Compilare: user.cpp: In function ‘void BK(std::vector<short int>)’: user.cpp:48:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vp.size(); ++i) prod *= vp[i]; ^ user.cpp:54:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vp.size(); ++i) ^ user.cpp:55:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < vp.size(); ++j) ^ user.cpp: In function ‘int main()’: user.cpp:23:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere6.in", "r", stdin); ^ user.cpp:24:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere6.out", "w", stdout); ^ user.cpp:25:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i%i", &A, &B); ^ user.cpp: In function ‘int LPow(int, int)’: user.cpp:98:1: warning: control reaches end of non-void function [-Wreturn-type] }; ^