Compilare: user.cpp: In function ‘int main()’: user.cpp:21:19: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100009]’ [-Wformat=] scanf("%s",&s); ^ user.cpp:34:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Q.size()>k+1) ~~~~~~~~^~~~ user.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Q.size()-1==k) ~~~~~~~~~~^~~ user.cpp:18:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("propozitie.in","r",stdin); ^ user.cpp:19:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("propozitie.out","w",stdout); ^ user.cpp:20:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^