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Submission #974012

# Submission time Handle Problem Language Result Execution time Memory
974012 2024-05-02T15:09:54 Z bachhoangxuan Swapping Cities (APIO20_swap) C++17
100 / 100
 142 ms 16208 KB 
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
const int inf = 2e9;
const int maxn = 2e5+5;
int a[maxn],c[maxn],d[maxn],p[maxn];

int findpar(int u){
    return (p[u]<0?u:findpar(p[u]));
}
void unions(int u,int v,int w,bool e){
    u=findpar(u);v=findpar(v);
    if(u==v) c[u]=min(c[u],w);
    else{
        if(p[u]>p[v]) swap(u,v);
        p[u]+=p[v];p[v]=u;a[v]=w;
        c[u]=min(c[u],max(w,e?0:c[v]));
    }
}

void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    for(int i=0;i<N;i++) p[i]=-1,a[i]=c[i]=inf;
    vector<int> ord(M);
    iota(ord.begin(),ord.end(),0);
    sort(ord.begin(),ord.end(),[&](int x,int y){
        return W[x]<W[y];
    });
    for(int i:ord){
        d[U[i]]++;d[V[i]]++;
        unions(U[i],V[i],W[i],(d[U[i]]>=3 || d[V[i]]>=3));
    }
}

int getMinimumFuelCapacity(int u, int v) {
    int w=-1;
    while(u!=v){
        if(a[u]<a[v]) w=a[u],u=p[u];
        else w=a[v],v=p[v];
    }
    while(u>=0){
        if(c[u]!=inf) return max(w,c[u]);
        w=a[u];u=p[u];
    }
    return -1;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 28 ms 6576 KB Output is correct
10 Correct 34 ms 7248 KB Output is correct
11 Correct 43 ms 7252 KB Output is correct
12 Correct 34 ms 7768 KB Output is correct
13 Correct 33 ms 7844 KB Output is correct
14 Correct 32 ms 6996 KB Output is correct
15 Correct 92 ms 10824 KB Output is correct
16 Correct 102 ms 10656 KB Output is correct
17 Correct 100 ms 11296 KB Output is correct
18 Correct 79 ms 11092 KB Output is correct
19 Correct 52 ms 8156 KB Output is correct
20 Correct 91 ms 11604 KB Output is correct
21 Correct 97 ms 11856 KB Output is correct
22 Correct 97 ms 12180 KB Output is correct
23 Correct 84 ms 12188 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 76 ms 11172 KB Output is correct
4 Correct 76 ms 12084 KB Output is correct
5 Correct 91 ms 12404 KB Output is correct
6 Correct 90 ms 11932 KB Output is correct
7 Correct 76 ms 12200 KB Output is correct
8 Correct 80 ms 12176 KB Output is correct
9 Correct 77 ms 12116 KB Output is correct
10 Correct 76 ms 11956 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2500 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2500 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 28 ms 6576 KB Output is correct
11 Correct 34 ms 7248 KB Output is correct
12 Correct 43 ms 7252 KB Output is correct
13 Correct 34 ms 7768 KB Output is correct
14 Correct 33 ms 7844 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2500 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2500 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 5 ms 3164 KB Output is correct
35 Correct 34 ms 7648 KB Output is correct
36 Correct 33 ms 7508 KB Output is correct
37 Correct 33 ms 7504 KB Output is correct
38 Correct 32 ms 7504 KB Output is correct
39 Correct 34 ms 7504 KB Output is correct
40 Correct 32 ms 7128 KB Output is correct
41 Correct 33 ms 7888 KB Output is correct
42 Correct 33 ms 7516 KB Output is correct
43 Correct 32 ms 7516 KB Output is correct
44 Correct 34 ms 7772 KB Output is correct
45 Correct 51 ms 10104 KB Output is correct
46 Correct 37 ms 7504 KB Output is correct
47 Correct 32 ms 7504 KB Output is correct
48 Correct 37 ms 7876 KB Output is correct
49 Correct 52 ms 9568 KB Output is correct
50 Correct 48 ms 8016 KB Output is correct
51 Correct 50 ms 9140 KB Output is correct
52 Correct 57 ms 10832 KB Output is correct
53 Correct 72 ms 11692 KB Output is correct
54 Correct 72 ms 12480 KB Output is correct
55 Correct 32 ms 7516 KB Output is correct
56 Correct 62 ms 11560 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 28 ms 6576 KB Output is correct
10 Correct 34 ms 7248 KB Output is correct
11 Correct 43 ms 7252 KB Output is correct
12 Correct 34 ms 7768 KB Output is correct
13 Correct 33 ms 7844 KB Output is correct
14 Correct 32 ms 6996 KB Output is correct
15 Correct 92 ms 10824 KB Output is correct
16 Correct 102 ms 10656 KB Output is correct
17 Correct 100 ms 11296 KB Output is correct
18 Correct 79 ms 11092 KB Output is correct
19 Correct 76 ms 11172 KB Output is correct
20 Correct 76 ms 12084 KB Output is correct
21 Correct 91 ms 12404 KB Output is correct
22 Correct 90 ms 11932 KB Output is correct
23 Correct 76 ms 12200 KB Output is correct
24 Correct 80 ms 12176 KB Output is correct
25 Correct 77 ms 12116 KB Output is correct
26 Correct 76 ms 11956 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2500 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2392 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 5 ms 3164 KB Output is correct
37 Correct 34 ms 7648 KB Output is correct
38 Correct 33 ms 7508 KB Output is correct
39 Correct 33 ms 7504 KB Output is correct
40 Correct 32 ms 7504 KB Output is correct
41 Correct 34 ms 7504 KB Output is correct
42 Correct 32 ms 7128 KB Output is correct
43 Correct 33 ms 7888 KB Output is correct
44 Correct 33 ms 7516 KB Output is correct
45 Correct 32 ms 7516 KB Output is correct
46 Correct 34 ms 7772 KB Output is correct
47 Correct 10 ms 3608 KB Output is correct
48 Correct 97 ms 11972 KB Output is correct
49 Correct 92 ms 11944 KB Output is correct
50 Correct 117 ms 12104 KB Output is correct
51 Correct 91 ms 11884 KB Output is correct
52 Correct 88 ms 11764 KB Output is correct
53 Correct 82 ms 11708 KB Output is correct
54 Correct 106 ms 12924 KB Output is correct
55 Correct 95 ms 12100 KB Output is correct
56 Correct 80 ms 11964 KB Output is correct
57 Correct 92 ms 12956 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 28 ms 6576 KB Output is correct
11 Correct 34 ms 7248 KB Output is correct
12 Correct 43 ms 7252 KB Output is correct
13 Correct 34 ms 7768 KB Output is correct
14 Correct 33 ms 7844 KB Output is correct
15 Correct 32 ms 6996 KB Output is correct
16 Correct 92 ms 10824 KB Output is correct
17 Correct 102 ms 10656 KB Output is correct
18 Correct 100 ms 11296 KB Output is correct
19 Correct 79 ms 11092 KB Output is correct
20 Correct 76 ms 11172 KB Output is correct
21 Correct 76 ms 12084 KB Output is correct
22 Correct 91 ms 12404 KB Output is correct
23 Correct 90 ms 11932 KB Output is correct
24 Correct 76 ms 12200 KB Output is correct
25 Correct 80 ms 12176 KB Output is correct
26 Correct 77 ms 12116 KB Output is correct
27 Correct 76 ms 11956 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2500 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2392 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 5 ms 3164 KB Output is correct
38 Correct 34 ms 7648 KB Output is correct
39 Correct 33 ms 7508 KB Output is correct
40 Correct 33 ms 7504 KB Output is correct
41 Correct 32 ms 7504 KB Output is correct
42 Correct 34 ms 7504 KB Output is correct
43 Correct 32 ms 7128 KB Output is correct
44 Correct 33 ms 7888 KB Output is correct
45 Correct 33 ms 7516 KB Output is correct
46 Correct 32 ms 7516 KB Output is correct
47 Correct 34 ms 7772 KB Output is correct
48 Correct 10 ms 3608 KB Output is correct
49 Correct 97 ms 11972 KB Output is correct
50 Correct 92 ms 11944 KB Output is correct
51 Correct 117 ms 12104 KB Output is correct
52 Correct 91 ms 11884 KB Output is correct
53 Correct 88 ms 11764 KB Output is correct
54 Correct 82 ms 11708 KB Output is correct
55 Correct 106 ms 12924 KB Output is correct
56 Correct 95 ms 12100 KB Output is correct
57 Correct 80 ms 11964 KB Output is correct
58 Correct 92 ms 12956 KB Output is correct
59 Correct 52 ms 8156 KB Output is correct
60 Correct 91 ms 11604 KB Output is correct
61 Correct 97 ms 11856 KB Output is correct
62 Correct 97 ms 12180 KB Output is correct
63 Correct 84 ms 12188 KB Output is correct
64 Correct 1 ms 2500 KB Output is correct
65 Correct 1 ms 2392 KB Output is correct
66 Correct 1 ms 2396 KB Output is correct
67 Correct 1 ms 2396 KB Output is correct
68 Correct 1 ms 2392 KB Output is correct
69 Correct 1 ms 2396 KB Output is correct
70 Correct 1 ms 2396 KB Output is correct
71 Correct 1 ms 2396 KB Output is correct
72 Correct 1 ms 2396 KB Output is correct
73 Correct 1 ms 2396 KB Output is correct
74 Correct 51 ms 10104 KB Output is correct
75 Correct 37 ms 7504 KB Output is correct
76 Correct 32 ms 7504 KB Output is correct
77 Correct 37 ms 7876 KB Output is correct
78 Correct 52 ms 9568 KB Output is correct
79 Correct 48 ms 8016 KB Output is correct
80 Correct 50 ms 9140 KB Output is correct
81 Correct 57 ms 10832 KB Output is correct
82 Correct 72 ms 11692 KB Output is correct
83 Correct 72 ms 12480 KB Output is correct
84 Correct 32 ms 7516 KB Output is correct
85 Correct 62 ms 11560 KB Output is correct
86 Correct 31 ms 6024 KB Output is correct
87 Correct 93 ms 12076 KB Output is correct
88 Correct 92 ms 12076 KB Output is correct
89 Correct 87 ms 12212 KB Output is correct
90 Correct 106 ms 13136 KB Output is correct
91 Correct 101 ms 13288 KB Output is correct
92 Correct 96 ms 13372 KB Output is correct
93 Correct 120 ms 15068 KB Output is correct
94 Correct 124 ms 15488 KB Output is correct
95 Correct 142 ms 16208 KB Output is correct
96 Correct 83 ms 12088 KB Output is correct
97 Correct 105 ms 14100 KB Output is correct