답안 #125748

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125748 2019-07-06T10:01:27 Z AngusRitossa 우주 해적 (JOI14_space_pirate) C++14
10 / 100
2000 ms 91528 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
	#define D(x...) printf(x)
#else
	#define D(x...)
#endif
typedef long long ll;
int n, a[3010], ans[3010];
int canreach[3010][3010], at[3010][3010];
int from[3010][3030], fromsz[3010];
void dfs(int i, int j, int dis = 1)
{
	if (canreach[i][j]) return;
	canreach[i][j] = dis;
	from[i][fromsz[i]++] = j;
	dfs(i, a[j], dis+1);
}
ll k;
int main()
{
	scanf("%d%lld", &n, &k);
	for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
	for (int i = 1; i <= n; i++) dfs(i, i);
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= n; j++)
		{
			if (canreach[1][i])
			{
				if (i == j) ans[i]++;
				else if (canreach[j][i])
				{
					ll dis = k-canreach[1][i]+1;
					dis %= canreach[j][i];
					int endpoint = i;
					if (dis > 0) endpoint = from[j][dis-1];
					ans[endpoint]++;
				}
				else at[j][canreach[1][i]]++;
			}
			else at[1][0]++;
		}
	}
	
	for (int i = 1; i <= n; i++)
	{
		int cyclestart = a[from[i][fromsz[i]-1]];
		int loc = -1;
		for (int j = 0; j < fromsz[i]; j++)
		{
			if (from[i][j] == cyclestart) loc = j;
		}
		assert(loc != -1);
		int sz = fromsz[i]-loc;
		ll dis2 = k-loc;
		int dis = dis2%sz;
		for (int j = 0; j <= n; j++)
		{
			int d = dis-(ll)j;
			d += n*sz;
			d %= sz;
			ans[from[i][d+loc]] += at[i][j];
		}
	}

	for (int i = 1; i <= n; i++) printf("%d\n", ans[i]);
}

Compilation message

space_pirate.cpp: In function 'int main()':
space_pirate.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%lld", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~
space_pirate.cpp:23:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
                               ~~~~~^~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1656 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 3 ms 1528 KB Output is correct
4 Correct 4 ms 1656 KB Output is correct
5 Correct 3 ms 1656 KB Output is correct
6 Correct 3 ms 1528 KB Output is correct
7 Correct 3 ms 1656 KB Output is correct
8 Correct 3 ms 1656 KB Output is correct
9 Correct 3 ms 1656 KB Output is correct
10 Correct 3 ms 1656 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1656 KB Output is correct
14 Correct 3 ms 1656 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1656 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 3 ms 1528 KB Output is correct
4 Correct 4 ms 1656 KB Output is correct
5 Correct 3 ms 1656 KB Output is correct
6 Correct 3 ms 1528 KB Output is correct
7 Correct 3 ms 1656 KB Output is correct
8 Correct 3 ms 1656 KB Output is correct
9 Correct 3 ms 1656 KB Output is correct
10 Correct 3 ms 1656 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1656 KB Output is correct
14 Correct 3 ms 1656 KB Output is correct
15 Correct 163 ms 61020 KB Output is correct
16 Correct 138 ms 55200 KB Output is correct
17 Correct 200 ms 61124 KB Output is correct
18 Correct 1786 ms 85624 KB Output is correct
19 Correct 790 ms 85160 KB Output is correct
20 Correct 961 ms 79224 KB Output is correct
21 Correct 1246 ms 91528 KB Output is correct
22 Correct 561 ms 81016 KB Output is correct
23 Correct 1276 ms 90488 KB Output is correct
24 Correct 473 ms 81296 KB Output is correct
25 Correct 133 ms 54780 KB Output is correct
26 Execution timed out 2045 ms 71284 KB Time limit exceeded
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3 ms 376 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1656 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 3 ms 1528 KB Output is correct
4 Correct 4 ms 1656 KB Output is correct
5 Correct 3 ms 1656 KB Output is correct
6 Correct 3 ms 1528 KB Output is correct
7 Correct 3 ms 1656 KB Output is correct
8 Correct 3 ms 1656 KB Output is correct
9 Correct 3 ms 1656 KB Output is correct
10 Correct 3 ms 1656 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1656 KB Output is correct
14 Correct 3 ms 1656 KB Output is correct
15 Correct 163 ms 61020 KB Output is correct
16 Correct 138 ms 55200 KB Output is correct
17 Correct 200 ms 61124 KB Output is correct
18 Correct 1786 ms 85624 KB Output is correct
19 Correct 790 ms 85160 KB Output is correct
20 Correct 961 ms 79224 KB Output is correct
21 Correct 1246 ms 91528 KB Output is correct
22 Correct 561 ms 81016 KB Output is correct
23 Correct 1276 ms 90488 KB Output is correct
24 Correct 473 ms 81296 KB Output is correct
25 Correct 133 ms 54780 KB Output is correct
26 Execution timed out 2045 ms 71284 KB Time limit exceeded
27 Halted 0 ms 0 KB -