Compilare: user.cpp: In function ‘int main()’: user.cpp:16:33: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 4 has type ‘int*’ [-Wformat=] fscanf(fin, "%d%lld", &n, &m); ^ user.cpp:14:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("garaj.out", "w", stdout); ^ user.cpp:16:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%lld", &n, &m); ^ user.cpp:19:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &v[i].c, &v[i].t); ^