Compilare: main.cpp: In function 'void dfs(int)': main.cpp:78:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=vecini[x].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void beck(int)': main.cpp:92:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=vecini[x].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:23:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&numar); ^ main.cpp:24:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ main.cpp:30:67: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d %c %c %c %c",&x,&y,&v[1],&v[2],&v[3],&v[4]); ^ main.cpp:35:19: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations] if(v[j]=='A') ~~~^ main.cpp:33:22: note: within this loop for(int j=1;j<=4;j++) ~^~~