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Submission #291386

# Submission time Handle Problem Language Result Execution time Memory
291386 2020-09-05T08:46:33 Z muhammad_hokimiyon Swapping Cities (APIO20_swap) C++14
100 / 100
 552 ms 87404 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][23];
int can[300200][23];
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 < 23; 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 < 300200; 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 = 22; i >= 0; i-- ){
        if( !upper( up[x][i] , y ) ){
            x = up[x][i];
        }
    }
    return up[x][0];
}

int get1( int x )
{
    for( int i = 22; 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 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9984 KB Output is correct
5 Correct 8 ms 10240 KB Output is correct
6 Correct 8 ms 10112 KB Output is correct
7 Correct 8 ms 10240 KB Output is correct
8 Correct 8 ms 10240 KB Output is correct
9 Correct 141 ms 45424 KB Output is correct
10 Correct 178 ms 53364 KB Output is correct
11 Correct 179 ms 52848 KB Output is correct
12 Correct 184 ms 55152 KB Output is correct
13 Correct 210 ms 57456 KB Output is correct
14 Correct 154 ms 45552 KB Output is correct
15 Correct 247 ms 55408 KB Output is correct
16 Correct 246 ms 53996 KB Output is correct
17 Correct 262 ms 56816 KB Output is correct
18 Correct 276 ms 59120 KB Output is correct
19 Correct 131 ms 20472 KB Output is correct
20 Correct 319 ms 56428 KB Output is correct
21 Correct 327 ms 54972 KB Output is correct
22 Correct 340 ms 58060 KB Output is correct
23 Correct 503 ms 60492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 398 ms 59904 KB Output is correct
4 Correct 401 ms 62284 KB Output is correct
5 Correct 408 ms 60712 KB Output is correct
6 Correct 404 ms 61944 KB Output is correct
7 Correct 419 ms 61420 KB Output is correct
8 Correct 404 ms 59372 KB Output is correct
9 Correct 406 ms 61144 KB Output is correct
10 Correct 407 ms 58940 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9984 KB Output is correct
6 Correct 8 ms 10240 KB Output is correct
7 Correct 8 ms 10112 KB Output is correct
8 Correct 8 ms 10240 KB Output is correct
9 Correct 8 ms 10240 KB Output is correct
10 Correct 8 ms 10240 KB Output is correct
11 Correct 8 ms 10240 KB Output is correct
12 Correct 8 ms 10240 KB Output is correct
13 Correct 8 ms 10112 KB Output is correct
14 Correct 8 ms 10112 KB Output is correct
15 Correct 8 ms 10240 KB Output is correct
16 Correct 8 ms 10240 KB Output is correct
17 Correct 8 ms 10240 KB Output is correct
18 Correct 8 ms 10240 KB Output is correct
19 Correct 8 ms 10112 KB Output is correct
20 Correct 8 ms 10240 KB Output is correct
21 Correct 8 ms 10240 KB Output is correct
22 Correct 8 ms 10368 KB Output is correct
23 Correct 8 ms 10112 KB Output is correct
24 Correct 9 ms 10624 KB Output is correct
25 Correct 11 ms 10496 KB Output is correct
26 Correct 9 ms 10496 KB Output is correct
27 Correct 8 ms 10240 KB Output is correct
28 Correct 9 ms 10496 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9984 KB Output is correct
6 Correct 8 ms 10240 KB Output is correct
7 Correct 8 ms 10112 KB Output is correct
8 Correct 8 ms 10240 KB Output is correct
9 Correct 8 ms 10240 KB Output is correct
10 Correct 141 ms 45424 KB Output is correct
11 Correct 178 ms 53364 KB Output is correct
12 Correct 179 ms 52848 KB Output is correct
13 Correct 184 ms 55152 KB Output is correct
14 Correct 210 ms 57456 KB Output is correct
15 Correct 8 ms 10240 KB Output is correct
16 Correct 8 ms 10240 KB Output is correct
17 Correct 8 ms 10240 KB Output is correct
18 Correct 8 ms 10112 KB Output is correct
19 Correct 8 ms 10112 KB Output is correct
20 Correct 8 ms 10240 KB Output is correct
21 Correct 8 ms 10240 KB Output is correct
22 Correct 8 ms 10240 KB Output is correct
23 Correct 8 ms 10240 KB Output is correct
24 Correct 28 ms 16000 KB Output is correct
25 Correct 180 ms 55152 KB Output is correct
26 Correct 182 ms 55152 KB Output is correct
27 Correct 178 ms 55152 KB Output is correct
28 Correct 178 ms 54512 KB Output is correct
29 Correct 182 ms 54256 KB Output is correct
30 Correct 161 ms 50596 KB Output is correct
31 Correct 181 ms 55152 KB Output is correct
32 Correct 184 ms 55152 KB Output is correct
33 Correct 200 ms 58300 KB Output is correct
34 Correct 190 ms 55152 KB Output is correct
35 Correct 8 ms 10112 KB Output is correct
36 Correct 8 ms 10240 KB Output is correct
37 Correct 8 ms 10240 KB Output is correct
38 Correct 8 ms 10368 KB Output is correct
39 Correct 8 ms 10112 KB Output is correct
40 Correct 9 ms 10624 KB Output is correct
41 Correct 11 ms 10496 KB Output is correct
42 Correct 9 ms 10496 KB Output is correct
43 Correct 8 ms 10240 KB Output is correct
44 Correct 9 ms 10496 KB Output is correct
45 Correct 261 ms 67504 KB Output is correct
46 Correct 179 ms 55152 KB Output is correct
47 Correct 184 ms 55152 KB Output is correct
48 Correct 224 ms 59248 KB Output is correct
49 Correct 172 ms 58092 KB Output is correct
50 Correct 139 ms 47856 KB Output is correct
51 Correct 215 ms 59376 KB Output is correct
52 Correct 269 ms 73964 KB Output is correct
53 Correct 324 ms 78188 KB Output is correct
54 Correct 321 ms 85740 KB Output is correct
55 Correct 209 ms 58000 KB Output is correct
56 Correct 316 ms 78444 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9984 KB Output is correct
5 Correct 8 ms 10240 KB Output is correct
6 Correct 8 ms 10112 KB Output is correct
7 Correct 8 ms 10240 KB Output is correct
8 Correct 8 ms 10240 KB Output is correct
9 Correct 141 ms 45424 KB Output is correct
10 Correct 178 ms 53364 KB Output is correct
11 Correct 179 ms 52848 KB Output is correct
12 Correct 184 ms 55152 KB Output is correct
13 Correct 210 ms 57456 KB Output is correct
14 Correct 154 ms 45552 KB Output is correct
15 Correct 247 ms 55408 KB Output is correct
16 Correct 246 ms 53996 KB Output is correct
17 Correct 262 ms 56816 KB Output is correct
18 Correct 276 ms 59120 KB Output is correct
19 Correct 398 ms 59904 KB Output is correct
20 Correct 401 ms 62284 KB Output is correct
21 Correct 408 ms 60712 KB Output is correct
22 Correct 404 ms 61944 KB Output is correct
23 Correct 419 ms 61420 KB Output is correct
24 Correct 404 ms 59372 KB Output is correct
25 Correct 406 ms 61144 KB Output is correct
26 Correct 407 ms 58940 KB Output is correct
27 Correct 8 ms 10240 KB Output is correct
28 Correct 8 ms 10240 KB Output is correct
29 Correct 8 ms 10240 KB Output is correct
30 Correct 8 ms 10112 KB Output is correct
31 Correct 8 ms 10112 KB Output is correct
32 Correct 8 ms 10240 KB Output is correct
33 Correct 8 ms 10240 KB Output is correct
34 Correct 8 ms 10240 KB Output is correct
35 Correct 8 ms 10240 KB Output is correct
36 Correct 28 ms 16000 KB Output is correct
37 Correct 180 ms 55152 KB Output is correct
38 Correct 182 ms 55152 KB Output is correct
39 Correct 178 ms 55152 KB Output is correct
40 Correct 178 ms 54512 KB Output is correct
41 Correct 182 ms 54256 KB Output is correct
42 Correct 161 ms 50596 KB Output is correct
43 Correct 181 ms 55152 KB Output is correct
44 Correct 184 ms 55152 KB Output is correct
45 Correct 200 ms 58300 KB Output is correct
46 Correct 190 ms 55152 KB Output is correct
47 Correct 36 ms 15736 KB Output is correct
48 Correct 322 ms 57548 KB Output is correct
49 Correct 311 ms 57548 KB Output is correct
50 Correct 345 ms 57296 KB Output is correct
51 Correct 318 ms 57064 KB Output is correct
52 Correct 317 ms 54448 KB Output is correct
53 Correct 267 ms 43104 KB Output is correct
54 Correct 326 ms 58060 KB Output is correct
55 Correct 338 ms 57420 KB Output is correct
56 Correct 417 ms 59924 KB Output is correct
57 Correct 340 ms 58060 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9984 KB Output is correct
6 Correct 8 ms 10240 KB Output is correct
7 Correct 8 ms 10112 KB Output is correct
8 Correct 8 ms 10240 KB Output is correct
9 Correct 8 ms 10240 KB Output is correct
10 Correct 141 ms 45424 KB Output is correct
11 Correct 178 ms 53364 KB Output is correct
12 Correct 179 ms 52848 KB Output is correct
13 Correct 184 ms 55152 KB Output is correct
14 Correct 210 ms 57456 KB Output is correct
15 Correct 154 ms 45552 KB Output is correct
16 Correct 247 ms 55408 KB Output is correct
17 Correct 246 ms 53996 KB Output is correct
18 Correct 262 ms 56816 KB Output is correct
19 Correct 276 ms 59120 KB Output is correct
20 Correct 398 ms 59904 KB Output is correct
21 Correct 401 ms 62284 KB Output is correct
22 Correct 408 ms 60712 KB Output is correct
23 Correct 404 ms 61944 KB Output is correct
24 Correct 419 ms 61420 KB Output is correct
25 Correct 404 ms 59372 KB Output is correct
26 Correct 406 ms 61144 KB Output is correct
27 Correct 407 ms 58940 KB Output is correct
28 Correct 8 ms 10240 KB Output is correct
29 Correct 8 ms 10240 KB Output is correct
30 Correct 8 ms 10240 KB Output is correct
31 Correct 8 ms 10112 KB Output is correct
32 Correct 8 ms 10112 KB Output is correct
33 Correct 8 ms 10240 KB Output is correct
34 Correct 8 ms 10240 KB Output is correct
35 Correct 8 ms 10240 KB Output is correct
36 Correct 8 ms 10240 KB Output is correct
37 Correct 28 ms 16000 KB Output is correct
38 Correct 180 ms 55152 KB Output is correct
39 Correct 182 ms 55152 KB Output is correct
40 Correct 178 ms 55152 KB Output is correct
41 Correct 178 ms 54512 KB Output is correct
42 Correct 182 ms 54256 KB Output is correct
43 Correct 161 ms 50596 KB Output is correct
44 Correct 181 ms 55152 KB Output is correct
45 Correct 184 ms 55152 KB Output is correct
46 Correct 200 ms 58300 KB Output is correct
47 Correct 190 ms 55152 KB Output is correct
48 Correct 36 ms 15736 KB Output is correct
49 Correct 322 ms 57548 KB Output is correct
50 Correct 311 ms 57548 KB Output is correct
51 Correct 345 ms 57296 KB Output is correct
52 Correct 318 ms 57064 KB Output is correct
53 Correct 317 ms 54448 KB Output is correct
54 Correct 267 ms 43104 KB Output is correct
55 Correct 326 ms 58060 KB Output is correct
56 Correct 338 ms 57420 KB Output is correct
57 Correct 417 ms 59924 KB Output is correct
58 Correct 340 ms 58060 KB Output is correct
59 Correct 131 ms 20472 KB Output is correct
60 Correct 319 ms 56428 KB Output is correct
61 Correct 327 ms 54972 KB Output is correct
62 Correct 340 ms 58060 KB Output is correct
63 Correct 503 ms 60492 KB Output is correct
64 Correct 8 ms 10112 KB Output is correct
65 Correct 8 ms 10240 KB Output is correct
66 Correct 8 ms 10240 KB Output is correct
67 Correct 8 ms 10368 KB Output is correct
68 Correct 8 ms 10112 KB Output is correct
69 Correct 9 ms 10624 KB Output is correct
70 Correct 11 ms 10496 KB Output is correct
71 Correct 9 ms 10496 KB Output is correct
72 Correct 8 ms 10240 KB Output is correct
73 Correct 9 ms 10496 KB Output is correct
74 Correct 261 ms 67504 KB Output is correct
75 Correct 179 ms 55152 KB Output is correct
76 Correct 184 ms 55152 KB Output is correct
77 Correct 224 ms 59248 KB Output is correct
78 Correct 172 ms 58092 KB Output is correct
79 Correct 139 ms 47856 KB Output is correct
80 Correct 215 ms 59376 KB Output is correct
81 Correct 269 ms 73964 KB Output is correct
82 Correct 324 ms 78188 KB Output is correct
83 Correct 321 ms 85740 KB Output is correct
84 Correct 209 ms 58000 KB Output is correct
85 Correct 316 ms 78444 KB Output is correct
86 Correct 131 ms 30452 KB Output is correct
87 Correct 326 ms 57424 KB Output is correct
88 Correct 320 ms 57548 KB Output is correct
89 Correct 430 ms 59116 KB Output is correct
90 Correct 325 ms 62700 KB Output is correct
91 Correct 337 ms 58820 KB Output is correct
92 Correct 452 ms 60012 KB Output is correct
93 Correct 433 ms 74932 KB Output is correct
94 Correct 552 ms 79636 KB Output is correct
95 Correct 468 ms 87404 KB Output is correct
96 Correct 443 ms 60112 KB Output is correct
97 Correct 503 ms 69488 KB Output is correct