Compilare: user.cpp: In function ‘int main()’: user.cpp:79:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<fS.size();i++){ ^ user.cpp:86:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long j=0;j<Hash[dest].size();j++){ ^ user.cpp:101:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long j=0;j<Hash[dest].size();j++) ^ user.cpp:66:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("procesor.in","r",stdin); ^ user.cpp:67:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("procesor.out","w",stdout); ^ user.cpp:69:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:71:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld %ld",&x,&y); x--; ^