답안 #568300

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
568300	2022-05-25T07:12:18 Z	hibiki	자매 도시 (APIO20_swap)	C++11	100 / 100	325 ms	55504 KB

swap

#include "swap.h"
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define f first
#define s second

// global
int n,m;
int deg[100005],l[300005],mn[300005],deep[300005];
int spa[300005][20];
vector<int> v[300005];
priority_queue<pair<int,pair<int,int> > > pq;

int fi(int idx)
{
    if(l[idx] == idx) return idx;
    return l[idx] = fi(l[idx]);
}

void uni(int x,int y,int w)
{
    bool chk = deg[x] > 1 | deg[y] > 1;
    deg[x]++;
    deg[y]++;
    x = fi(x), y = fi(y);
    if(x == y)
    {
        if(!mn[x])
            mn[x] = w;
        return ;
    }
    l[x] = l[y] = n;
    if(chk || mn[x] || mn[y])
        mn[n] = w;
    v[n].pb(x);
    v[n].pb(y);
    n++;
}

void dfs(int nw,int fa)
{
    for(auto go: v[nw])
    {
        if(go == fa) continue;
        if(!mn[go]) mn[go] = mn[nw];
        deep[go] = deep[nw] + 1;
        spa[go][0] = nw;
        dfs(go, nw);
    }
}

int query(int a,int b)
{
    if(deep[a] > deep[b]) swap(a,b);
    int dif = deep[b] - deep[a];
    for(int  i = 0; i < 20; i++)
        if((1<<i)&dif)
            b = spa[b][i];
    if(a == b) return mn[a];
    for(int i = 19; i >= 0; i--)
    {
        if(spa[a][i] != spa[b][i])
        {
            a = spa[a][i];
            b = spa[b][i];
        }
    }
    return mn[spa[a][0]];
}

void init(int N, int M,
          vector<int> U, vector<int> V, vector<int> W)
{
    n = N, m = M;
    memset(spa, -1, sizeof(spa));
    for(int i = 0; i < 300005; i++)
        l[i] = i;
    for(int i = 0; i < m; i++)
        pq.push({-W[i],{U[i],V[i]}});
    while(!pq.empty())
    {
        int x = pq.top().s.f, y = pq.top().s.s, w = -pq.top().f;
        pq.pop();
        uni(x,y,w);
    }
    dfs(n - 1, -1);
    for(int i = 0; i < 300005; i++)
        if(!mn[i]) mn[i] = -1;
    for(int j = 1; j < 20; j++)
    {
        for(int i = 0; i < n; i++)
        {
            if(spa[i][j - 1] == -1) continue;
            spa[i][j] = spa[spa[i][j - 1]][j - 1];
        }
    }
    return ;
}

int getMinimumFuelCapacity(int X, int Y)
{
    return query(X,Y);
}

Compilation message

swap.cpp: In function 'void uni(int, int, int)':
swap.cpp:24:23: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   24 |     bool chk = deg[x] > 1 | deg[y] > 1;
      |                ~~~~~~~^~~

Subtask #1

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	33080 KB	Output is correct
2	Correct	18 ms	33084 KB	Output is correct
3	Correct	15 ms	33100 KB	Output is correct
4	Correct	16 ms	33236 KB	Output is correct
5	Correct	16 ms	33216 KB	Output is correct
6	Correct	16 ms	33272 KB	Output is correct
7	Correct	17 ms	33228 KB	Output is correct
8	Correct	15 ms	33224 KB	Output is correct
9	Correct	92 ms	40988 KB	Output is correct
10	Correct	110 ms	42624 KB	Output is correct
11	Correct	116 ms	42560 KB	Output is correct
12	Correct	113 ms	43064 KB	Output is correct
13	Correct	111 ms	46940 KB	Output is correct
14	Correct	98 ms	41264 KB	Output is correct
15	Correct	244 ms	46904 KB	Output is correct
16	Correct	209 ms	46704 KB	Output is correct
17	Correct	245 ms	47204 KB	Output is correct
18	Correct	301 ms	51184 KB	Output is correct
19	Correct	83 ms	39772 KB	Output is correct
20	Correct	217 ms	47840 KB	Output is correct
21	Correct	227 ms	47976 KB	Output is correct
22	Correct	245 ms	48524 KB	Output is correct
23	Correct	316 ms	52516 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	33080 KB	Output is correct
2	Correct	18 ms	33084 KB	Output is correct
3	Correct	295 ms	54752 KB	Output is correct
4	Correct	271 ms	55504 KB	Output is correct
5	Correct	305 ms	55384 KB	Output is correct
6	Correct	294 ms	55336 KB	Output is correct
7	Correct	280 ms	55444 KB	Output is correct
8	Correct	290 ms	54808 KB	Output is correct
9	Correct	257 ms	55264 KB	Output is correct
10	Correct	302 ms	54684 KB	Output is correct

Subtask #3

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	33080 KB	Output is correct
2	Correct	18 ms	33084 KB	Output is correct
3	Correct	15 ms	33100 KB	Output is correct
4	Correct	16 ms	33236 KB	Output is correct
5	Correct	16 ms	33216 KB	Output is correct
6	Correct	16 ms	33272 KB	Output is correct
7	Correct	17 ms	33228 KB	Output is correct
8	Correct	15 ms	33224 KB	Output is correct
9	Correct	14 ms	33108 KB	Output is correct
10	Correct	16 ms	33220 KB	Output is correct
11	Correct	15 ms	33244 KB	Output is correct
12	Correct	14 ms	33236 KB	Output is correct
13	Correct	15 ms	33172 KB	Output is correct
14	Correct	14 ms	33216 KB	Output is correct
15	Correct	16 ms	33236 KB	Output is correct
16	Correct	18 ms	33224 KB	Output is correct
17	Correct	16 ms	33264 KB	Output is correct
18	Correct	15 ms	33208 KB	Output is correct
19	Correct	17 ms	33216 KB	Output is correct
20	Correct	15 ms	33220 KB	Output is correct
21	Correct	15 ms	33260 KB	Output is correct
22	Correct	16 ms	33236 KB	Output is correct
23	Correct	15 ms	33204 KB	Output is correct
24	Correct	15 ms	33236 KB	Output is correct
25	Correct	15 ms	33224 KB	Output is correct
26	Correct	15 ms	33288 KB	Output is correct
27	Correct	15 ms	33224 KB	Output is correct
28	Correct	17 ms	33332 KB	Output is correct

Subtask #4

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	33108 KB	Output is correct
2	Correct	15 ms	33080 KB	Output is correct
3	Correct	18 ms	33084 KB	Output is correct
4	Correct	15 ms	33100 KB	Output is correct
5	Correct	16 ms	33236 KB	Output is correct
6	Correct	16 ms	33216 KB	Output is correct
7	Correct	16 ms	33272 KB	Output is correct
8	Correct	17 ms	33228 KB	Output is correct
9	Correct	15 ms	33224 KB	Output is correct
10	Correct	92 ms	40988 KB	Output is correct
11	Correct	110 ms	42624 KB	Output is correct
12	Correct	116 ms	42560 KB	Output is correct
13	Correct	113 ms	43064 KB	Output is correct
14	Correct	111 ms	46940 KB	Output is correct
15	Correct	16 ms	33220 KB	Output is correct
16	Correct	15 ms	33244 KB	Output is correct
17	Correct	14 ms	33236 KB	Output is correct
18	Correct	15 ms	33172 KB	Output is correct
19	Correct	14 ms	33216 KB	Output is correct
20	Correct	16 ms	33236 KB	Output is correct
21	Correct	18 ms	33224 KB	Output is correct
22	Correct	16 ms	33264 KB	Output is correct
23	Correct	15 ms	33208 KB	Output is correct
24	Correct	17 ms	33216 KB	Output is correct
25	Correct	15 ms	33220 KB	Output is correct
26	Correct	15 ms	33260 KB	Output is correct
27	Correct	16 ms	33236 KB	Output is correct
28	Correct	15 ms	33204 KB	Output is correct
29	Correct	15 ms	33236 KB	Output is correct
30	Correct	15 ms	33224 KB	Output is correct
31	Correct	15 ms	33288 KB	Output is correct
32	Correct	15 ms	33224 KB	Output is correct
33	Correct	17 ms	33332 KB	Output is correct
34	Correct	24 ms	34428 KB	Output is correct
35	Correct	109 ms	42936 KB	Output is correct
36	Correct	112 ms	42720 KB	Output is correct
37	Correct	110 ms	42816 KB	Output is correct
38	Correct	123 ms	42664 KB	Output is correct
39	Correct	115 ms	42652 KB	Output is correct
40	Correct	115 ms	41776 KB	Output is correct
41	Correct	119 ms	43052 KB	Output is correct
42	Correct	124 ms	42808 KB	Output is correct
43	Correct	106 ms	47968 KB	Output is correct
44	Correct	118 ms	43180 KB	Output is correct
45	Correct	143 ms	46700 KB	Output is correct
46	Correct	113 ms	42836 KB	Output is correct
47	Correct	114 ms	42944 KB	Output is correct
48	Correct	132 ms	45240 KB	Output is correct
49	Correct	84 ms	41692 KB	Output is correct
50	Correct	74 ms	40184 KB	Output is correct
51	Correct	121 ms	44680 KB	Output is correct
52	Correct	159 ms	46520 KB	Output is correct
53	Correct	181 ms	48476 KB	Output is correct
54	Correct	182 ms	48504 KB	Output is correct
55	Correct	112 ms	47504 KB	Output is correct
56	Correct	175 ms	49540 KB	Output is correct

Subtask #5

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	33080 KB	Output is correct
2	Correct	18 ms	33084 KB	Output is correct
3	Correct	15 ms	33100 KB	Output is correct
4	Correct	16 ms	33236 KB	Output is correct
5	Correct	16 ms	33216 KB	Output is correct
6	Correct	16 ms	33272 KB	Output is correct
7	Correct	17 ms	33228 KB	Output is correct
8	Correct	15 ms	33224 KB	Output is correct
9	Correct	92 ms	40988 KB	Output is correct
10	Correct	110 ms	42624 KB	Output is correct
11	Correct	116 ms	42560 KB	Output is correct
12	Correct	113 ms	43064 KB	Output is correct
13	Correct	111 ms	46940 KB	Output is correct
14	Correct	98 ms	41264 KB	Output is correct
15	Correct	244 ms	46904 KB	Output is correct
16	Correct	209 ms	46704 KB	Output is correct
17	Correct	245 ms	47204 KB	Output is correct
18	Correct	301 ms	51184 KB	Output is correct
19	Correct	295 ms	54752 KB	Output is correct
20	Correct	271 ms	55504 KB	Output is correct
21	Correct	305 ms	55384 KB	Output is correct
22	Correct	294 ms	55336 KB	Output is correct
23	Correct	280 ms	55444 KB	Output is correct
24	Correct	290 ms	54808 KB	Output is correct
25	Correct	257 ms	55264 KB	Output is correct
26	Correct	302 ms	54684 KB	Output is correct
27	Correct	16 ms	33220 KB	Output is correct
28	Correct	15 ms	33244 KB	Output is correct
29	Correct	14 ms	33236 KB	Output is correct
30	Correct	15 ms	33172 KB	Output is correct
31	Correct	14 ms	33216 KB	Output is correct
32	Correct	16 ms	33236 KB	Output is correct
33	Correct	18 ms	33224 KB	Output is correct
34	Correct	16 ms	33264 KB	Output is correct
35	Correct	15 ms	33208 KB	Output is correct
36	Correct	24 ms	34428 KB	Output is correct
37	Correct	109 ms	42936 KB	Output is correct
38	Correct	112 ms	42720 KB	Output is correct
39	Correct	110 ms	42816 KB	Output is correct
40	Correct	123 ms	42664 KB	Output is correct
41	Correct	115 ms	42652 KB	Output is correct
42	Correct	115 ms	41776 KB	Output is correct
43	Correct	119 ms	43052 KB	Output is correct
44	Correct	124 ms	42808 KB	Output is correct
45	Correct	106 ms	47968 KB	Output is correct
46	Correct	118 ms	43180 KB	Output is correct
47	Correct	31 ms	34956 KB	Output is correct
48	Correct	223 ms	47652 KB	Output is correct
49	Correct	225 ms	47704 KB	Output is correct
50	Correct	220 ms	47648 KB	Output is correct
51	Correct	224 ms	47696 KB	Output is correct
52	Correct	257 ms	47276 KB	Output is correct
53	Correct	183 ms	45628 KB	Output is correct
54	Correct	237 ms	48516 KB	Output is correct
55	Correct	224 ms	47608 KB	Output is correct
56	Correct	325 ms	51864 KB	Output is correct
57	Correct	257 ms	48628 KB	Output is correct

Subtask #6

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	33108 KB	Output is correct
2	Correct	15 ms	33080 KB	Output is correct
3	Correct	18 ms	33084 KB	Output is correct
4	Correct	15 ms	33100 KB	Output is correct
5	Correct	16 ms	33236 KB	Output is correct
6	Correct	16 ms	33216 KB	Output is correct
7	Correct	16 ms	33272 KB	Output is correct
8	Correct	17 ms	33228 KB	Output is correct
9	Correct	15 ms	33224 KB	Output is correct
10	Correct	92 ms	40988 KB	Output is correct
11	Correct	110 ms	42624 KB	Output is correct
12	Correct	116 ms	42560 KB	Output is correct
13	Correct	113 ms	43064 KB	Output is correct
14	Correct	111 ms	46940 KB	Output is correct
15	Correct	98 ms	41264 KB	Output is correct
16	Correct	244 ms	46904 KB	Output is correct
17	Correct	209 ms	46704 KB	Output is correct
18	Correct	245 ms	47204 KB	Output is correct
19	Correct	301 ms	51184 KB	Output is correct
20	Correct	295 ms	54752 KB	Output is correct
21	Correct	271 ms	55504 KB	Output is correct
22	Correct	305 ms	55384 KB	Output is correct
23	Correct	294 ms	55336 KB	Output is correct
24	Correct	280 ms	55444 KB	Output is correct
25	Correct	290 ms	54808 KB	Output is correct
26	Correct	257 ms	55264 KB	Output is correct
27	Correct	302 ms	54684 KB	Output is correct
28	Correct	16 ms	33220 KB	Output is correct
29	Correct	15 ms	33244 KB	Output is correct
30	Correct	14 ms	33236 KB	Output is correct
31	Correct	15 ms	33172 KB	Output is correct
32	Correct	14 ms	33216 KB	Output is correct
33	Correct	16 ms	33236 KB	Output is correct
34	Correct	18 ms	33224 KB	Output is correct
35	Correct	16 ms	33264 KB	Output is correct
36	Correct	15 ms	33208 KB	Output is correct
37	Correct	24 ms	34428 KB	Output is correct
38	Correct	109 ms	42936 KB	Output is correct
39	Correct	112 ms	42720 KB	Output is correct
40	Correct	110 ms	42816 KB	Output is correct
41	Correct	123 ms	42664 KB	Output is correct
42	Correct	115 ms	42652 KB	Output is correct
43	Correct	115 ms	41776 KB	Output is correct
44	Correct	119 ms	43052 KB	Output is correct
45	Correct	124 ms	42808 KB	Output is correct
46	Correct	106 ms	47968 KB	Output is correct
47	Correct	118 ms	43180 KB	Output is correct
48	Correct	31 ms	34956 KB	Output is correct
49	Correct	223 ms	47652 KB	Output is correct
50	Correct	225 ms	47704 KB	Output is correct
51	Correct	220 ms	47648 KB	Output is correct
52	Correct	224 ms	47696 KB	Output is correct
53	Correct	257 ms	47276 KB	Output is correct
54	Correct	183 ms	45628 KB	Output is correct
55	Correct	237 ms	48516 KB	Output is correct
56	Correct	224 ms	47608 KB	Output is correct
57	Correct	325 ms	51864 KB	Output is correct
58	Correct	257 ms	48628 KB	Output is correct
59	Correct	83 ms	39772 KB	Output is correct
60	Correct	217 ms	47840 KB	Output is correct
61	Correct	227 ms	47976 KB	Output is correct
62	Correct	245 ms	48524 KB	Output is correct
63	Correct	316 ms	52516 KB	Output is correct
64	Correct	17 ms	33216 KB	Output is correct
65	Correct	15 ms	33220 KB	Output is correct
66	Correct	15 ms	33260 KB	Output is correct
67	Correct	16 ms	33236 KB	Output is correct
68	Correct	15 ms	33204 KB	Output is correct
69	Correct	15 ms	33236 KB	Output is correct
70	Correct	15 ms	33224 KB	Output is correct
71	Correct	15 ms	33288 KB	Output is correct
72	Correct	15 ms	33224 KB	Output is correct
73	Correct	17 ms	33332 KB	Output is correct
74	Correct	143 ms	46700 KB	Output is correct
75	Correct	113 ms	42836 KB	Output is correct
76	Correct	114 ms	42944 KB	Output is correct
77	Correct	132 ms	45240 KB	Output is correct
78	Correct	84 ms	41692 KB	Output is correct
79	Correct	74 ms	40184 KB	Output is correct
80	Correct	121 ms	44680 KB	Output is correct
81	Correct	159 ms	46520 KB	Output is correct
82	Correct	181 ms	48476 KB	Output is correct
83	Correct	182 ms	48504 KB	Output is correct
84	Correct	112 ms	47504 KB	Output is correct
85	Correct	175 ms	49540 KB	Output is correct
86	Correct	72 ms	39032 KB	Output is correct
87	Correct	263 ms	47776 KB	Output is correct
88	Correct	236 ms	47636 KB	Output is correct
89	Correct	254 ms	49552 KB	Output is correct
90	Correct	169 ms	45964 KB	Output is correct
91	Correct	163 ms	46480 KB	Output is correct
92	Correct	250 ms	49592 KB	Output is correct
93	Correct	256 ms	51252 KB	Output is correct
94	Correct	314 ms	52664 KB	Output is correct
95	Correct	290 ms	52292 KB	Output is correct
96	Correct	297 ms	52048 KB	Output is correct
97	Correct	271 ms	52276 KB	Output is correct