Compilare: main.cpp: In function 'int main()': main.cpp:13:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.in", "r", stdin); ^ main.cpp:14:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.out", "w", stdout); ^ main.cpp:17:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%llu %llu", &n, &x); ^ main.cpp:19:9: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] int i; ^