Compilare: user.cpp: In function ‘void solveminim(int)’: user.cpp:15:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1,t=0,k=0;t<q[p].size();i++) { ^ user.cpp: In function ‘int main()’: user.cpp:44:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:42:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("otilia.in","r",stdin); ^ user.cpp:43:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("otilia.out","w",stdout); ^ user.cpp:46:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:48:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&k,&p); ^