Compilare: main.cpp: In function 'bool exista_drum(int)': main.cpp:22:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<v[curent].size();j++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsinceput(int)': main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<v[x].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void dfssfarsit(int)': main.cpp:54:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[n].size();i++) ~^~~~~~~~~~~~ main.cpp:115:42: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if (cap[x][y]==flow[x][y]&&viz[x]==1&viz2[y]==1) ~~~~~~^~~ main.cpp:126:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol1.size();i++) ~^~~~~~~~~~~~