Compilare: user.cpp: In function ‘int genhash1(char*)’: user.cpp:56:28: warning: statement has no effect [-Wunused-value] nr = nr*P + s[i] ; ^ user.cpp: In function ‘int genhash2(char*)’: user.cpp:70:28: warning: statement has no effect [-Wunused-value] nr = nr*P + s[i] ; ^ user.cpp: In function ‘int main()’: user.cpp:84:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("brazi.in","r",stdin); ^ user.cpp:85:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("brazi.out","w",stdout); ^ user.cpp:88:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^ user.cpp:92:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:102:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&type); ^ user.cpp:115:28: warning: ‘lasttat’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(tat[ lasttat ]) ^