Compilare: user.cpp: In function ‘int main()’: user.cpp:114:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("randomizare.in", "r", stdin); ^ user.cpp:115:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("randomizare.out", "w", stdout); ^ user.cpp:117:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:120:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp:123:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p[i]); ^ user.cpp: In function ‘void SolveCycle(int)’: user.cpp:78:31: warning: ‘answer’ may be used uninitialized in this function [-Wmaybe-uninitialized] remainder[factors[i]] = x % factors[i]; ^ user.cpp:95:22: note: ‘answer’ was declared here int bestPos = INF, answer, start, size = Factorize(length, factors); ^