Compilare: main.cpp: In function 'int main()': main.cpp:80:27: warning: integer overflow in expression [-Woverflow] divide(0, (1 << 31) - 1); ~~~~~~~~~~^~~ main.cpp:57:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aliniate.in", "r", stdin); ^ main.cpp:58:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aliniate.out", "w", stdout); ^