Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void getdown(int)': main.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void plsno(int, int)': main.cpp:72:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++) ~^~~~~~~~~~~~~~~~~~~ main.cpp:82:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++) ~^~~~~~~~~~~~~~~~~~~ main.cpp:110:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++) ~^~~~~~~~~~~~~~~~~~~