oj.uz

Submission #576698

# Submission time Handle Problem Language Result Execution time Memory
576698 2022-06-13T09:32:23 Z codr0 Swapping Cities (APIO20_swap) C++14
100 / 100
 313 ms 31660 KB 
// Code by Parsa Eslami
 
#include "swap.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
 
#define bit(i,j) ((j>>i)&1)
#define minm(x,y) x=min(x,y)
#define maxm(x,y) x=max(x,y)
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORR(i,a,b) for(int i=a;i>=b;i--)
#define S second
#define F first
#define pb push_back
#define SZ(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define err(x) cout<<#x<<": "<<x<<'\n'
#define wtf cout<<"WHAT THE FUCK!\n"
#define dmid int mid=(r+l)/2
#define lc 2*id
#define rc 2*id+1
 
using namespace std;
const int N=1e5+4;
int D1[N],ans[N],mx[N],dsu[N],D[N];
vector<int> x[N];
vector<pii> vc[N];

	int root(int v){
		if(dsu[v]<0) return v;
		return (dsu[v]=root(dsu[v]));
	}

	void join(int u,int v,int tme){
		D[u]++;
		D[v]++;
		int z=0;
		if(D[u]==2) z--;
		else if(D[u]==1) z++;
		
		if(D[v]==2) z--;
		else if(D[v]==1) z++;
		
		int mxx=0;
		mxx=max(D[u],D[v]);

		u=root(u); v=root(v);
		if(u!=v){
			if(ans[v]&&ans[u]==0){
				for(int v0:x[u]) ans[v0]=tme;
			}
			if(ans[u]&&ans[v]==0){
				for(int v0:x[v]) ans[v0]=tme;
			}
			if(SZ(x[u])>SZ(x[v])) swap(u,v);
			for(int v0:x[u]){
				x[v].pb(v0);
				vc[v0].pb({tme,v});
			}	
			dsu[v]+=dsu[u]; dsu[u]=v;
		}
		if(u!=v) D1[v]=D1[u]+D1[v]+z;
		else D1[v]+=z;
		mx[v]=max(max(mx[v],mx[u]),mxx);
		if((mx[v]>=3||D1[v]==0)&&ans[v]==0){
			for(int v0:x[v]) ans[v0]=tme;
		}
	}

	int TIME(int u,int v){
		int pu=0;
		int numu=u;
		int numv=v;
		int pv=0;
		int rt=0;
		while(numu!=numv){
			int tmeu=1e9;
			int tmev=1e9;
			if(pu<SZ(vc[u])) tmeu=vc[u][pu].F;
			if(pv<SZ(vc[v])) tmev=vc[v][pv].F;
			if(tmeu<tmev){
				rt=tmeu;
				numu=vc[u][pu].S;
				pu++;
			}
			if(tmev<=tmeu){
				rt=tmev;
				numv=vc[v][pv].S;
				pv++;
			}
		}
		return rt;
	}

	void init(int n,int m,vector<int> u,vector<int> v,vector<int> w){
		FOR(i,0,N-1) dsu[i]=-1,x[i].pb(i);
		vector<pair<int,pii>> vcc;
		FOR(i,0,m-1) vcc.pb({w[i],{u[i],v[i]}});
		sort(all(vcc));
		FOR(i,0,m-1) join(vcc[i].S.F,vcc[i].S.S,vcc[i].F);
	}

	int getMinimumFuelCapacity(int x,int y){
		if(ans[x]==0||ans[y]==0) return -1;
		int rt=max(max(ans[x],ans[y]),TIME(x,y));
		return rt;
	}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8532 KB Output is correct
2 Correct 10 ms 8532 KB Output is correct
3 Correct 8 ms 8532 KB Output is correct
4 Correct 7 ms 8532 KB Output is correct
5 Correct 9 ms 8608 KB Output is correct
6 Correct 8 ms 8660 KB Output is correct
7 Correct 8 ms 8604 KB Output is correct
8 Correct 7 ms 8532 KB Output is correct
9 Correct 119 ms 22456 KB Output is correct
10 Correct 179 ms 25048 KB Output is correct
11 Correct 145 ms 24848 KB Output is correct
12 Correct 160 ms 25792 KB Output is correct
13 Correct 93 ms 17136 KB Output is correct
14 Correct 117 ms 22464 KB Output is correct
15 Correct 195 ms 26940 KB Output is correct
16 Correct 220 ms 26532 KB Output is correct
17 Correct 208 ms 27648 KB Output is correct
18 Correct 131 ms 18732 KB Output is correct
19 Correct 80 ms 14944 KB Output is correct
20 Correct 237 ms 27640 KB Output is correct
21 Correct 273 ms 27392 KB Output is correct
22 Correct 248 ms 28444 KB Output is correct
23 Correct 149 ms 19476 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8532 KB Output is correct
2 Correct 10 ms 8532 KB Output is correct
3 Correct 134 ms 18540 KB Output is correct
4 Correct 134 ms 18712 KB Output is correct
5 Correct 167 ms 18812 KB Output is correct
6 Correct 130 ms 18616 KB Output is correct
7 Correct 131 ms 18884 KB Output is correct
8 Correct 136 ms 18524 KB Output is correct
9 Correct 133 ms 18704 KB Output is correct
10 Correct 127 ms 18548 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8532 KB Output is correct
2 Correct 10 ms 8532 KB Output is correct
3 Correct 8 ms 8532 KB Output is correct
4 Correct 7 ms 8532 KB Output is correct
5 Correct 9 ms 8608 KB Output is correct
6 Correct 8 ms 8660 KB Output is correct
7 Correct 8 ms 8604 KB Output is correct
8 Correct 7 ms 8532 KB Output is correct
9 Correct 7 ms 8532 KB Output is correct
10 Correct 9 ms 8620 KB Output is correct
11 Correct 11 ms 8616 KB Output is correct
12 Correct 9 ms 8660 KB Output is correct
13 Correct 8 ms 8660 KB Output is correct
14 Correct 8 ms 8644 KB Output is correct
15 Correct 8 ms 8608 KB Output is correct
16 Correct 8 ms 8660 KB Output is correct
17 Correct 8 ms 8640 KB Output is correct
18 Correct 12 ms 8660 KB Output is correct
19 Correct 8 ms 8516 KB Output is correct
20 Correct 8 ms 8604 KB Output is correct
21 Correct 8 ms 8532 KB Output is correct
22 Correct 8 ms 8600 KB Output is correct
23 Correct 8 ms 8532 KB Output is correct
24 Correct 8 ms 8604 KB Output is correct
25 Correct 8 ms 8644 KB Output is correct
26 Correct 9 ms 8660 KB Output is correct
27 Correct 8 ms 8532 KB Output is correct
28 Correct 8 ms 8660 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8532 KB Output is correct
2 Correct 11 ms 8532 KB Output is correct
3 Correct 10 ms 8532 KB Output is correct
4 Correct 8 ms 8532 KB Output is correct
5 Correct 7 ms 8532 KB Output is correct
6 Correct 9 ms 8608 KB Output is correct
7 Correct 8 ms 8660 KB Output is correct
8 Correct 8 ms 8604 KB Output is correct
9 Correct 7 ms 8532 KB Output is correct
10 Correct 119 ms 22456 KB Output is correct
11 Correct 179 ms 25048 KB Output is correct
12 Correct 145 ms 24848 KB Output is correct
13 Correct 160 ms 25792 KB Output is correct
14 Correct 93 ms 17136 KB Output is correct
15 Correct 9 ms 8620 KB Output is correct
16 Correct 11 ms 8616 KB Output is correct
17 Correct 9 ms 8660 KB Output is correct
18 Correct 8 ms 8660 KB Output is correct
19 Correct 8 ms 8644 KB Output is correct
20 Correct 8 ms 8608 KB Output is correct
21 Correct 8 ms 8660 KB Output is correct
22 Correct 8 ms 8640 KB Output is correct
23 Correct 12 ms 8660 KB Output is correct
24 Correct 8 ms 8516 KB Output is correct
25 Correct 8 ms 8604 KB Output is correct
26 Correct 8 ms 8532 KB Output is correct
27 Correct 8 ms 8600 KB Output is correct
28 Correct 8 ms 8532 KB Output is correct
29 Correct 8 ms 8604 KB Output is correct
30 Correct 8 ms 8644 KB Output is correct
31 Correct 9 ms 8660 KB Output is correct
32 Correct 8 ms 8532 KB Output is correct
33 Correct 8 ms 8660 KB Output is correct
34 Correct 19 ms 10552 KB Output is correct
35 Correct 156 ms 26028 KB Output is correct
36 Correct 172 ms 25784 KB Output is correct
37 Correct 148 ms 25276 KB Output is correct
38 Correct 144 ms 24260 KB Output is correct
39 Correct 156 ms 23884 KB Output is correct
40 Correct 135 ms 22012 KB Output is correct
41 Correct 152 ms 26464 KB Output is correct
42 Correct 165 ms 26312 KB Output is correct
43 Correct 92 ms 18244 KB Output is correct
44 Correct 143 ms 23264 KB Output is correct
45 Correct 107 ms 19120 KB Output is correct
46 Correct 165 ms 25832 KB Output is correct
47 Correct 147 ms 21780 KB Output is correct
48 Correct 114 ms 18924 KB Output is correct
49 Correct 66 ms 16140 KB Output is correct
50 Correct 65 ms 13836 KB Output is correct
51 Correct 89 ms 17604 KB Output is correct
52 Correct 179 ms 26956 KB Output is correct
53 Correct 155 ms 22780 KB Output is correct
54 Correct 211 ms 29876 KB Output is correct
55 Correct 84 ms 18244 KB Output is correct
56 Correct 141 ms 21388 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8532 KB Output is correct
2 Correct 10 ms 8532 KB Output is correct
3 Correct 8 ms 8532 KB Output is correct
4 Correct 7 ms 8532 KB Output is correct
5 Correct 9 ms 8608 KB Output is correct
6 Correct 8 ms 8660 KB Output is correct
7 Correct 8 ms 8604 KB Output is correct
8 Correct 7 ms 8532 KB Output is correct
9 Correct 119 ms 22456 KB Output is correct
10 Correct 179 ms 25048 KB Output is correct
11 Correct 145 ms 24848 KB Output is correct
12 Correct 160 ms 25792 KB Output is correct
13 Correct 93 ms 17136 KB Output is correct
14 Correct 117 ms 22464 KB Output is correct
15 Correct 195 ms 26940 KB Output is correct
16 Correct 220 ms 26532 KB Output is correct
17 Correct 208 ms 27648 KB Output is correct
18 Correct 131 ms 18732 KB Output is correct
19 Correct 134 ms 18540 KB Output is correct
20 Correct 134 ms 18712 KB Output is correct
21 Correct 167 ms 18812 KB Output is correct
22 Correct 130 ms 18616 KB Output is correct
23 Correct 131 ms 18884 KB Output is correct
24 Correct 136 ms 18524 KB Output is correct
25 Correct 133 ms 18704 KB Output is correct
26 Correct 127 ms 18548 KB Output is correct
27 Correct 9 ms 8620 KB Output is correct
28 Correct 11 ms 8616 KB Output is correct
29 Correct 9 ms 8660 KB Output is correct
30 Correct 8 ms 8660 KB Output is correct
31 Correct 8 ms 8644 KB Output is correct
32 Correct 8 ms 8608 KB Output is correct
33 Correct 8 ms 8660 KB Output is correct
34 Correct 8 ms 8640 KB Output is correct
35 Correct 12 ms 8660 KB Output is correct
36 Correct 19 ms 10552 KB Output is correct
37 Correct 156 ms 26028 KB Output is correct
38 Correct 172 ms 25784 KB Output is correct
39 Correct 148 ms 25276 KB Output is correct
40 Correct 144 ms 24260 KB Output is correct
41 Correct 156 ms 23884 KB Output is correct
42 Correct 135 ms 22012 KB Output is correct
43 Correct 152 ms 26464 KB Output is correct
44 Correct 165 ms 26312 KB Output is correct
45 Correct 92 ms 18244 KB Output is correct
46 Correct 143 ms 23264 KB Output is correct
47 Correct 24 ms 10804 KB Output is correct
48 Correct 252 ms 27776 KB Output is correct
49 Correct 237 ms 27196 KB Output is correct
50 Correct 313 ms 26888 KB Output is correct
51 Correct 230 ms 26212 KB Output is correct
52 Correct 207 ms 24632 KB Output is correct
53 Correct 164 ms 21180 KB Output is correct
54 Correct 263 ms 27948 KB Output is correct
55 Correct 251 ms 28140 KB Output is correct
56 Correct 165 ms 19840 KB Output is correct
57 Correct 213 ms 24904 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8532 KB Output is correct
2 Correct 11 ms 8532 KB Output is correct
3 Correct 10 ms 8532 KB Output is correct
4 Correct 8 ms 8532 KB Output is correct
5 Correct 7 ms 8532 KB Output is correct
6 Correct 9 ms 8608 KB Output is correct
7 Correct 8 ms 8660 KB Output is correct
8 Correct 8 ms 8604 KB Output is correct
9 Correct 7 ms 8532 KB Output is correct
10 Correct 119 ms 22456 KB Output is correct
11 Correct 179 ms 25048 KB Output is correct
12 Correct 145 ms 24848 KB Output is correct
13 Correct 160 ms 25792 KB Output is correct
14 Correct 93 ms 17136 KB Output is correct
15 Correct 117 ms 22464 KB Output is correct
16 Correct 195 ms 26940 KB Output is correct
17 Correct 220 ms 26532 KB Output is correct
18 Correct 208 ms 27648 KB Output is correct
19 Correct 131 ms 18732 KB Output is correct
20 Correct 134 ms 18540 KB Output is correct
21 Correct 134 ms 18712 KB Output is correct
22 Correct 167 ms 18812 KB Output is correct
23 Correct 130 ms 18616 KB Output is correct
24 Correct 131 ms 18884 KB Output is correct
25 Correct 136 ms 18524 KB Output is correct
26 Correct 133 ms 18704 KB Output is correct
27 Correct 127 ms 18548 KB Output is correct
28 Correct 9 ms 8620 KB Output is correct
29 Correct 11 ms 8616 KB Output is correct
30 Correct 9 ms 8660 KB Output is correct
31 Correct 8 ms 8660 KB Output is correct
32 Correct 8 ms 8644 KB Output is correct
33 Correct 8 ms 8608 KB Output is correct
34 Correct 8 ms 8660 KB Output is correct
35 Correct 8 ms 8640 KB Output is correct
36 Correct 12 ms 8660 KB Output is correct
37 Correct 19 ms 10552 KB Output is correct
38 Correct 156 ms 26028 KB Output is correct
39 Correct 172 ms 25784 KB Output is correct
40 Correct 148 ms 25276 KB Output is correct
41 Correct 144 ms 24260 KB Output is correct
42 Correct 156 ms 23884 KB Output is correct
43 Correct 135 ms 22012 KB Output is correct
44 Correct 152 ms 26464 KB Output is correct
45 Correct 165 ms 26312 KB Output is correct
46 Correct 92 ms 18244 KB Output is correct
47 Correct 143 ms 23264 KB Output is correct
48 Correct 24 ms 10804 KB Output is correct
49 Correct 252 ms 27776 KB Output is correct
50 Correct 237 ms 27196 KB Output is correct
51 Correct 313 ms 26888 KB Output is correct
52 Correct 230 ms 26212 KB Output is correct
53 Correct 207 ms 24632 KB Output is correct
54 Correct 164 ms 21180 KB Output is correct
55 Correct 263 ms 27948 KB Output is correct
56 Correct 251 ms 28140 KB Output is correct
57 Correct 165 ms 19840 KB Output is correct
58 Correct 213 ms 24904 KB Output is correct
59 Correct 80 ms 14944 KB Output is correct
60 Correct 237 ms 27640 KB Output is correct
61 Correct 273 ms 27392 KB Output is correct
62 Correct 248 ms 28444 KB Output is correct
63 Correct 149 ms 19476 KB Output is correct
64 Correct 8 ms 8516 KB Output is correct
65 Correct 8 ms 8604 KB Output is correct
66 Correct 8 ms 8532 KB Output is correct
67 Correct 8 ms 8600 KB Output is correct
68 Correct 8 ms 8532 KB Output is correct
69 Correct 8 ms 8604 KB Output is correct
70 Correct 8 ms 8644 KB Output is correct
71 Correct 9 ms 8660 KB Output is correct
72 Correct 8 ms 8532 KB Output is correct
73 Correct 8 ms 8660 KB Output is correct
74 Correct 107 ms 19120 KB Output is correct
75 Correct 165 ms 25832 KB Output is correct
76 Correct 147 ms 21780 KB Output is correct
77 Correct 114 ms 18924 KB Output is correct
78 Correct 66 ms 16140 KB Output is correct
79 Correct 65 ms 13836 KB Output is correct
80 Correct 89 ms 17604 KB Output is correct
81 Correct 179 ms 26956 KB Output is correct
82 Correct 155 ms 22780 KB Output is correct
83 Correct 211 ms 29876 KB Output is correct
84 Correct 84 ms 18244 KB Output is correct
85 Correct 141 ms 21388 KB Output is correct
86 Correct 53 ms 13244 KB Output is correct
87 Correct 251 ms 26588 KB Output is correct
88 Correct 239 ms 26768 KB Output is correct
89 Correct 188 ms 19948 KB Output is correct
90 Correct 125 ms 17900 KB Output is correct
91 Correct 128 ms 17448 KB Output is correct
92 Correct 150 ms 18888 KB Output is correct
93 Correct 250 ms 27256 KB Output is correct
94 Correct 260 ms 24768 KB Output is correct
95 Correct 287 ms 31660 KB Output is correct
96 Correct 146 ms 19788 KB Output is correct
97 Correct 252 ms 21712 KB Output is correct