Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:13:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0 ; j < v[i].size();j++){ ~~^~~~~~~~~~~~~ main.cpp:66:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nc].size();i++){ ~^~~~~~~~~~~~~ main.cpp:73:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == v[nc].size()){ /// sigur are vecin 1 ~~^~~~~~~~~~~~~~~ main.cpp:107:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nc].size();i++){ ~^~~~~~~~~~~~~ main.cpp:114:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == v[nc].size()){ /// sigur are vecin 1 ~~^~~~~~~~~~~~~~~ main.cpp:161:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nc].size();i++){ ~^~~~~~~~~~~~~ main.cpp:168:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == v[nc].size()){ /// ai trecut de ed ~~^~~~~~~~~~~~~~~ main.cpp:191:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0 ; j < v[nod].size() ; j++){ ~~^~~~~~~~~~~~~~~ main.cpp:218:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0 ; j < ve[nod].size() ; j++){ ~~^~~~~~~~~~~~~~~~ main.cpp:34:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&m); ^ main.cpp:36:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&val[i]); ^ main.cpp:41:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&x,&y); ^ main.cpp:32:21: warning: 'nc' may be used uninitialized in this function [-Wmaybe-uninitialized] int n , m , i , nc , vecin , maxi , mini , x , y , nr; ^~