Compilare: user.cpp: In function ‘bool cauta(int)’: user.cpp:14:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ;i < h[x%modulo].size() ;i ++) ^ user.cpp: In function ‘bool verifica(int)’: user.cpp:39:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ;i < h[x%modulo].size() ;i ++) { ^ user.cpp: In function ‘int main()’: user.cpp:50:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:54:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&t,&x); ^