oj.uz

Submission #740258

# Submission time Handle Problem Language Result Execution time Memory
740258 2023-05-12T08:37:53 Z vjudge1 Fountain Parks (IOI21_parks) C++17
15 / 100
 3500 ms 152544 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}};
	}
	srand(time(0));
	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;
	}
	while(!u.size()){
		random_shuffle(p+1,p+n+1);
		for(int i=1;i<=n;i++){
			int daun=i;
			i=p[i].s.s;
			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{
					v.clear();
					u.clear();
					a.clear();
					b.clear();
					break;
				}
			}
			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{
					v.clear();
					u.clear();
					a.clear();
					b.clear();
					break;
				}
			}
			i=daun;
		}
		for(int i=1;i<=mx;i++)used[i].clear();
	}
	build(u,v,a,b);
	return 1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct
17 Correct 41 ms 94124 KB Output is correct
18 Correct 43 ms 94152 KB Output is correct
19 Correct 43 ms 94136 KB Output is correct
20 Correct 43 ms 94220 KB Output is correct
21 Correct 44 ms 94180 KB Output is correct
22 Correct 44 ms 94116 KB Output is correct
23 Correct 581 ms 151724 KB Output is correct
24 Correct 45 ms 94156 KB Output is correct
25 Correct 44 ms 94536 KB Output is correct
26 Correct 44 ms 94668 KB Output is correct
27 Correct 45 ms 94524 KB Output is correct
28 Correct 209 ms 117284 KB Output is correct
29 Correct 335 ms 128664 KB Output is correct
30 Correct 446 ms 140216 KB Output is correct
31 Correct 676 ms 151720 KB Output is correct
32 Correct 43 ms 94156 KB Output is correct
33 Correct 45 ms 94152 KB Output is correct
34 Correct 43 ms 94268 KB Output is correct
35 Correct 42 ms 94128 KB Output is correct
36 Correct 43 ms 94292 KB Output is correct
37 Correct 43 ms 94164 KB Output is correct
38 Correct 42 ms 94188 KB Output is correct
39 Correct 53 ms 94200 KB Output is correct
40 Correct 47 ms 94228 KB Output is correct
41 Correct 43 ms 94188 KB Output is correct
42 Correct 48 ms 94240 KB Output is correct
43 Correct 45 ms 94420 KB Output is correct
44 Correct 45 ms 94536 KB Output is correct
45 Correct 265 ms 117148 KB Output is correct
46 Correct 373 ms 128764 KB Output is correct
47 Correct 388 ms 128240 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct
17 Correct 41 ms 94124 KB Output is correct
18 Correct 43 ms 94152 KB Output is correct
19 Correct 43 ms 94136 KB Output is correct
20 Correct 43 ms 94220 KB Output is correct
21 Correct 44 ms 94180 KB Output is correct
22 Correct 44 ms 94116 KB Output is correct
23 Correct 581 ms 151724 KB Output is correct
24 Correct 45 ms 94156 KB Output is correct
25 Correct 44 ms 94536 KB Output is correct
26 Correct 44 ms 94668 KB Output is correct
27 Correct 45 ms 94524 KB Output is correct
28 Correct 209 ms 117284 KB Output is correct
29 Correct 335 ms 128664 KB Output is correct
30 Correct 446 ms 140216 KB Output is correct
31 Correct 676 ms 151720 KB Output is correct
32 Correct 43 ms 94156 KB Output is correct
33 Correct 45 ms 94152 KB Output is correct
34 Correct 43 ms 94268 KB Output is correct
35 Correct 42 ms 94128 KB Output is correct
36 Correct 43 ms 94292 KB Output is correct
37 Correct 43 ms 94164 KB Output is correct
38 Correct 42 ms 94188 KB Output is correct
39 Correct 53 ms 94200 KB Output is correct
40 Correct 47 ms 94228 KB Output is correct
41 Correct 43 ms 94188 KB Output is correct
42 Correct 48 ms 94240 KB Output is correct
43 Correct 45 ms 94420 KB Output is correct
44 Correct 45 ms 94536 KB Output is correct
45 Correct 265 ms 117148 KB Output is correct
46 Correct 373 ms 128764 KB Output is correct
47 Correct 388 ms 128240 KB Output is correct
48 Correct 51 ms 94172 KB Output is correct
49 Correct 47 ms 94156 KB Output is correct
50 Correct 50 ms 94256 KB Output is correct
51 Incorrect 45 ms 94164 KB Tree @(5, 5) appears more than once: for edges on positions 0 and 1
52 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct
17 Correct 45 ms 94904 KB Output is correct
18 Correct 44 ms 94932 KB Output is correct
19 Correct 44 ms 94976 KB Output is correct
20 Correct 345 ms 151200 KB Output is correct
21 Execution timed out 3567 ms 134700 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct
17 Correct 602 ms 152544 KB Output is correct
18 Incorrect 1174 ms 146108 KB Tree @(50001, 50001) appears more than once: for edges on positions 78794 and 167329
19 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94160 KB Output is correct
2 Correct 45 ms 94204 KB Output is correct
3 Correct 44 ms 94120 KB Output is correct
4 Correct 41 ms 94184 KB Output is correct
5 Correct 43 ms 94156 KB Output is correct
6 Correct 48 ms 94164 KB Output is correct
7 Correct 45 ms 94156 KB Output is correct
8 Correct 44 ms 94152 KB Output is correct
9 Correct 226 ms 120116 KB Output is correct
10 Correct 52 ms 97104 KB Output is correct
11 Correct 110 ms 108480 KB Output is correct
12 Correct 71 ms 98392 KB Output is correct
13 Correct 74 ms 101752 KB Output is correct
14 Correct 48 ms 94364 KB Output is correct
15 Correct 43 ms 94368 KB Output is correct
16 Correct 205 ms 116156 KB Output is correct
17 Correct 41 ms 94124 KB Output is correct
18 Correct 43 ms 94152 KB Output is correct
19 Correct 43 ms 94136 KB Output is correct
20 Correct 43 ms 94220 KB Output is correct
21 Correct 44 ms 94180 KB Output is correct
22 Correct 44 ms 94116 KB Output is correct
23 Correct 581 ms 151724 KB Output is correct
24 Correct 45 ms 94156 KB Output is correct
25 Correct 44 ms 94536 KB Output is correct
26 Correct 44 ms 94668 KB Output is correct
27 Correct 45 ms 94524 KB Output is correct
28 Correct 209 ms 117284 KB Output is correct
29 Correct 335 ms 128664 KB Output is correct
30 Correct 446 ms 140216 KB Output is correct
31 Correct 676 ms 151720 KB Output is correct
32 Correct 43 ms 94156 KB Output is correct
33 Correct 45 ms 94152 KB Output is correct
34 Correct 43 ms 94268 KB Output is correct
35 Correct 42 ms 94128 KB Output is correct
36 Correct 43 ms 94292 KB Output is correct
37 Correct 43 ms 94164 KB Output is correct
38 Correct 42 ms 94188 KB Output is correct
39 Correct 53 ms 94200 KB Output is correct
40 Correct 47 ms 94228 KB Output is correct
41 Correct 43 ms 94188 KB Output is correct
42 Correct 48 ms 94240 KB Output is correct
43 Correct 45 ms 94420 KB Output is correct
44 Correct 45 ms 94536 KB Output is correct
45 Correct 265 ms 117148 KB Output is correct
46 Correct 373 ms 128764 KB Output is correct
47 Correct 388 ms 128240 KB Output is correct
48 Correct 51 ms 94172 KB Output is correct
49 Correct 47 ms 94156 KB Output is correct
50 Correct 50 ms 94256 KB Output is correct
51 Incorrect 45 ms 94164 KB Tree @(5, 5) appears more than once: for edges on positions 0 and 1
52 Halted 0 ms 0 KB -