Compilare: user.cpp: In function ‘int main()’: user.cpp:18:25: warning: format ‘%c’ expects argument of type ‘char*’, but argument 2 has type ‘bool*’ [-Wformat=] while(scanf("%c", &x)!=EOF) ^ user.cpp: In function ‘void cerinta1()’: user.cpp:30:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v.size()-K; ++i) ^ user.cpp:33:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(v[i]==0 && i<v.size()-K) ^ user.cpp:35:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i; j<i+K && j<v.size(); ++j) ^ user.cpp: In function ‘int main()’: user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("blis.in", "rt", stdin); ^ user.cpp:16:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("blis.out", "wt", stdout); ^ user.cpp:17:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &K); ^