Submission #138479

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
138479	2019-07-30T05:14:10 Z	김세빈(#3318)	Who wants to live forever? (CERC12_B)	C++14	0 / 1	2 ms	376 KB

B

#include <bits/stdc++.h>

using namespace std;

bool simulate(string &S)
{
	if(!(S.size() & S.size() - 1)) return true;
	
	string T;
	int i, s, ret = 0;
	
	for(i=0; i<S.size(); i++){
		s = 0;
		if(i && S[i - 1] == '1') s ++;
		if(i + 1 < S.size() && S[i + 1] == '1') s ++;
		T.push_back("01"[s & 1]);
		if(s & 1) ret = 1;
	}
	
	swap(S, T);
	
	return ret;
}

bool tc(string S)
{
	int i;
	
	for(i=0; i<20; i++){
		if(!simulate(S)) return true;
	}
	
	return false;
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	string S;
	int t;
	
	cin >> t;
	
	for(; t--; ){
		cin >> S;
		cout << (tc(S)? "DIES" : "LIVES") << "\n";
	}
	
	return 0;
}

Compilation message

B.cpp: In function 'bool simulate(std::__cxx11::string&)':
B.cpp:7:27: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
  if(!(S.size() & S.size() - 1)) return true;
                  ~~~~~~~~~^~~
B.cpp:12:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0; i<S.size(); i++){
           ~^~~~~~~~~
B.cpp:15:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(i + 1 < S.size() && S[i + 1] == '1') s ++;
      ~~~~~~^~~~~~~~~~

Subtask #1

0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Incorrect	2 ms	376 KB	Output isn't correct
3	Halted	0 ms	0 KB	-