Compilare: user.cpp: In function ‘void solve()’: user.cpp:80:23: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n",time); ^ user.cpp:40:8: warning: unused variable ‘a_can_kill’ [-Wunused-variable] ll a_can_kill = 0; ^~~~~~~~~~ user.cpp:41:8: warning: unused variable ‘b_can_kill’ [-Wunused-variable] ll b_can_kill = 0; ^~~~~~~~~~ user.cpp: In function ‘void cit(long long int&)’: user.cpp:23:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,sizeof(char),DIM,stdin); ^ user.cpp:30:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,sizeof(char),DIM,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:83:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mobs.in","r",stdin); ^ user.cpp:84:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mobs.out","w",stdout); ^