Compilare: user.cpp: In function ‘int main()’: user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("g2.in","r",stdin); ^ user.cpp:10:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("g2.out","w",stdout); ^ user.cpp:11:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:23:16: warning: array subscript is above array bounds [-Warray-bounds] v[7]++, N /= 7; ^ user.cpp:23:16: warning: array subscript is above array bounds [-Warray-bounds] user.cpp:44:36: warning: array subscript is above array bounds [-Warray-bounds] for(i = 1; i <= v[7]; i++) ^ user.cpp:62:36: warning: array subscript is above array bounds [-Warray-bounds] for(i = 1; i <= v[7]; i++) ^