Compilare: user.cpp:57:15: warning: integer constant is so large that it is unsigned [enabled by default] for(i=18446744073709551615;step;step>>=1) ^ user.cpp: In function ‘bool check(long long unsigned int, long long unsigned int, long long unsigned int)’: user.cpp:14:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(cap>cant || (cap == cant && lvl != n)) ^ user.cpp:14:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(cap>cant || (cap == cant && lvl != n)) ^ user.cpp: In function ‘int main()’: user.cpp:32:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pic.in","r",stdin); ^ user.cpp:33:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pic.out","w",stdout); ^ user.cpp:35:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu",&op); ^ user.cpp:36:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu",&n); ^ user.cpp:44:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu",&v[i]),csum+=v[i]; ^ user.cpp:54:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu",&nou[i][j]); ^