Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:35:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<graf2[cueTop].size();i++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsPlus(int)': main.cpp:58:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<graf[cue.front()].size();i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsMinus(int)': main.cpp:80:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<graf[cue.front()].size();i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<graf2.size();i++) ~^~~~~~~~~~~~~ main.cpp:124:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0;j<graf2[i].size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:126:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0;k<graf[graf2[i][j].first].size();k++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:132:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0;j<graf2.size();j++) ~^~~~~~~~~~~~~