Compilare: main.cpp: In function 'void dfs1(int, int)': main.cpp:26:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<w[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int cuplez(int, int, int)': main.cpp:58:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<w[y].size();i++){ ~^~~~~~~~~~~~ main.cpp:69:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<w[y].size();i++){ ~^~~~~~~~~~~~ main.cpp: In function 'int cuplaj(int, int)': main.cpp:87:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[x].size();i++){ ~^~~~~~~~~~~~ main.cpp:95:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<w[y].size();i++){ ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:152:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cuplaj(l1[i] , l2[j]) == w[l2[j]].size()-1){ /// DOAR nodurile care sunt fii astora ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:108:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&t); ^ main.cpp:112:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&n); ^ main.cpp:117:38: 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:123:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&m); ^ main.cpp:127:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&x,&y); ^