Compilare: main.cpp: In function 'int bfs(int, int, int)': main.cpp:26:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < nod[coord].size(); i++ ) { ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( j < nod[i].size() && noduri[nod[i][j]] == i * BUFFER ) j++; // cautam nod care nu apartine M1 ~~^~~~~~~~~~~~~~~ main.cpp:64:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] collision = j < nod[i].size() ? bfs(nod[i][j], i * BUFFER + 1, i * BUFFER) : 0; ~~^~~~~~~~~~~~~~~ main.cpp:68:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( j = 0; j < nod[i].size(); j++ ) { ~~^~~~~~~~~~~~~~~ main.cpp:75:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( M1 + M2 < nod[i].size() ) // trebuie sa fie doar 2 multimi ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:43:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &m ); ^ main.cpp:45:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &x, &y ); ^