oj.uz

답안 #82160

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
82160 2018-10-29T10:22:55 Z Just_Solve_The_Problem 아름다운 순열 (IZhO12_beauty) C++11
0 / 100
 1036 ms 692 KB 
#include <stdio.h>
#include <algorithm>

using namespace std;

#define ll long long

int a[22];
int n;

int get(int x) {
	int res = 0;
	while (x) {
		res += (x % 3 == 1);
		x /= 3;
	}
	return res;
}

main() {
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) {
		scanf("%d", &a[i]);
	}
	sort(a + 1, a + n + 1);
	int ans = 0;
	do {
		int ok = 1;
		for (int i = 1; i < n; i++) {
			ok &= (__builtin_popcount(a[i]) == __builtin_popcount(a[i + 1]) || get(a[i]) == get(a[i + 1]));
		}
		ans += ok;
	} while(next_permutation(a + 1, a + n + 1));
	printf("%d", ans);
}

Compilation message

beauty.cpp:20:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
beauty.cpp: In function 'int main()':
beauty.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
beauty.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 424 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 961 ms 500 KB Output is correct
7 Correct 1036 ms 540 KB Output is correct
8 Correct 203 ms 540 KB Output is correct
9 Incorrect 442 ms 692 KB Output isn't correct
10 Halted 0 ms 0 KB -