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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#697019#2645. CollapseRikku_eq0 17ms14752kbC++143.3kb2024-11-01 09:48:332024-11-01 09:48:34

Judging History

你现在查看的是最新测评结果

  • [2024-11-01 09:48:34]
  • 评测
  • 测评结果:0
  • 用时:17ms
  • 内存:14752kb
  • [2024-11-01 09:48:33]
  • 提交

answer

#include "collapse.h"
#include <bits/stdc++.h>
#define vi vector<int>
#define N 100005
using namespace std;
typedef long long ll;

int n, m, Q, B, cnt;
map < pair<int,int>, int > mp;

int bid[N];
struct Ed {
	int u, v, l, r;
	bool operator< (const Ed &a) const { return v<a.v; }
};
vector <Ed> ex[N], vec[N];
struct Qry
{
	int tt, x, id;
	bool operator< (const Qry &a) const { return x<a.x; }
};
vector <Qry> qry[N];

int id[2][N], sz[2][N];

void add (Ed ed, int l, int r)
{
	if (bid[l]==bid[r]) {
		ex[bid[l]].push_back(ed);
		return;
	}
	ex[bid[l]].push_back(ed);
	ex[bid[r]].push_back(ed);
	for (int i=bid[l]+1; i<=bid[r]-1; i++) { vec[i].push_back(ed); }
}

int find (int x, int tg) { return (id[tg][x]==x ? x : (id[tg][x]=find(id[tg][x], tg))); }
void unite (int u, int v, int tg)
{
	int fau=find(u, tg), fav=find(v, tg);
	if (fau==fav) { return; }
	cnt++;
	if (sz[0][fau]<sz[0][fav]) { swap(fau, fav); }
	id[0][fav]=fau; sz[0][fau]+=sz[0][fav];
}

vi simulateCollapse (int nn, vi T, vi X, vi Y, vi W, vi P)
{
	n=nn; m=T.size(); Q=W.size();

	B=ceil(sqrt(m));
	for (int i=0; i<m; i++) { bid[i]=(i/B); }

	for (int t=0; t<m; t++) {
		if (X[t]>Y[t]) { swap(X[t], Y[t]); }
		if (T[t]==0) { mp[make_pair(X[t], Y[t])]=t; }
		if (T[t]==1) {
			int lst=mp[make_pair(X[t], Y[t])];
			add((Ed){ X[t], Y[t], lst, t-1 }, lst, t-1);
			mp[make_pair(X[t], Y[t])]=-1;
		}
	}
	for (int t=0; t<m; t++) {
		if (T[t]==0) {
			int lst=mp[make_pair(X[t], Y[t])];
			if (lst!=-1 && lst==t) {
				add((Ed){ X[t], Y[t], t, m-1 }, t, m-1);
			}
		}
	}
	for (int i=0; i<Q; i++) {
		qry[bid[W[i]]].push_back((Qry){ W[i], P[i], i });
	}

	vector <int> ans(Q);

	for (int t=0; t<=bid[m-1]; t++) {
		sort(qry[t].begin(), qry[t].end());
		sort(vec[t].begin(), vec[t].end());
		for (int i=0; i<n; i++) { id[0][i]=i; sz[0][i]=1; } cnt=0;

		for (int i=0, j=0; i<(int)qry[t].size(); i++) {
			Qry qq=qry[t][i];
			while (j<(int)vec[t].size() && vec[t][j].v<=qq.x) { unite(vec[t][j].u, vec[t][j].v, 0); j++; }
			int tmpcnt=cnt;
			for (int k=0; k<(int)ex[t].size(); k++) {
				Ed cur=ex[t][k];
				if (cur.l<=qq.tt && qq.tt<=cur.r && cur.v<=qq.x) {
					int u=find(cur.u, 0), v=find(cur.v, 0);
					if (u!=v) { id[1][u]=u; id[1][v]=v; }
				}
			}
			for (int k=0; k<(int)ex[t].size(); k++) {
				Ed cur=ex[t][k];
				if (cur.l<=qq.tt && qq.tt<=cur.r && cur.v<=qq.x) {
					int u=find(cur.u, 0), v=find(cur.v, 0);
					unite(u, v, 1);
				}
			}
			ans[qq.id]+=qq.x-cnt;
			cnt=tmpcnt;
		}
	}

	for (int t=0; t<=bid[m-1]; t++) {
		for (int i=0; i<n; i++) { id[0][i]=i; sz[0][i]=1; } cnt=0;

		for (int i=(int)qry[t].size()-1, j=(int)vec[t].size()-1; i>=0; i--) {
			Qry qq=qry[t][i];
			while (j>=0 && vec[t][j].u>qq.x) { unite(vec[t][j].u, vec[t][j].v, 0); j--; }
			int tmpcnt=cnt;
			for (int k=0; k<(int)ex[t].size(); k++) {
				Ed cur=ex[t][k];
				if (cur.l<=qq.tt && qq.tt<=cur.r && cur.u>qq.x) {
					int u=find(cur.u, 0), v=find(cur.v, 0);
					if (u!=v) { id[1][u]=u; id[1][v]=v; sz[1][u]=1; sz[1][v]=1; }
				}
			}
			for (int k=0; k<(int)ex[t].size(); k++) {
				Ed cur=ex[t][k];
				if (cur.l<=qq.tt && qq.tt<=cur.r && cur.u>qq.x) {
					int u=find(cur.u, 0), v=find(cur.v, 0);
					unite(u, v, 1);
				}
			}
			ans[qq.id]+=(n-qq.x)-cnt;
			cnt=tmpcnt;
		}
	}

	return ans;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 5
Accepted
time: 5ms
memory: 12536kb

input:

2 5000 5000
0 0 1
1 0 1
0 0 1
1 1 0
0 1 0
1 1 0
0 1 0
1 0 1
0 1 0
1 0 1
0 0 1
1 0 1
0 1 0
1 1 0
0 1 0
1 1 0
0 0 1
1 0 1
0 1 0
1 0 1
0 1 0
1 0 1
0 0 1
1 0 1
0 1 0
1 1 0
0 0 1
1 1 0
0 1 0
1 1 0
0 1 0
1 1 0
0 1 0
1 0 1
0 1 0
1 0 1
0 0 1
1 0 1
0 0 1
1 0 1
0 0 1
1 0 1
0 1 0
1 1 0
0 1 0
1 0 1
0 0 1
1 1 0
...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
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2
2
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2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 5000 lines

Test #2:

score: 0
Wrong Answer
time: 0ms
memory: 11368kb

input:

5 7 5000
0 1 3
1 3 1
0 1 2
0 0 2
0 1 0
1 0 1
0 4 1
6 2
1 3
6 2
5 3
4 0
1 0
4 3
4 2
2 0
6 0
5 1
5 1
1 2
1 1
5 2
0 1
4 3
6 2
3 2
5 1
3 2
5 0
2 1
4 1
6 0
2 0
5 3
4 0
3 2
0 2
1 3
2 1
5 3
1 2
4 2
3 1
1 0
2 2
1 0
2 1
4 1
2 2
3 2
6 1
1 2
2 3
2 1
5 0
2 2
5 3
4 0
3 1
3 1
6 0
2 1
4 3
4 1
0 3
4 0
6 1
5 2
0 0
4...

output:

5
5
5
4
4
5
4
4
5
5
5
5
5
5
4
5
4
5
4
5
4
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5
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4
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4
5
4
5
...

result:

wrong answer 1st lines differ - expected: '3', found: '5'

Subtask #2:

score: 0
Wrong Answer

Test #13:

score: 30
Accepted
time: 12ms
memory: 13400kb

input:

2 1 100000
0 1 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0...

output:

2
2
2
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2
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2
2
2
...

result:

ok 100000 lines

Test #14:

score: 0
Wrong Answer
time: 15ms
memory: 14020kb

input:

5 10 100000
0 3 2
1 2 3
0 2 1
0 2 3
0 0 3
1 3 2
1 1 2
0 2 4
0 0 2
0 4 0
2 2
0 2
7 2
1 2
8 2
0 2
0 2
6 2
0 2
2 2
2 2
7 2
5 2
8 2
0 2
9 2
2 2
7 2
6 2
0 2
8 2
1 2
3 2
2 2
9 2
9 2
1 2
9 2
6 2
1 2
3 2
1 2
3 2
3 2
5 2
8 2
3 2
0 2
7 2
7 2
8 2
9 2
1 2
1 2
0 2
1 2
1 2
0 2
7 2
9 2
2 2
5 2
6 2
2 2
9 2
9 2
0 2
...

output:

5
5
5
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5
5
5
5
5
5
5
...

result:

wrong answer 1st lines differ - expected: '4', found: '5'

Subtask #3:

score: 0
Wrong Answer

Test #28:

score: 30
Accepted
time: 8ms
memory: 13760kb

input:

2 1 100000
0 1 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0...

output:

2
2
2
2
2
2
2
2
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2
2
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2
2
2
2
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2
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2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 100000 lines

Test #29:

score: 0
Wrong Answer
time: 17ms
memory: 14752kb

input:

5 7 100000
0 3 1
0 4 1
0 2 3
0 2 1
0 2 4
0 2 0
0 4 0
1 0
3 0
4 0
0 3
1 2
2 0
4 0
2 1
5 1
4 0
2 3
0 2
0 3
6 0
4 2
5 2
4 3
5 0
0 0
5 3
0 1
4 0
4 0
3 1
3 0
1 1
6 3
0 0
0 0
0 3
5 3
3 2
6 0
5 0
4 1
0 0
5 0
0 3
2 3
1 2
2 1
6 2
0 0
3 2
0 0
2 2
1 0
1 1
0 2
1 0
5 3
5 2
2 1
2 2
3 0
2 3
1 3
1 0
3 1
5 2
1 2
5 0...

output:

5
3
3
5
5
5
3
5
5
3
5
5
5
5
5
5
4
3
5
4
5
3
3
5
3
5
5
5
5
5
4
5
5
3
5
5
3
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
5
3
5
5
5
5
5
5
3
5
5
5
5
5
5
5
5
5
5
5
5
3
5
5
5
3
5
5
5
5
5
5
3
5
5
5
5
3
5
5
5
4
3
5
5
5
5
5
4
5
5
5
5
5
5
4
4
5
4
5
5
5
3
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
5
5
5
5
4
5
5
5
5
3
5
5
5
...

result:

wrong answer 1st lines differ - expected: '3', found: '5'

Subtask #4:

score: 0
Skipped

Dependency #1:

0%