Compilare: user.cpp: In function ‘void putere(int)’: user.cpp:33:14: warning: statement has no effect [-Wunused-value] step << 1; ^ user.cpp: In function ‘int main()’: user.cpp:38:13: warning: unused variable ‘X’ [-Wunused-variable] int X, Y, i; ^ user.cpp:38:16: warning: unused variable ‘Y’ [-Wunused-variable] int X, Y, i; ^ user.cpp:39:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.in","r",stdin); ^ user.cpp:40:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.out","w",stdout); ^ user.cpp:41:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ user.cpp:45:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Val); ^ user.cpp:53:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &NR); ^ user.cpp:56:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &NR); ^ user.cpp: In function ‘int Search(int, int, int)’: user.cpp:122:1: warning: control reaches end of non-void function [-Wreturn-type] } ^