Compilare: main.cpp: In function 'int main()': main.cpp:26:11: warning: unused variable 'j' [-Wunused-variable] int i,j,a,b,c; ^ main.cpp: In function 'void dfs(int)': main.cpp:63:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'void djikstra(muchie)': main.cpp:90:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[a.x].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void djikstra2(muchie)': main.cpp:126:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<graf[a.x].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:114:12: warning: unused variable 'p' [-Wunused-variable] muchie p,a; ^