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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#320249#8212. Football in Osijekucup-team1303#WA 2ms13972kbC++201.7kb2024-02-03 14:51:212024-02-03 14:51:21

Judging History

你现在查看的是最新测评结果

  • [2024-02-03 14:51:21]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:13972kb
  • [2024-02-03 14:51:21]
  • 提交

answer

// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "[" << __LINE__ << "] "
#define SZ(x) (int) x.size() - 1
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> inline void chkmax(T& x, T y) {x = max(x, y);}
template <typename T> inline void chkmin(T& x, T y) {x = min(x, y);}
template <typename T> inline void read(T &x) {
	x = 0; int f = 1; char c = getchar();
	for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
	for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
	x *= f;
}
const int N = 5e5 + 10;
int n, a[N], fa[N], sz[N];
int find(int x) {return x == fa[x] ? x : fa[x] = find(fa[x]);}
vector <int> t;
int rk[N], len[N];
int ans[N], g[N];
signed main() {
	ms(ans, -1);
	read(n);
	F(i, 1, n) {
		fa[i] = i;
		// sz[i] = 1;
	}
	F(i, 1, n) {
		read(a[i]);
		// int t = a[i];
		// while ()
		fa[find(i)] = find(a[i]);
	}
	F(i, 1, n) sz[find(i)]++;
	F(i, 1, n)
		if (find(i) == i) {
			t.push_back(sz[i]);
			int cur = i, tot = 0;
			// vector <int> h;
			while (!rk[cur]) {
				// h.push_back(cur);
				rk[cur] = ++tot;
				cur = a[cur];
			}
			len[i] = tot - rk[cur] + 1;
		}
	sort(all(t), greater <int> ());
	int s = 0, w = 0;
	F(i, 1, t.front()) ans[i] = 1;
	for (int i: t) {
		if (w) {
			F(j, s + 1, s + i) ans[j] = w;
		}
		w++;
		s += i;
	}
	F(i, 1, n)
		if (find(i) == i) {
			F(j, len[i], sz[i]) ans[j] = 0;
		}
	F(i, 1, n) cout << ans[i] << ' ';
	return 0;
}
/* why?
*/

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 13972kb

input:

5
2 3 1 3 5

output:

0 1 0 0 1 

result:

ok 5 number(s): "0 1 0 0 1"

Test #2:

score: 0
Accepted
time: 0ms
memory: 13960kb

input:

1
1

output:

0 

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 2ms
memory: 13840kb

input:

2
2 2

output:

0 0 

result:

ok 2 number(s): "0 0"

Test #4:

score: -100
Wrong Answer
time: 0ms
memory: 13836kb

input:

10
4 7 2 8 4 3 4 9 7 3

output:

1 1 1 0 0 0 0 0 0 0 

result:

wrong answer 8th numbers differ - expected: '1', found: '0'