Compilare: user.cpp: In function ‘int main()’: user.cpp:11:9: warning: unused variable ‘log’ [-Wunused-variable] int N, log[16]; ^ user.cpp:9:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("submultimi.out", "w", stdout); ^ user.cpp:12:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &N); ^