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Submission #597750

# Submission time Handle Problem Language Result Execution time Memory
597750 2022-07-16T19:14:10 Z Ozy Swapping Cities (APIO20_swap) C++17
100 / 100
 199 ms 19260 KB 
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)
#define repa(i,a,b) for (int i = (a); i >= (b); i--)
#define lli long long int
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

#define MAX 100000
#define w first
#define u second.first
#define v second.second

struct x{
    lli padre;
    lli flag;
    lli prof;
    lli val;
    lli l;
    lli r;
};

lli dis[MAX+2];
lli n,m,a,b,res;
vector< pair<lli, pair<lli,lli> > >  orden;
x uf[MAX+2];

lli dfs(lli pos) {
    if (dis[pos] > 0) return dis[pos]+1;
    if (uf[pos].padre == pos) {
        dis[pos] = 1;
        return 2;
    }
    dis[pos] = dfs(uf[pos].padre);
    return dis[pos]+1;
}

void init(int N, int M,std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n = N;
    m = M;

    rep(i,0,m-1) orden.push_back({W[i], {U[i]+1,V[i]+1} });
    sort(orden.begin(), orden.end());

    rep(i,1,n) uf[i] = {i,0,1,0,i,i};

    for (auto act : orden) {

        a = uf[act.u].padre;
        while (a != uf[a].padre) a = uf[a].padre;
        b = uf[act.v].padre;
        while (b != uf[b].padre) b = uf[b].padre;

        if (a == b) {
            if (uf[a].flag) continue;
            uf[a].flag = act.w;
        }
        else {

            if (uf[b].prof > uf[a].prof) {
                swap(a,b);
                swap(act.u, act.v);
            }

            uf[b].val = act.w;
            uf[b].padre = a;
            if (uf[b].prof == uf[a].prof) uf[a].prof++;

            if (uf[a].flag) continue;

            if (uf[b].flag) uf[a].flag = act.w;
            else {

                if (uf[a].l == act.u && uf[b].l == act.v) uf[a].l = uf[b].r;
                else if (uf[a].l == act.u && uf[b].r == act.v) uf[a].l = uf[b].l;
                else if (uf[a].r == act.u && uf[b].l == act.v) uf[a].r = uf[b].r;
                else if (uf[a].r == act.u && uf[b].r == act.v) uf[a].r = uf[b].l;
                else {
                     uf[a].flag = act.w;
                }

            }


        }

    }

    rep(i,1,n) if (dis[i] == 0) {
        if (uf[i].padre == i) dis[i] = 1;
        else dis[i] = dfs(uf[i].padre);
    }
}

int getMinimumFuelCapacity(int X, int Y) {
    X++;
    Y++;

    if (dis[X] < dis[Y]) swap(X,Y);
    a = dis[X] - dis[Y];

    res = -1;
    rep(i,1,a) {
        res = max(res,uf[X].val);
        X = uf[X].padre;
    }

    while (X != Y) {
        res = max(res,uf[X].val);
        X = uf[X].padre;
        res = max(res,uf[Y].val);
        Y = uf[Y].padre;
    }

    while (uf[X].flag == 0) {
        res = max(res,uf[X].val);
        if (X != uf[X].padre) X = uf[X].padre;
        else return -1;
    }

    res = max(res,uf[X].flag);
    return res;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 452 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 47 ms 8508 KB Output is correct
10 Correct 49 ms 10248 KB Output is correct
11 Correct 47 ms 10092 KB Output is correct
12 Correct 49 ms 10696 KB Output is correct
13 Correct 46 ms 10652 KB Output is correct
14 Correct 47 ms 8636 KB Output is correct
15 Correct 137 ms 11996 KB Output is correct
16 Correct 136 ms 11812 KB Output is correct
17 Correct 122 ms 12388 KB Output is correct
18 Correct 141 ms 12328 KB Output is correct
19 Correct 79 ms 5580 KB Output is correct
20 Correct 122 ms 13132 KB Output is correct
21 Correct 134 ms 13120 KB Output is correct
22 Correct 134 ms 13696 KB Output is correct
23 Correct 106 ms 13860 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 108 ms 13156 KB Output is correct
4 Correct 101 ms 13476 KB Output is correct
5 Correct 108 ms 13596 KB Output is correct
6 Correct 99 ms 13364 KB Output is correct
7 Correct 102 ms 13624 KB Output is correct
8 Correct 105 ms 13188 KB Output is correct
9 Correct 105 ms 13352 KB Output is correct
10 Correct 101 ms 13060 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 452 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 456 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 448 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 320 KB Output is correct
20 Correct 2 ms 448 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 452 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 448 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 2 ms 468 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 47 ms 8508 KB Output is correct
11 Correct 49 ms 10248 KB Output is correct
12 Correct 47 ms 10092 KB Output is correct
13 Correct 49 ms 10696 KB Output is correct
14 Correct 46 ms 10652 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 456 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 448 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 320 KB Output is correct
25 Correct 2 ms 448 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 2 ms 452 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 448 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 448 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 9 ms 2000 KB Output is correct
35 Correct 61 ms 12060 KB Output is correct
36 Correct 51 ms 12084 KB Output is correct
37 Correct 48 ms 12336 KB Output is correct
38 Correct 52 ms 12200 KB Output is correct
39 Correct 45 ms 12188 KB Output is correct
40 Correct 43 ms 11212 KB Output is correct
41 Correct 49 ms 12712 KB Output is correct
42 Correct 48 ms 12344 KB Output is correct
43 Correct 51 ms 12336 KB Output is correct
44 Correct 52 ms 12720 KB Output is correct
45 Correct 70 ms 14676 KB Output is correct
46 Correct 54 ms 12328 KB Output is correct
47 Correct 47 ms 12408 KB Output is correct
48 Correct 60 ms 12984 KB Output is correct
49 Correct 64 ms 13056 KB Output is correct
50 Correct 50 ms 8764 KB Output is correct
51 Correct 58 ms 12632 KB Output is correct
52 Correct 81 ms 15940 KB Output is correct
53 Correct 82 ms 16700 KB Output is correct
54 Correct 101 ms 17692 KB Output is correct
55 Correct 59 ms 12356 KB Output is correct
56 Correct 80 ms 16368 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 452 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 47 ms 8508 KB Output is correct
10 Correct 49 ms 10248 KB Output is correct
11 Correct 47 ms 10092 KB Output is correct
12 Correct 49 ms 10696 KB Output is correct
13 Correct 46 ms 10652 KB Output is correct
14 Correct 47 ms 8636 KB Output is correct
15 Correct 137 ms 11996 KB Output is correct
16 Correct 136 ms 11812 KB Output is correct
17 Correct 122 ms 12388 KB Output is correct
18 Correct 141 ms 12328 KB Output is correct
19 Correct 108 ms 13156 KB Output is correct
20 Correct 101 ms 13476 KB Output is correct
21 Correct 108 ms 13596 KB Output is correct
22 Correct 99 ms 13364 KB Output is correct
23 Correct 102 ms 13624 KB Output is correct
24 Correct 105 ms 13188 KB Output is correct
25 Correct 105 ms 13352 KB Output is correct
26 Correct 101 ms 13060 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 456 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 448 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 9 ms 2000 KB Output is correct
37 Correct 61 ms 12060 KB Output is correct
38 Correct 51 ms 12084 KB Output is correct
39 Correct 48 ms 12336 KB Output is correct
40 Correct 52 ms 12200 KB Output is correct
41 Correct 45 ms 12188 KB Output is correct
42 Correct 43 ms 11212 KB Output is correct
43 Correct 49 ms 12712 KB Output is correct
44 Correct 48 ms 12344 KB Output is correct
45 Correct 51 ms 12336 KB Output is correct
46 Correct 52 ms 12720 KB Output is correct
47 Correct 12 ms 2376 KB Output is correct
48 Correct 117 ms 15364 KB Output is correct
49 Correct 128 ms 15496 KB Output is correct
50 Correct 122 ms 15464 KB Output is correct
51 Correct 121 ms 15368 KB Output is correct
52 Correct 130 ms 14880 KB Output is correct
53 Correct 100 ms 13096 KB Output is correct
54 Correct 121 ms 16056 KB Output is correct
55 Correct 140 ms 15492 KB Output is correct
56 Correct 98 ms 15424 KB Output is correct
57 Correct 121 ms 16052 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 47 ms 8508 KB Output is correct
11 Correct 49 ms 10248 KB Output is correct
12 Correct 47 ms 10092 KB Output is correct
13 Correct 49 ms 10696 KB Output is correct
14 Correct 46 ms 10652 KB Output is correct
15 Correct 47 ms 8636 KB Output is correct
16 Correct 137 ms 11996 KB Output is correct
17 Correct 136 ms 11812 KB Output is correct
18 Correct 122 ms 12388 KB Output is correct
19 Correct 141 ms 12328 KB Output is correct
20 Correct 108 ms 13156 KB Output is correct
21 Correct 101 ms 13476 KB Output is correct
22 Correct 108 ms 13596 KB Output is correct
23 Correct 99 ms 13364 KB Output is correct
24 Correct 102 ms 13624 KB Output is correct
25 Correct 105 ms 13188 KB Output is correct
26 Correct 105 ms 13352 KB Output is correct
27 Correct 101 ms 13060 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 456 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 448 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 9 ms 2000 KB Output is correct
38 Correct 61 ms 12060 KB Output is correct
39 Correct 51 ms 12084 KB Output is correct
40 Correct 48 ms 12336 KB Output is correct
41 Correct 52 ms 12200 KB Output is correct
42 Correct 45 ms 12188 KB Output is correct
43 Correct 43 ms 11212 KB Output is correct
44 Correct 49 ms 12712 KB Output is correct
45 Correct 48 ms 12344 KB Output is correct
46 Correct 51 ms 12336 KB Output is correct
47 Correct 52 ms 12720 KB Output is correct
48 Correct 12 ms 2376 KB Output is correct
49 Correct 117 ms 15364 KB Output is correct
50 Correct 128 ms 15496 KB Output is correct
51 Correct 122 ms 15464 KB Output is correct
52 Correct 121 ms 15368 KB Output is correct
53 Correct 130 ms 14880 KB Output is correct
54 Correct 100 ms 13096 KB Output is correct
55 Correct 121 ms 16056 KB Output is correct
56 Correct 140 ms 15492 KB Output is correct
57 Correct 98 ms 15424 KB Output is correct
58 Correct 121 ms 16052 KB Output is correct
59 Correct 79 ms 5580 KB Output is correct
60 Correct 122 ms 13132 KB Output is correct
61 Correct 134 ms 13120 KB Output is correct
62 Correct 134 ms 13696 KB Output is correct
63 Correct 106 ms 13860 KB Output is correct
64 Correct 2 ms 320 KB Output is correct
65 Correct 2 ms 448 KB Output is correct
66 Correct 1 ms 468 KB Output is correct
67 Correct 2 ms 452 KB Output is correct
68 Correct 2 ms 340 KB Output is correct
69 Correct 2 ms 448 KB Output is correct
70 Correct 2 ms 468 KB Output is correct
71 Correct 2 ms 468 KB Output is correct
72 Correct 1 ms 448 KB Output is correct
73 Correct 2 ms 468 KB Output is correct
74 Correct 70 ms 14676 KB Output is correct
75 Correct 54 ms 12328 KB Output is correct
76 Correct 47 ms 12408 KB Output is correct
77 Correct 60 ms 12984 KB Output is correct
78 Correct 64 ms 13056 KB Output is correct
79 Correct 50 ms 8764 KB Output is correct
80 Correct 58 ms 12632 KB Output is correct
81 Correct 81 ms 15940 KB Output is correct
82 Correct 82 ms 16700 KB Output is correct
83 Correct 101 ms 17692 KB Output is correct
84 Correct 59 ms 12356 KB Output is correct
85 Correct 80 ms 16368 KB Output is correct
86 Correct 38 ms 6456 KB Output is correct
87 Correct 135 ms 15488 KB Output is correct
88 Correct 111 ms 15388 KB Output is correct
89 Correct 122 ms 15112 KB Output is correct
90 Correct 144 ms 14404 KB Output is correct
91 Correct 119 ms 14108 KB Output is correct
92 Correct 120 ms 14856 KB Output is correct
93 Correct 160 ms 18060 KB Output is correct
94 Correct 140 ms 18736 KB Output is correct
95 Correct 199 ms 19260 KB Output is correct
96 Correct 108 ms 15512 KB Output is correct
97 Correct 123 ms 17276 KB Output is correct