답안 #19007

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
19007	2016-02-17T02:56:23 Z	kriii	동전 (kriii4_E)	C++14	5 / 100	15 ms	1404 KB

D

#include <stdio.h>

int N; int range[1<<16]; bool win[1<<16];

int main()
{
	scanf ("%d",&N);
	for (int i=1;i<(1<<N);i++){
		int r = i, x = i & (-i), l;
		while (r){
			l = r & (-r);
			r -= l;
		}
		range[i] = l * 2 - i;
	}

	for (int i=(1<<N)-2;i>=0;i--){
		int rem = (1<<N) - 1 - i;

		for (int j=rem;j;j=(j-1)&rem){
			if (range[j] & i) continue;
			if (!win[i+j]){win[i] = 1; break;}
		}
	}

	int ans = 0;
	for (int i=0;i<(1<<N);i++) if (!win[i]) ans++;
	printf ("%d\n",ans);

	return 0;
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1404 KB	Output is correct
2	Correct	0 ms	1404 KB	Output is correct
3	Correct	0 ms	1404 KB	Output is correct
4	Correct	0 ms	1404 KB	Output is correct
5	Correct	0 ms	1404 KB	Output is correct
6	Correct	0 ms	1404 KB	Output is correct
7	Correct	0 ms	1404 KB	Output is correct
8	Correct	0 ms	1404 KB	Output is correct
9	Correct	0 ms	1404 KB	Output is correct
10	Correct	0 ms	1404 KB	Output is correct
11	Correct	0 ms	1404 KB	Output is correct
12	Correct	0 ms	1404 KB	Output is correct
13	Correct	0 ms	1404 KB	Output is correct
14	Correct	5 ms	1404 KB	Output is correct
15	Correct	15 ms	1404 KB	Output is correct

Subtask #2

0.0 / 95.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	0 ms	1400 KB	SIGSEGV Segmentation fault
2	Halted	0 ms	0 KB	-