~^~~~~~~~~ main.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = N - 1; i > N - nr + 1; --i ) ~~^~~~~~~~~~~~ main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 1; i <= N; ++i ) fout << v[i] << ' '; ~~^~~~