Compilare: user.cpp: In function ‘int main()’: user.cpp:58:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<raspuns.size()-1; i++) fprintf(fout, "%d ", raspuns[i]); ^ user.cpp:17:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:20:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin , "%d%d", &x ,&y); ^