oj.uz

답안 #740224

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
740224 2023-05-12T07:38:03 Z vjudge1 분수 공원 (IOI21_parks) C++17
15 / 100
 648 ms 161216 KB 
#include "parks.h"
#include <bits/stdc++.h>
#define f first
#define s second 
#define ent '\n'
//#define int long long

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

//typedef long double ld;
typedef long long ll;
using namespace std;
 
struct node{double x,y;};
//double len(node a,node b)
//{return sqrt((a.x-b.x)*(a.x-b.y)+(a.y-b.y)*(a.x-b.y));}

struct seg{
	int l,r,id;
};

const string out[2]={"NO\n","YES\n"};
const ll dx[]={-1,-1,1,1};  
const ll dy[]={-1,1,-1,1};
const ll dxx[]={0,0,2,-2};
const ll dyy[]={2,-2,0,0};
const int md=998244353;
const int mod=1e9+7;
const int mx=8e5+12; 
const int tst=1e5;
const bool T=0;

pair<int,pair<int,int>> p[mx];
map<int,bool> used[mx];
map<int,int> pos[mx];
vector<int> g[mx];
int ma[mx];
int mi[mx];

void dfs(int x,int y){
	used[x][y]=1;
	ma[x]=max(ma[x],y);
	mi[x]=min(mi[x],y);
	for(int k=0;k<4;k++){
		int x1=x+dxx[k];
		int y1=y+dyy[k];
		if(!used[x1].count(y1) && pos[x1].count(y1))dfs(x1,y1);
	}
}

int construct_roads(std::vector<int> x, std::vector<int> y) {
	int n=x.size();
	for(int i=1;i<=n;i++){
		p[i]={x[i-1],{y[i-1],i}};
	}
	sort(p+1,p+n+1);
	int mx=0;
	reverse(x.begin(),x.end());
	reverse(y.begin(),y.end());
	x.push_back(0);
	y.push_back(0);
	reverse(x.begin(),x.end());
	reverse(y.begin(),y.end());
	for(int i=1;i<=n;i++){
		mx=max(mx,x[i]);
		pos[x[i]][y[i]]=i-1;
	}
	for(int i=0;i<=mx;i++)mi[i]=1e9;
	dfs(x[1],y[1]);
	for(int i=1;i<=n;i++){
		if(!used[x[i]][y[i]]){
			return 0;
		}
	}
	vector<int> u,v,a,b;
	if(mx==2){
		for(int i=mi[2];i<ma[2];i+=2){
			u.push_back(pos[2][i]);
			v.push_back(pos[2][i+2]);
			a.push_back(1);
			b.push_back(i+1);
		}
		build(u,v,a,b);
		return 1;
	}
	if(mx==4){
		if(!ma[2]){
			for(int i=mi[4];i<ma[4];i+=2){
				u.push_back(pos[4][i]);
				v.push_back(pos[4][i+2]);
				a.push_back(3);
				b.push_back(i+1);
			}
			build(u,v,a,b);
			return 1;
		}
		for(int i=1;i<=n;i++){
			if(pos[x[i]].count(y[i]+2)){
				u.push_back(i-1);
				v.push_back(pos[x[i]][y[i]+2]);
				if(x[i]==2)a.push_back(1);
				else a.push_back(5);
				b.push_back(y[i]+1);
			}
		}
		for(int i=1;i<=n;i++){
			if(x[i]!=2)continue;
			if(pos[4].count(y[i])){
				u.push_back(i-1);
				v.push_back(pos[4][y[i]]);
				a.push_back(3);
				b.push_back(y[i]-1);
			}
		}
		build(u,v,a,b);
		return 1;
	}
	for(int i=1;i<=n;i++){
		if(pos[x[i]].count(y[i]+2)){
			u.push_back(i-1);
			v.push_back(pos[x[i]][y[i]+2]);
			b.push_back(y[i]+1);
			if(!used[x[i]+1][y[i]+1]){
				used[x[i]+1][y[i]+1]=1;
				a.push_back(x[i]+1);
			}
			else if(!used[x[i]-1][y[i]+1]){
				used[x[i]-1][y[i]+1];
				a.push_back(x[i]-1);
			}
			else{
				return 0;
			}
		}
		if(pos[x[i]+2].count(y[i])){
			u.push_back(i-1);
			v.push_back(pos[x[i]+2][y[i]]);
			a.push_back(x[i]+1);
			if(!used[x[i]+1][y[i]+1]){
				used[x[i]+1][y[i]+1]=1;
				b.push_back(y[i]+1);
			}
			else if(!used[x[i]+1][y[i]-1]){
				used[x[i]+1][y[i]-1]=1;
				b.push_back(y[i]-1);
			}
			else{
				return 0;
			}
		}
	}
	build(u,v,a,b);
	return 1;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct
17 Correct 48 ms 94136 KB Output is correct
18 Correct 51 ms 94212 KB Output is correct
19 Correct 41 ms 94188 KB Output is correct
20 Correct 49 ms 94176 KB Output is correct
21 Correct 42 ms 94156 KB Output is correct
22 Correct 42 ms 94196 KB Output is correct
23 Correct 642 ms 151448 KB Output is correct
24 Correct 43 ms 94164 KB Output is correct
25 Correct 47 ms 94584 KB Output is correct
26 Correct 43 ms 94636 KB Output is correct
27 Correct 47 ms 94520 KB Output is correct
28 Correct 215 ms 117324 KB Output is correct
29 Correct 325 ms 128748 KB Output is correct
30 Correct 446 ms 140176 KB Output is correct
31 Correct 648 ms 151592 KB Output is correct
32 Correct 44 ms 94228 KB Output is correct
33 Correct 54 ms 94144 KB Output is correct
34 Correct 44 ms 94220 KB Output is correct
35 Correct 48 ms 94200 KB Output is correct
36 Correct 42 ms 94164 KB Output is correct
37 Correct 44 ms 94132 KB Output is correct
38 Correct 43 ms 94128 KB Output is correct
39 Correct 43 ms 94176 KB Output is correct
40 Correct 44 ms 94308 KB Output is correct
41 Correct 47 ms 94132 KB Output is correct
42 Correct 45 ms 94176 KB Output is correct
43 Correct 53 ms 94412 KB Output is correct
44 Correct 47 ms 94504 KB Output is correct
45 Correct 268 ms 117140 KB Output is correct
46 Correct 469 ms 128672 KB Output is correct
47 Correct 367 ms 128100 KB Output is correct

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct
17 Correct 48 ms 94136 KB Output is correct
18 Correct 51 ms 94212 KB Output is correct
19 Correct 41 ms 94188 KB Output is correct
20 Correct 49 ms 94176 KB Output is correct
21 Correct 42 ms 94156 KB Output is correct
22 Correct 42 ms 94196 KB Output is correct
23 Correct 642 ms 151448 KB Output is correct
24 Correct 43 ms 94164 KB Output is correct
25 Correct 47 ms 94584 KB Output is correct
26 Correct 43 ms 94636 KB Output is correct
27 Correct 47 ms 94520 KB Output is correct
28 Correct 215 ms 117324 KB Output is correct
29 Correct 325 ms 128748 KB Output is correct
30 Correct 446 ms 140176 KB Output is correct
31 Correct 648 ms 151592 KB Output is correct
32 Correct 44 ms 94228 KB Output is correct
33 Correct 54 ms 94144 KB Output is correct
34 Correct 44 ms 94220 KB Output is correct
35 Correct 48 ms 94200 KB Output is correct
36 Correct 42 ms 94164 KB Output is correct
37 Correct 44 ms 94132 KB Output is correct
38 Correct 43 ms 94128 KB Output is correct
39 Correct 43 ms 94176 KB Output is correct
40 Correct 44 ms 94308 KB Output is correct
41 Correct 47 ms 94132 KB Output is correct
42 Correct 45 ms 94176 KB Output is correct
43 Correct 53 ms 94412 KB Output is correct
44 Correct 47 ms 94504 KB Output is correct
45 Correct 268 ms 117140 KB Output is correct
46 Correct 469 ms 128672 KB Output is correct
47 Correct 367 ms 128100 KB Output is correct
48 Correct 47 ms 94144 KB Output is correct
49 Correct 43 ms 94156 KB Output is correct
50 Correct 46 ms 94184 KB Output is correct
51 Incorrect 45 ms 94140 KB Solution announced impossible, but it is possible.
52 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct
17 Correct 44 ms 94932 KB Output is correct
18 Correct 44 ms 94904 KB Output is correct
19 Correct 49 ms 95008 KB Output is correct
20 Correct 338 ms 161216 KB Output is correct
21 Correct 400 ms 156320 KB Output is correct
22 Correct 365 ms 154292 KB Output is correct
23 Correct 398 ms 144516 KB Output is correct
24 Correct 183 ms 110980 KB Output is correct
25 Correct 163 ms 110728 KB Output is correct
26 Correct 167 ms 110764 KB Output is correct
27 Correct 504 ms 139660 KB Output is correct
28 Correct 499 ms 139596 KB Output is correct
29 Incorrect 377 ms 120532 KB Solution announced impossible, but it is possible.
30 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct
17 Correct 581 ms 157924 KB Output is correct
18 Incorrect 423 ms 144492 KB Solution announced impossible, but it is possible.
19 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 94236 KB Output is correct
2 Correct 44 ms 94156 KB Output is correct
3 Correct 46 ms 94136 KB Output is correct
4 Correct 42 ms 94260 KB Output is correct
5 Correct 60 ms 94232 KB Output is correct
6 Correct 42 ms 94152 KB Output is correct
7 Correct 49 ms 94200 KB Output is correct
8 Correct 43 ms 94188 KB Output is correct
9 Correct 210 ms 120028 KB Output is correct
10 Correct 54 ms 97132 KB Output is correct
11 Correct 109 ms 108432 KB Output is correct
12 Correct 59 ms 98440 KB Output is correct
13 Correct 85 ms 101812 KB Output is correct
14 Correct 46 ms 94372 KB Output is correct
15 Correct 43 ms 94416 KB Output is correct
16 Correct 219 ms 116168 KB Output is correct
17 Correct 48 ms 94136 KB Output is correct
18 Correct 51 ms 94212 KB Output is correct
19 Correct 41 ms 94188 KB Output is correct
20 Correct 49 ms 94176 KB Output is correct
21 Correct 42 ms 94156 KB Output is correct
22 Correct 42 ms 94196 KB Output is correct
23 Correct 642 ms 151448 KB Output is correct
24 Correct 43 ms 94164 KB Output is correct
25 Correct 47 ms 94584 KB Output is correct
26 Correct 43 ms 94636 KB Output is correct
27 Correct 47 ms 94520 KB Output is correct
28 Correct 215 ms 117324 KB Output is correct
29 Correct 325 ms 128748 KB Output is correct
30 Correct 446 ms 140176 KB Output is correct
31 Correct 648 ms 151592 KB Output is correct
32 Correct 44 ms 94228 KB Output is correct
33 Correct 54 ms 94144 KB Output is correct
34 Correct 44 ms 94220 KB Output is correct
35 Correct 48 ms 94200 KB Output is correct
36 Correct 42 ms 94164 KB Output is correct
37 Correct 44 ms 94132 KB Output is correct
38 Correct 43 ms 94128 KB Output is correct
39 Correct 43 ms 94176 KB Output is correct
40 Correct 44 ms 94308 KB Output is correct
41 Correct 47 ms 94132 KB Output is correct
42 Correct 45 ms 94176 KB Output is correct
43 Correct 53 ms 94412 KB Output is correct
44 Correct 47 ms 94504 KB Output is correct
45 Correct 268 ms 117140 KB Output is correct
46 Correct 469 ms 128672 KB Output is correct
47 Correct 367 ms 128100 KB Output is correct
48 Correct 47 ms 94144 KB Output is correct
49 Correct 43 ms 94156 KB Output is correct
50 Correct 46 ms 94184 KB Output is correct
51 Incorrect 45 ms 94140 KB Solution announced impossible, but it is possible.
52 Halted 0 ms 0 KB -