Compilare: main.cpp: In function 'int cuplez(int)': main.cpp:23:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<ppar[nod].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp:33:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<ppar[nod].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:48:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d",&n,&m,&len); ^ main.cpp:51:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&a[i][j]); ^