oj.uz

Submission #982118

# Submission time Handle Problem Language Result Execution time Memory
982118 2024-05-13T21:45:03 Z Abito Swapping Cities (APIO20_swap) C++17
100 / 100
 227 ms 191060 KB 
#include "swap.h"
#include <bits/stdc++.h>
#define F first
#define S second
#define ep insert
#define pb push_back
using namespace std;
struct edge{
    int x,y,w;
};
const int NN=7e5+5;
int n,m,p[NN],val[NN],f[NN],c,lg[NN],deg[NN],dis[NN],par[25][NN];
pair<int,int> st[25][NN];
bool spec[NN];
edge e[NN];
vector<int> adj[NN];
bool cmp(edge x,edge y){
    return x.w<y.w;
}
int getpar(int x){
    if (x==p[x]) return x;
    return p[x]=getpar(p[x]);
}
void link(int x,int y){
    x=getpar(x);y=getpar(y);
    if (x==y) return;
    p[x]=y;
    adj[y].pb(x);
    return;
}
void dfs(int x){
    st[0][++c]={dis[x],x};
    f[x]=c;
    for (auto u:adj[x]){
        par[0][u]=x;
        dis[u]=dis[x]+1;
        dfs(u);
        st[0][++c]={dis[x],x};
    }return;
}
void build(){
    for (int i=1;i<25;i++) for (int j=1;j+(1<<i)<=c+1;j++) st[i][j]=min(st[i-1][j],st[i-1][j+(1<<(i-1))]);
    for (int i=1;i<25;i++) for (int j=1;j<=n+m;j++) par[i][j]=par[i-1][par[i-1][j]];
    return;
}
int query(int l,int r){
    if (l>r) swap(l,r);
    int i=lg[r-l+1];
    //cout<<l<<' '<<r<<' '<<i<<endl;
    return min(st[i][l],st[i][r-(1<<i)+1]).S;
}
void init(int N, int M,
          vector<int> U, vector<int> V, vector<int> W) {
    for (int i=2;i<NN;i++) lg[i]=lg[i/2]+1;
    n=N,m=M;dis[0]=-1;
    for (int i=0;i<m;i++) e[i+1]={U[i]+1,V[i]+1,W[i]};
    sort(e+1,e+1+m,cmp);
    for (int i=1;i<=n+m;i++) p[i]=i;
    for (int i=1;i<=m;i++){
        val[i+n]=e[i].w;
        deg[e[i].x]++;
        deg[e[i].y]++;
        if (deg[e[i].x]>=3 || deg[e[i].y]>=3) spec[i+n]=1;
        int x=getpar(e[i].x),y=getpar(e[i].y);
        if (x==y){
            spec[i+n]=1;
            link(x,i+n);
        }
        else{
            link(x,i+n);
            link(y,i+n);
        }
        for (auto u:adj[i+n]) spec[i+n]|=spec[u];
    }
    dfs(n+m);
    build();
    /*for (int i=0;i<5;i++){
        for (int j=1;j+(1<<i)<=c+1;j++) cout<<st[i][j].S<<' ';
        cout<<endl;
    }*/
    return;
}

int getMinimumFuelCapacity(int x, int y) {
    if (!spec[n+m]) return -1;
    x++;y++;
    int lca=query(f[x],f[y]);
    //cout<<lca<<endl;
    if (spec[lca]) return val[lca];
    for (int i=24;i>=0;i--){
        if (par[i][lca]==0) continue;
        if (spec[par[i][lca]]) continue;
        lca=par[i][lca];
    }
    return val[par[0][lca]];
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 86580 KB Output is correct
2 Correct 13 ms 88668 KB Output is correct
3 Correct 12 ms 88584 KB Output is correct
4 Correct 18 ms 103004 KB Output is correct
5 Correct 15 ms 105052 KB Output is correct
6 Correct 15 ms 105052 KB Output is correct
7 Correct 15 ms 105052 KB Output is correct
8 Correct 15 ms 105092 KB Output is correct
9 Correct 87 ms 150208 KB Output is correct
10 Correct 92 ms 158032 KB Output is correct
11 Correct 84 ms 157780 KB Output is correct
12 Correct 92 ms 158996 KB Output is correct
13 Correct 83 ms 162132 KB Output is correct
14 Correct 76 ms 150356 KB Output is correct
15 Correct 131 ms 160172 KB Output is correct
16 Correct 125 ms 160772 KB Output is correct
17 Correct 161 ms 160696 KB Output is correct
18 Correct 123 ms 164024 KB Output is correct
19 Correct 74 ms 131920 KB Output is correct
20 Correct 158 ms 163028 KB Output is correct
21 Correct 159 ms 161664 KB Output is correct
22 Correct 167 ms 162280 KB Output is correct
23 Correct 222 ms 167608 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 86580 KB Output is correct
2 Correct 13 ms 88668 KB Output is correct
3 Correct 131 ms 164852 KB Output is correct
4 Correct 129 ms 165560 KB Output is correct
5 Correct 133 ms 164700 KB Output is correct
6 Correct 128 ms 168380 KB Output is correct
7 Correct 134 ms 167048 KB Output is correct
8 Correct 133 ms 165728 KB Output is correct
9 Correct 131 ms 166616 KB Output is correct
10 Correct 130 ms 166668 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 86580 KB Output is correct
2 Correct 13 ms 88668 KB Output is correct
3 Correct 12 ms 88584 KB Output is correct
4 Correct 18 ms 103004 KB Output is correct
5 Correct 15 ms 105052 KB Output is correct
6 Correct 15 ms 105052 KB Output is correct
7 Correct 15 ms 105052 KB Output is correct
8 Correct 15 ms 105092 KB Output is correct
9 Correct 12 ms 90716 KB Output is correct
10 Correct 15 ms 105160 KB Output is correct
11 Correct 14 ms 105052 KB Output is correct
12 Correct 14 ms 105144 KB Output is correct
13 Correct 15 ms 105048 KB Output is correct
14 Correct 15 ms 105164 KB Output is correct
15 Correct 15 ms 105052 KB Output is correct
16 Correct 15 ms 105052 KB Output is correct
17 Correct 15 ms 105068 KB Output is correct
18 Correct 17 ms 105324 KB Output is correct
19 Correct 16 ms 105300 KB Output is correct
20 Correct 14 ms 105048 KB Output is correct
21 Correct 14 ms 105052 KB Output is correct
22 Correct 15 ms 105304 KB Output is correct
23 Correct 15 ms 105052 KB Output is correct
24 Correct 16 ms 107356 KB Output is correct
25 Correct 15 ms 107352 KB Output is correct
26 Correct 17 ms 107352 KB Output is correct
27 Correct 15 ms 105048 KB Output is correct
28 Correct 16 ms 107624 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 90716 KB Output is correct
2 Correct 27 ms 86580 KB Output is correct
3 Correct 13 ms 88668 KB Output is correct
4 Correct 12 ms 88584 KB Output is correct
5 Correct 18 ms 103004 KB Output is correct
6 Correct 15 ms 105052 KB Output is correct
7 Correct 15 ms 105052 KB Output is correct
8 Correct 15 ms 105052 KB Output is correct
9 Correct 15 ms 105092 KB Output is correct
10 Correct 87 ms 150208 KB Output is correct
11 Correct 92 ms 158032 KB Output is correct
12 Correct 84 ms 157780 KB Output is correct
13 Correct 92 ms 158996 KB Output is correct
14 Correct 83 ms 162132 KB Output is correct
15 Correct 15 ms 105160 KB Output is correct
16 Correct 14 ms 105052 KB Output is correct
17 Correct 14 ms 105144 KB Output is correct
18 Correct 15 ms 105048 KB Output is correct
19 Correct 15 ms 105164 KB Output is correct
20 Correct 15 ms 105052 KB Output is correct
21 Correct 15 ms 105052 KB Output is correct
22 Correct 15 ms 105068 KB Output is correct
23 Correct 17 ms 105324 KB Output is correct
24 Correct 16 ms 105300 KB Output is correct
25 Correct 14 ms 105048 KB Output is correct
26 Correct 14 ms 105052 KB Output is correct
27 Correct 15 ms 105304 KB Output is correct
28 Correct 15 ms 105052 KB Output is correct
29 Correct 16 ms 107356 KB Output is correct
30 Correct 15 ms 107352 KB Output is correct
31 Correct 17 ms 107352 KB Output is correct
32 Correct 15 ms 105048 KB Output is correct
33 Correct 16 ms 107624 KB Output is correct
34 Correct 25 ms 126556 KB Output is correct
35 Correct 99 ms 159468 KB Output is correct
36 Correct 90 ms 158488 KB Output is correct
37 Correct 92 ms 159556 KB Output is correct
38 Correct 96 ms 157716 KB Output is correct
39 Correct 90 ms 159076 KB Output is correct
40 Correct 85 ms 153936 KB Output is correct
41 Correct 95 ms 158792 KB Output is correct
42 Correct 90 ms 158548 KB Output is correct
43 Correct 81 ms 163808 KB Output is correct
44 Correct 93 ms 158804 KB Output is correct
45 Correct 142 ms 171416 KB Output is correct
46 Correct 99 ms 162128 KB Output is correct
47 Correct 89 ms 160844 KB Output is correct
48 Correct 96 ms 164948 KB Output is correct
49 Correct 97 ms 166976 KB Output is correct
50 Correct 84 ms 157268 KB Output is correct
51 Correct 105 ms 168272 KB Output is correct
52 Correct 129 ms 178260 KB Output is correct
53 Correct 149 ms 180268 KB Output is correct
54 Correct 161 ms 187328 KB Output is correct
55 Correct 84 ms 162388 KB Output is correct
56 Correct 143 ms 181584 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 86580 KB Output is correct
2 Correct 13 ms 88668 KB Output is correct
3 Correct 12 ms 88584 KB Output is correct
4 Correct 18 ms 103004 KB Output is correct
5 Correct 15 ms 105052 KB Output is correct
6 Correct 15 ms 105052 KB Output is correct
7 Correct 15 ms 105052 KB Output is correct
8 Correct 15 ms 105092 KB Output is correct
9 Correct 87 ms 150208 KB Output is correct
10 Correct 92 ms 158032 KB Output is correct
11 Correct 84 ms 157780 KB Output is correct
12 Correct 92 ms 158996 KB Output is correct
13 Correct 83 ms 162132 KB Output is correct
14 Correct 76 ms 150356 KB Output is correct
15 Correct 131 ms 160172 KB Output is correct
16 Correct 125 ms 160772 KB Output is correct
17 Correct 161 ms 160696 KB Output is correct
18 Correct 123 ms 164024 KB Output is correct
19 Correct 131 ms 164852 KB Output is correct
20 Correct 129 ms 165560 KB Output is correct
21 Correct 133 ms 164700 KB Output is correct
22 Correct 128 ms 168380 KB Output is correct
23 Correct 134 ms 167048 KB Output is correct
24 Correct 133 ms 165728 KB Output is correct
25 Correct 131 ms 166616 KB Output is correct
26 Correct 130 ms 166668 KB Output is correct
27 Correct 15 ms 105160 KB Output is correct
28 Correct 14 ms 105052 KB Output is correct
29 Correct 14 ms 105144 KB Output is correct
30 Correct 15 ms 105048 KB Output is correct
31 Correct 15 ms 105164 KB Output is correct
32 Correct 15 ms 105052 KB Output is correct
33 Correct 15 ms 105052 KB Output is correct
34 Correct 15 ms 105068 KB Output is correct
35 Correct 17 ms 105324 KB Output is correct
36 Correct 25 ms 126556 KB Output is correct
37 Correct 99 ms 159468 KB Output is correct
38 Correct 90 ms 158488 KB Output is correct
39 Correct 92 ms 159556 KB Output is correct
40 Correct 96 ms 157716 KB Output is correct
41 Correct 90 ms 159076 KB Output is correct
42 Correct 85 ms 153936 KB Output is correct
43 Correct 95 ms 158792 KB Output is correct
44 Correct 90 ms 158548 KB Output is correct
45 Correct 81 ms 163808 KB Output is correct
46 Correct 93 ms 158804 KB Output is correct
47 Correct 29 ms 125016 KB Output is correct
48 Correct 153 ms 165816 KB Output is correct
49 Correct 144 ms 165780 KB Output is correct
50 Correct 163 ms 164624 KB Output is correct
51 Correct 157 ms 164544 KB Output is correct
52 Correct 143 ms 161708 KB Output is correct
53 Correct 117 ms 147956 KB Output is correct
54 Correct 161 ms 162740 KB Output is correct
55 Correct 154 ms 162748 KB Output is correct
56 Correct 140 ms 166804 KB Output is correct
57 Correct 154 ms 165440 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 90716 KB Output is correct
2 Correct 27 ms 86580 KB Output is correct
3 Correct 13 ms 88668 KB Output is correct
4 Correct 12 ms 88584 KB Output is correct
5 Correct 18 ms 103004 KB Output is correct
6 Correct 15 ms 105052 KB Output is correct
7 Correct 15 ms 105052 KB Output is correct
8 Correct 15 ms 105052 KB Output is correct
9 Correct 15 ms 105092 KB Output is correct
10 Correct 87 ms 150208 KB Output is correct
11 Correct 92 ms 158032 KB Output is correct
12 Correct 84 ms 157780 KB Output is correct
13 Correct 92 ms 158996 KB Output is correct
14 Correct 83 ms 162132 KB Output is correct
15 Correct 76 ms 150356 KB Output is correct
16 Correct 131 ms 160172 KB Output is correct
17 Correct 125 ms 160772 KB Output is correct
18 Correct 161 ms 160696 KB Output is correct
19 Correct 123 ms 164024 KB Output is correct
20 Correct 131 ms 164852 KB Output is correct
21 Correct 129 ms 165560 KB Output is correct
22 Correct 133 ms 164700 KB Output is correct
23 Correct 128 ms 168380 KB Output is correct
24 Correct 134 ms 167048 KB Output is correct
25 Correct 133 ms 165728 KB Output is correct
26 Correct 131 ms 166616 KB Output is correct
27 Correct 130 ms 166668 KB Output is correct
28 Correct 15 ms 105160 KB Output is correct
29 Correct 14 ms 105052 KB Output is correct
30 Correct 14 ms 105144 KB Output is correct
31 Correct 15 ms 105048 KB Output is correct
32 Correct 15 ms 105164 KB Output is correct
33 Correct 15 ms 105052 KB Output is correct
34 Correct 15 ms 105052 KB Output is correct
35 Correct 15 ms 105068 KB Output is correct
36 Correct 17 ms 105324 KB Output is correct
37 Correct 25 ms 126556 KB Output is correct
38 Correct 99 ms 159468 KB Output is correct
39 Correct 90 ms 158488 KB Output is correct
40 Correct 92 ms 159556 KB Output is correct
41 Correct 96 ms 157716 KB Output is correct
42 Correct 90 ms 159076 KB Output is correct
43 Correct 85 ms 153936 KB Output is correct
44 Correct 95 ms 158792 KB Output is correct
45 Correct 90 ms 158548 KB Output is correct
46 Correct 81 ms 163808 KB Output is correct
47 Correct 93 ms 158804 KB Output is correct
48 Correct 29 ms 125016 KB Output is correct
49 Correct 153 ms 165816 KB Output is correct
50 Correct 144 ms 165780 KB Output is correct
51 Correct 163 ms 164624 KB Output is correct
52 Correct 157 ms 164544 KB Output is correct
53 Correct 143 ms 161708 KB Output is correct
54 Correct 117 ms 147956 KB Output is correct
55 Correct 161 ms 162740 KB Output is correct
56 Correct 154 ms 162748 KB Output is correct
57 Correct 140 ms 166804 KB Output is correct
58 Correct 154 ms 165440 KB Output is correct
59 Correct 74 ms 131920 KB Output is correct
60 Correct 158 ms 163028 KB Output is correct
61 Correct 159 ms 161664 KB Output is correct
62 Correct 167 ms 162280 KB Output is correct
63 Correct 222 ms 167608 KB Output is correct
64 Correct 16 ms 105300 KB Output is correct
65 Correct 14 ms 105048 KB Output is correct
66 Correct 14 ms 105052 KB Output is correct
67 Correct 15 ms 105304 KB Output is correct
68 Correct 15 ms 105052 KB Output is correct
69 Correct 16 ms 107356 KB Output is correct
70 Correct 15 ms 107352 KB Output is correct
71 Correct 17 ms 107352 KB Output is correct
72 Correct 15 ms 105048 KB Output is correct
73 Correct 16 ms 107624 KB Output is correct
74 Correct 142 ms 171416 KB Output is correct
75 Correct 99 ms 162128 KB Output is correct
76 Correct 89 ms 160844 KB Output is correct
77 Correct 96 ms 164948 KB Output is correct
78 Correct 97 ms 166976 KB Output is correct
79 Correct 84 ms 157268 KB Output is correct
80 Correct 105 ms 168272 KB Output is correct
81 Correct 129 ms 178260 KB Output is correct
82 Correct 149 ms 180268 KB Output is correct
83 Correct 161 ms 187328 KB Output is correct
84 Correct 84 ms 162388 KB Output is correct
85 Correct 143 ms 181584 KB Output is correct
86 Correct 61 ms 138244 KB Output is correct
87 Correct 166 ms 164544 KB Output is correct
88 Correct 154 ms 164536 KB Output is correct
89 Correct 184 ms 165992 KB Output is correct
90 Correct 151 ms 170744 KB Output is correct
91 Correct 158 ms 166964 KB Output is correct
92 Correct 159 ms 167460 KB Output is correct
93 Correct 192 ms 180236 KB Output is correct
94 Correct 227 ms 182580 KB Output is correct
95 Correct 220 ms 191060 KB Output is correct
96 Correct 141 ms 167124 KB Output is correct
97 Correct 172 ms 174868 KB Output is correct