Compilare: user.cpp: In function ‘void solve()’: user.cpp:72:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<candidati.size();i++) ^ user.cpp:78:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<query.size();j++) ^ user.cpp: In function ‘void write()’: user.cpp:91:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<query.size();i++) printf("%d\n",query[i].raspuns); ^ user.cpp: In function ‘void read()’: user.cpp:54:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&q); ^ user.cpp:58:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&x,&y,&c); ^ user.cpp:64:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^