Compilare: user.cpp: In function ‘int main()’: user.cpp:29:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; !verif && i < r[a%MD].size(); ++i) ^ user.cpp:15:74: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi, "%d %d %lld %lld %lld %lld %lld", &n, &m, &a, &b, &c, &d, &e); ^ user.cpp:27:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi, "%lld", &a); ^