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Submission #291385

# Submission time Handle Problem Language Result Execution time Memory
291385 2020-09-05T08:44:07 Z muhammad_hokimiyon Swapping Cities (APIO20_swap) C++14
53 / 100
 528 ms 524288 KB 
#include "swap.h"

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define ll long long

int tim;
int p[300200];
int s[300200];
int su[300200];
int t1[300200];
int t2[300200];
int tin[300200];
int tout[300200];
int st;
int cnt[300200];
int up[300200][25];
int can[300200][25];
vector < int > v[300200];

int get2( int x )
{
    return (p[x] == x ? x : p[x] = get2(p[x]));
}

void merg( int x , int y , int w )
{
    cnt[x] += 1 , cnt[y] += 1;
    int px = get2( x );
    int py = get2( y );
    su[st] = w;
    if( cnt[x] >= 3 || cnt[y] >= 3 )t1[st] = 1;
    if( px == py ){
        v[st].push_back(px);
        t1[st] |= t1[px];
        t2[st] = t2[px] + 1;
        s[st] = s[px];
        p[px] = st;
    }else{
        t2[st] = t2[px] + t2[py] + 1;
        s[st] = s[px] + s[py];
        t1[st] |= (t1[px] | t1[py]);
        v[st].push_back(px);
        v[st].push_back(py);
        p[py] = st;
        p[px] = st;
    }
    st += 1;
}

void dfs( int x , int p )
{
    tin[x] = ++tim;
    up[x][0] = p;
    if( t2[x] >= s[x] ){
        t2[x] = 1;
    }else t2[x] = 0;
    can[x][0] = (t1[p] | t2[p]);
    for( int i = 1; i < 25; i++ ){
        up[x][i] = up[up[x][i - 1]][i - 1];
        can[x][i] = (can[x][i - 1] | can[up[x][i - 1]][i - 1]);
    }
    for( auto y : v[x] ){
        if( y == p )continue;
        dfs( y , x );
    }
    tout[x] = tim;
}

bool upper( int x , int y )
{
    return (tin[x] <= tin[y] && tout[y] <= tout[x]);
}

void init(int N, int M, vector<int> U, vector<int> V, vector<int> W)
{
    st = N;
    vector < int > ord;
    for( int i = 0; i < M; i++ ){
        ord.push_back(i);
    }
    for( int i = 0; i < 200200; i++ ){
        p[i] = i;
        s[i] = 1;
    }
    sort( ord.begin() , ord.end() , [&](int i , int j){
        return W[i] < W[j];
    });
    for( int i = 0; i < M; i++ ){
        merg( U[ord[i]] , V[ord[i]] , W[ord[i]] );
    }
    st -= 1;
    dfs( st , st );
}

int get( int x , int y )
{
    if( upper( x , y ) )return x;
    if( upper( y , x ) )return y;
    for( int i = 24; i >= 0; i-- ){
        if( !upper( up[x][i] , y ) ){
            x = up[x][i];
        }
    }
    return up[x][0];
}

int get1( int x )
{
    for( int i = 24; i >= 0; i-- ){
        if( !can[x][i] ){
            x = up[x][i];
        }
    }
    return up[x][0];
}

int getMinimumFuelCapacity(int X, int Y)
{
    if( (t1[st] | t2[st]) == 0 ){
        return -1;
    }
    int f = get( X , Y );
    if( (t1[f] | t2[f]) ){
        return su[f];
    }else{
        return su[get1( f )];
    }
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 6 ms 8960 KB Output is correct
4 Correct 7 ms 9216 KB Output is correct
5 Correct 7 ms 9472 KB Output is correct
6 Correct 8 ms 9472 KB Output is correct
7 Correct 8 ms 9472 KB Output is correct
8 Correct 7 ms 9472 KB Output is correct
9 Correct 150 ms 47088 KB Output is correct
10 Correct 181 ms 55660 KB Output is correct
11 Correct 185 ms 54768 KB Output is correct
12 Correct 193 ms 57456 KB Output is correct
13 Correct 216 ms 60016 KB Output is correct
14 Correct 155 ms 47216 KB Output is correct
15 Correct 263 ms 57616 KB Output is correct
16 Correct 260 ms 56176 KB Output is correct
17 Correct 267 ms 59200 KB Output is correct
18 Correct 290 ms 61424 KB Output is correct
19 Correct 146 ms 20192 KB Output is correct
20 Correct 336 ms 58732 KB Output is correct
21 Correct 339 ms 57196 KB Output is correct
22 Correct 357 ms 60492 KB Output is correct
23 Correct 528 ms 62704 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 425 ms 62236 KB Output is correct
4 Correct 412 ms 64720 KB Output is correct
5 Correct 422 ms 62988 KB Output is correct
6 Correct 413 ms 64476 KB Output is correct
7 Correct 450 ms 63904 KB Output is correct
8 Correct 430 ms 61612 KB Output is correct
9 Correct 418 ms 63468 KB Output is correct
10 Correct 413 ms 61116 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 6 ms 8960 KB Output is correct
4 Correct 6 ms 8960 KB Output is correct
5 Correct 7 ms 9216 KB Output is correct
6 Correct 7 ms 9472 KB Output is correct
7 Correct 8 ms 9472 KB Output is correct
8 Correct 8 ms 9472 KB Output is correct
9 Correct 7 ms 9472 KB Output is correct
10 Correct 8 ms 9472 KB Output is correct
11 Correct 7 ms 9472 KB Output is correct
12 Correct 7 ms 9472 KB Output is correct
13 Correct 7 ms 9344 KB Output is correct
14 Correct 8 ms 9344 KB Output is correct
15 Correct 7 ms 9472 KB Output is correct
16 Correct 7 ms 9472 KB Output is correct
17 Correct 8 ms 9472 KB Output is correct
18 Correct 8 ms 9472 KB Output is correct
19 Correct 8 ms 9472 KB Output is correct
20 Correct 7 ms 9472 KB Output is correct
21 Correct 8 ms 9472 KB Output is correct
22 Correct 8 ms 9600 KB Output is correct
23 Correct 7 ms 9344 KB Output is correct
24 Correct 9 ms 9728 KB Output is correct
25 Correct 8 ms 9728 KB Output is correct
26 Correct 8 ms 9728 KB Output is correct
27 Correct 7 ms 9472 KB Output is correct
28 Correct 9 ms 9728 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 6 ms 8960 KB Output is correct
4 Correct 6 ms 8960 KB Output is correct
5 Correct 7 ms 9216 KB Output is correct
6 Correct 7 ms 9472 KB Output is correct
7 Correct 8 ms 9472 KB Output is correct
8 Correct 8 ms 9472 KB Output is correct
9 Correct 7 ms 9472 KB Output is correct
10 Correct 150 ms 47088 KB Output is correct
11 Correct 181 ms 55660 KB Output is correct
12 Correct 185 ms 54768 KB Output is correct
13 Correct 193 ms 57456 KB Output is correct
14 Correct 216 ms 60016 KB Output is correct
15 Correct 8 ms 9472 KB Output is correct
16 Correct 7 ms 9472 KB Output is correct
17 Correct 7 ms 9472 KB Output is correct
18 Correct 7 ms 9344 KB Output is correct
19 Correct 8 ms 9344 KB Output is correct
20 Correct 7 ms 9472 KB Output is correct
21 Correct 7 ms 9472 KB Output is correct
22 Correct 8 ms 9472 KB Output is correct
23 Correct 8 ms 9472 KB Output is correct
24 Correct 27 ms 15616 KB Output is correct
25 Correct 189 ms 57460 KB Output is correct
26 Correct 189 ms 57456 KB Output is correct
27 Correct 196 ms 57460 KB Output is correct
28 Correct 195 ms 56816 KB Output is correct
29 Correct 189 ms 56560 KB Output is correct
30 Correct 168 ms 52592 KB Output is correct
31 Correct 189 ms 57456 KB Output is correct
32 Correct 190 ms 57456 KB Output is correct
33 Correct 211 ms 60656 KB Output is correct
34 Correct 196 ms 57584 KB Output is correct
35 Correct 8 ms 9472 KB Output is correct
36 Correct 7 ms 9472 KB Output is correct
37 Correct 8 ms 9472 KB Output is correct
38 Correct 8 ms 9600 KB Output is correct
39 Correct 7 ms 9344 KB Output is correct
40 Correct 9 ms 9728 KB Output is correct
41 Correct 8 ms 9728 KB Output is correct
42 Correct 8 ms 9728 KB Output is correct
43 Correct 7 ms 9472 KB Output is correct
44 Correct 9 ms 9728 KB Output is correct
45 Runtime error 484 ms 524288 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 6 ms 8960 KB Output is correct
4 Correct 7 ms 9216 KB Output is correct
5 Correct 7 ms 9472 KB Output is correct
6 Correct 8 ms 9472 KB Output is correct
7 Correct 8 ms 9472 KB Output is correct
8 Correct 7 ms 9472 KB Output is correct
9 Correct 150 ms 47088 KB Output is correct
10 Correct 181 ms 55660 KB Output is correct
11 Correct 185 ms 54768 KB Output is correct
12 Correct 193 ms 57456 KB Output is correct
13 Correct 216 ms 60016 KB Output is correct
14 Correct 155 ms 47216 KB Output is correct
15 Correct 263 ms 57616 KB Output is correct
16 Correct 260 ms 56176 KB Output is correct
17 Correct 267 ms 59200 KB Output is correct
18 Correct 290 ms 61424 KB Output is correct
19 Correct 425 ms 62236 KB Output is correct
20 Correct 412 ms 64720 KB Output is correct
21 Correct 422 ms 62988 KB Output is correct
22 Correct 413 ms 64476 KB Output is correct
23 Correct 450 ms 63904 KB Output is correct
24 Correct 430 ms 61612 KB Output is correct
25 Correct 418 ms 63468 KB Output is correct
26 Correct 413 ms 61116 KB Output is correct
27 Correct 8 ms 9472 KB Output is correct
28 Correct 7 ms 9472 KB Output is correct
29 Correct 7 ms 9472 KB Output is correct
30 Correct 7 ms 9344 KB Output is correct
31 Correct 8 ms 9344 KB Output is correct
32 Correct 7 ms 9472 KB Output is correct
33 Correct 7 ms 9472 KB Output is correct
34 Correct 8 ms 9472 KB Output is correct
35 Correct 8 ms 9472 KB Output is correct
36 Correct 27 ms 15616 KB Output is correct
37 Correct 189 ms 57460 KB Output is correct
38 Correct 189 ms 57456 KB Output is correct
39 Correct 196 ms 57460 KB Output is correct
40 Correct 195 ms 56816 KB Output is correct
41 Correct 189 ms 56560 KB Output is correct
42 Correct 168 ms 52592 KB Output is correct
43 Correct 189 ms 57456 KB Output is correct
44 Correct 190 ms 57456 KB Output is correct
45 Correct 211 ms 60656 KB Output is correct
46 Correct 196 ms 57584 KB Output is correct
47 Correct 38 ms 15352 KB Output is correct
48 Correct 342 ms 59892 KB Output is correct
49 Correct 334 ms 59808 KB Output is correct
50 Correct 342 ms 59856 KB Output is correct
51 Correct 335 ms 59416 KB Output is correct
52 Correct 326 ms 56716 KB Output is correct
53 Correct 284 ms 44380 KB Output is correct
54 Correct 343 ms 60364 KB Output is correct
55 Correct 344 ms 59668 KB Output is correct
56 Correct 445 ms 62284 KB Output is correct
57 Correct 360 ms 60396 KB Output is correct

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8960 KB Output is correct
2 Correct 6 ms 8960 KB Output is correct
3 Correct 6 ms 8960 KB Output is correct
4 Correct 6 ms 8960 KB Output is correct
5 Correct 7 ms 9216 KB Output is correct
6 Correct 7 ms 9472 KB Output is correct
7 Correct 8 ms 9472 KB Output is correct
8 Correct 8 ms 9472 KB Output is correct
9 Correct 7 ms 9472 KB Output is correct
10 Correct 150 ms 47088 KB Output is correct
11 Correct 181 ms 55660 KB Output is correct
12 Correct 185 ms 54768 KB Output is correct
13 Correct 193 ms 57456 KB Output is correct
14 Correct 216 ms 60016 KB Output is correct
15 Correct 155 ms 47216 KB Output is correct
16 Correct 263 ms 57616 KB Output is correct
17 Correct 260 ms 56176 KB Output is correct
18 Correct 267 ms 59200 KB Output is correct
19 Correct 290 ms 61424 KB Output is correct
20 Correct 425 ms 62236 KB Output is correct
21 Correct 412 ms 64720 KB Output is correct
22 Correct 422 ms 62988 KB Output is correct
23 Correct 413 ms 64476 KB Output is correct
24 Correct 450 ms 63904 KB Output is correct
25 Correct 430 ms 61612 KB Output is correct
26 Correct 418 ms 63468 KB Output is correct
27 Correct 413 ms 61116 KB Output is correct
28 Correct 8 ms 9472 KB Output is correct
29 Correct 7 ms 9472 KB Output is correct
30 Correct 7 ms 9472 KB Output is correct
31 Correct 7 ms 9344 KB Output is correct
32 Correct 8 ms 9344 KB Output is correct
33 Correct 7 ms 9472 KB Output is correct
34 Correct 7 ms 9472 KB Output is correct
35 Correct 8 ms 9472 KB Output is correct
36 Correct 8 ms 9472 KB Output is correct
37 Correct 27 ms 15616 KB Output is correct
38 Correct 189 ms 57460 KB Output is correct
39 Correct 189 ms 57456 KB Output is correct
40 Correct 196 ms 57460 KB Output is correct
41 Correct 195 ms 56816 KB Output is correct
42 Correct 189 ms 56560 KB Output is correct
43 Correct 168 ms 52592 KB Output is correct
44 Correct 189 ms 57456 KB Output is correct
45 Correct 190 ms 57456 KB Output is correct
46 Correct 211 ms 60656 KB Output is correct
47 Correct 196 ms 57584 KB Output is correct
48 Correct 38 ms 15352 KB Output is correct
49 Correct 342 ms 59892 KB Output is correct
50 Correct 334 ms 59808 KB Output is correct
51 Correct 342 ms 59856 KB Output is correct
52 Correct 335 ms 59416 KB Output is correct
53 Correct 326 ms 56716 KB Output is correct
54 Correct 284 ms 44380 KB Output is correct
55 Correct 343 ms 60364 KB Output is correct
56 Correct 344 ms 59668 KB Output is correct
57 Correct 445 ms 62284 KB Output is correct
58 Correct 360 ms 60396 KB Output is correct
59 Correct 146 ms 20192 KB Output is correct
60 Correct 336 ms 58732 KB Output is correct
61 Correct 339 ms 57196 KB Output is correct
62 Correct 357 ms 60492 KB Output is correct
63 Correct 528 ms 62704 KB Output is correct
64 Correct 8 ms 9472 KB Output is correct
65 Correct 7 ms 9472 KB Output is correct
66 Correct 8 ms 9472 KB Output is correct
67 Correct 8 ms 9600 KB Output is correct
68 Correct 7 ms 9344 KB Output is correct
69 Correct 9 ms 9728 KB Output is correct
70 Correct 8 ms 9728 KB Output is correct
71 Correct 8 ms 9728 KB Output is correct
72 Correct 7 ms 9472 KB Output is correct
73 Correct 9 ms 9728 KB Output is correct
74 Runtime error 484 ms 524288 KB Execution killed with signal 9
75 Halted 0 ms 0 KB -