Compilare: user.cpp: In function ‘int main()’: user.cpp:10:38: warning: unknown conversion type character ‘l’ in format [-Wformat=] scanf("%lld%llld%lld", &a, &n, &c); ^ user.cpp:10:38: warning: too many arguments for format [-Wformat-extra-args] user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("modulo.in", "r", stdin); ^ user.cpp:8:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("modulo.out", "w", stdout); ^ user.cpp:10:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%llld%lld", &a, &n, &c); ^