답안 #876971

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
876971	2023-11-22T15:31:26 Z	8pete8	자매 도시 (APIO20_swap)	C++14	100 / 100	370 ms	80580 KB

swap

#include "swap.h"
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <iomanip>  
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;
#define ll long long    
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
const int mxn=3e5+100,lg=30;  
int pa[mxn+10],deg[mxn+10],val[mxn+10],up[mxn+10][lg+5],h[mxn+10];
bool yes[mxn+10];
vector<int>adj[mxn+10];
bitset<mxn+10>vis;
int find(int u){return ((pa[u]==u)?u:pa[u]=find(pa[u]));}
int cnt=0;
void merg(int a,int b){
  int u=find(a),v=find(b);
  cnt++;
  adj[cnt].pb(v);
  if(u==v){
    yes[cnt]=true;
    pa[v]=cnt;
    return;
  }
  adj[cnt].pb(u);
  yes[cnt]=(yes[v]||yes[u]);
  deg[a]++,deg[b]++;
  if(deg[a]>=3||deg[b]>=3)yes[cnt]=true;
  pa[u]=pa[v]=cnt;
}
void dfs(int cur){
  if(vis[cur])return;
  vis[cur]=true;
  for(auto i:adj[cur])h[i]=h[cur]+1,up[i][0]=cur,dfs(i);
}
void init(int n,int m,vector<int>u,vector<int>v,vector<int>w){
  cnt=n-1;
  for(int i=0;i<mxn;i++)pa[i]=i;
  vector<ppii>e;
  for(int i=0;i<m;i++)e.pb({w[i],{u[i],v[i]}});
  sort(all(e));
  for(auto i:e)merg(i.s.f,i.s.s),val[cnt]=i.f;
  for(int i=0;i<=lg;i++)up[cnt][i]=cnt;
  dfs(cnt);
  for(int j=1;j<=lg;j++)for(int i=0;i<=cnt;i++)up[i][j]=up[up[i][j-1]][j-1];
}
int lca(int a,int b){
  if(h[a]<h[b])swap(a,b);
  int k=h[a]-h[b];
  for(int i=0;i<=lg;i++)if(k&(1<<i))a=up[a][i];
  if(a==b)return a;
  for(int i=lg;i>=0;i--)if(up[a][i]!=up[b][i])a=up[a][i],b=up[b][i];
  return up[a][0];
}
int getMinimumFuelCapacity(int a,int b){
  int node=lca(a,b);
  for(int i=lg;i>=0;i--)if(!yes[up[node][i]])node=up[node][i];
  if(!yes[node])node=up[node][0];
  if(yes[node])return val[node];
  else return -1;
}/*
int main() {
  int N, M;
  assert(2 == scanf("%d %d", &N, &M));
  std::vector<int> U(M), V(M), W(M);
  for (int i = 0; i < M; ++i) {
    assert(3 == scanf("%d %d %d", &U[i], &V[i], &W[i]));
  }
  int Q;
  assert(1 == scanf("%d", &Q));
  std::vector<int> X(Q), Y(Q);
  for (int i = 0; i < Q; ++i) {
    assert(2 == scanf("%d %d", &X[i], &Y[i]));
  }
  init(N, M, U, V, W);
  std::vector<int> minimum_fuel_capacities(Q);
  for (int i = 0; i < Q; ++i) {
    minimum_fuel_capacities[i] = getMinimumFuelCapacity(X[i], Y[i]);
  }

  for (int i = 0; i < Q; ++i) {
    printf("%d\n", minimum_fuel_capacities[i]);
  }
  
  return 0;
}*/

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13916 KB	Output is correct
3	Correct	3 ms	13916 KB	Output is correct
4	Correct	3 ms	13912 KB	Output is correct
5	Correct	3 ms	13916 KB	Output is correct
6	Correct	3 ms	13916 KB	Output is correct
7	Correct	4 ms	13916 KB	Output is correct
8	Correct	4 ms	13916 KB	Output is correct
9	Correct	79 ms	39776 KB	Output is correct
10	Correct	100 ms	45000 KB	Output is correct
11	Correct	93 ms	44996 KB	Output is correct
12	Correct	106 ms	47160 KB	Output is correct
13	Correct	96 ms	50372 KB	Output is correct
14	Correct	92 ms	39876 KB	Output is correct
15	Correct	232 ms	48584 KB	Output is correct
16	Correct	233 ms	46376 KB	Output is correct
17	Correct	268 ms	48744 KB	Output is correct
18	Correct	298 ms	52084 KB	Output is correct
19	Correct	90 ms	22516 KB	Output is correct
20	Correct	238 ms	48840 KB	Output is correct
21	Correct	244 ms	46996 KB	Output is correct
22	Correct	253 ms	49336 KB	Output is correct
23	Correct	308 ms	52628 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13916 KB	Output is correct
3	Correct	324 ms	52784 KB	Output is correct
4	Correct	277 ms	55424 KB	Output is correct
5	Correct	352 ms	53016 KB	Output is correct
6	Correct	287 ms	55196 KB	Output is correct
7	Correct	299 ms	55172 KB	Output is correct
8	Correct	287 ms	52832 KB	Output is correct
9	Correct	302 ms	54980 KB	Output is correct
10	Correct	266 ms	52600 KB	Output is correct

Subtask #3
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13916 KB	Output is correct
3	Correct	3 ms	13916 KB	Output is correct
4	Correct	3 ms	13912 KB	Output is correct
5	Correct	3 ms	13916 KB	Output is correct
6	Correct	3 ms	13916 KB	Output is correct
7	Correct	4 ms	13916 KB	Output is correct
8	Correct	4 ms	13916 KB	Output is correct
9	Correct	3 ms	13912 KB	Output is correct
10	Correct	4 ms	13916 KB	Output is correct
11	Correct	3 ms	13912 KB	Output is correct
12	Correct	3 ms	13916 KB	Output is correct
13	Correct	3 ms	13916 KB	Output is correct
14	Correct	3 ms	13916 KB	Output is correct
15	Correct	4 ms	13916 KB	Output is correct
16	Correct	3 ms	13916 KB	Output is correct
17	Correct	3 ms	14156 KB	Output is correct
18	Correct	4 ms	14168 KB	Output is correct
19	Correct	4 ms	13912 KB	Output is correct
20	Correct	3 ms	13916 KB	Output is correct
21	Correct	3 ms	13916 KB	Output is correct
22	Correct	4 ms	14172 KB	Output is correct
23	Correct	3 ms	13916 KB	Output is correct
24	Correct	4 ms	14172 KB	Output is correct
25	Correct	4 ms	14168 KB	Output is correct
26	Correct	4 ms	14172 KB	Output is correct
27	Correct	4 ms	14172 KB	Output is correct
28	Correct	4 ms	14172 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13912 KB	Output is correct
3	Correct	3 ms	13916 KB	Output is correct
4	Correct	3 ms	13916 KB	Output is correct
5	Correct	3 ms	13912 KB	Output is correct
6	Correct	3 ms	13916 KB	Output is correct
7	Correct	3 ms	13916 KB	Output is correct
8	Correct	4 ms	13916 KB	Output is correct
9	Correct	4 ms	13916 KB	Output is correct
10	Correct	79 ms	39776 KB	Output is correct
11	Correct	100 ms	45000 KB	Output is correct
12	Correct	93 ms	44996 KB	Output is correct
13	Correct	106 ms	47160 KB	Output is correct
14	Correct	96 ms	50372 KB	Output is correct
15	Correct	4 ms	13916 KB	Output is correct
16	Correct	3 ms	13912 KB	Output is correct
17	Correct	3 ms	13916 KB	Output is correct
18	Correct	3 ms	13916 KB	Output is correct
19	Correct	3 ms	13916 KB	Output is correct
20	Correct	4 ms	13916 KB	Output is correct
21	Correct	3 ms	13916 KB	Output is correct
22	Correct	3 ms	14156 KB	Output is correct
23	Correct	4 ms	14168 KB	Output is correct
24	Correct	4 ms	13912 KB	Output is correct
25	Correct	3 ms	13916 KB	Output is correct
26	Correct	3 ms	13916 KB	Output is correct
27	Correct	4 ms	14172 KB	Output is correct
28	Correct	3 ms	13916 KB	Output is correct
29	Correct	4 ms	14172 KB	Output is correct
30	Correct	4 ms	14168 KB	Output is correct
31	Correct	4 ms	14172 KB	Output is correct
32	Correct	4 ms	14172 KB	Output is correct
33	Correct	4 ms	14172 KB	Output is correct
34	Correct	12 ms	16920 KB	Output is correct
35	Correct	113 ms	47188 KB	Output is correct
36	Correct	103 ms	47204 KB	Output is correct
37	Correct	103 ms	47304 KB	Output is correct
38	Correct	97 ms	47196 KB	Output is correct
39	Correct	100 ms	47056 KB	Output is correct
40	Correct	94 ms	44484 KB	Output is correct
41	Correct	106 ms	47300 KB	Output is correct
42	Correct	104 ms	47304 KB	Output is correct
43	Correct	99 ms	51400 KB	Output is correct
44	Correct	106 ms	47300 KB	Output is correct
45	Correct	138 ms	60348 KB	Output is correct
46	Correct	107 ms	47300 KB	Output is correct
47	Correct	110 ms	47556 KB	Output is correct
48	Correct	114 ms	50404 KB	Output is correct
49	Correct	103 ms	54828 KB	Output is correct
50	Correct	79 ms	45508 KB	Output is correct
51	Correct	121 ms	52420 KB	Output is correct
52	Correct	149 ms	63164 KB	Output is correct
53	Correct	164 ms	66300 KB	Output is correct
54	Correct	193 ms	72660 KB	Output is correct
55	Correct	97 ms	52936 KB	Output is correct
56	Correct	171 ms	72260 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13916 KB	Output is correct
3	Correct	3 ms	13916 KB	Output is correct
4	Correct	3 ms	13912 KB	Output is correct
5	Correct	3 ms	13916 KB	Output is correct
6	Correct	3 ms	13916 KB	Output is correct
7	Correct	4 ms	13916 KB	Output is correct
8	Correct	4 ms	13916 KB	Output is correct
9	Correct	79 ms	39776 KB	Output is correct
10	Correct	100 ms	45000 KB	Output is correct
11	Correct	93 ms	44996 KB	Output is correct
12	Correct	106 ms	47160 KB	Output is correct
13	Correct	96 ms	50372 KB	Output is correct
14	Correct	92 ms	39876 KB	Output is correct
15	Correct	232 ms	48584 KB	Output is correct
16	Correct	233 ms	46376 KB	Output is correct
17	Correct	268 ms	48744 KB	Output is correct
18	Correct	298 ms	52084 KB	Output is correct
19	Correct	324 ms	52784 KB	Output is correct
20	Correct	277 ms	55424 KB	Output is correct
21	Correct	352 ms	53016 KB	Output is correct
22	Correct	287 ms	55196 KB	Output is correct
23	Correct	299 ms	55172 KB	Output is correct
24	Correct	287 ms	52832 KB	Output is correct
25	Correct	302 ms	54980 KB	Output is correct
26	Correct	266 ms	52600 KB	Output is correct
27	Correct	4 ms	13916 KB	Output is correct
28	Correct	3 ms	13912 KB	Output is correct
29	Correct	3 ms	13916 KB	Output is correct
30	Correct	3 ms	13916 KB	Output is correct
31	Correct	3 ms	13916 KB	Output is correct
32	Correct	4 ms	13916 KB	Output is correct
33	Correct	3 ms	13916 KB	Output is correct
34	Correct	3 ms	14156 KB	Output is correct
35	Correct	4 ms	14168 KB	Output is correct
36	Correct	12 ms	16920 KB	Output is correct
37	Correct	113 ms	47188 KB	Output is correct
38	Correct	103 ms	47204 KB	Output is correct
39	Correct	103 ms	47304 KB	Output is correct
40	Correct	97 ms	47196 KB	Output is correct
41	Correct	100 ms	47056 KB	Output is correct
42	Correct	94 ms	44484 KB	Output is correct
43	Correct	106 ms	47300 KB	Output is correct
44	Correct	104 ms	47304 KB	Output is correct
45	Correct	99 ms	51400 KB	Output is correct
46	Correct	106 ms	47300 KB	Output is correct
47	Correct	21 ms	17028 KB	Output is correct
48	Correct	237 ms	48840 KB	Output is correct
49	Correct	229 ms	48780 KB	Output is correct
50	Correct	226 ms	48836 KB	Output is correct
51	Correct	225 ms	48956 KB	Output is correct
52	Correct	219 ms	46476 KB	Output is correct
53	Correct	183 ms	37584 KB	Output is correct
54	Correct	228 ms	49212 KB	Output is correct
55	Correct	256 ms	48760 KB	Output is correct
56	Correct	342 ms	52160 KB	Output is correct
57	Correct	260 ms	49444 KB	Output is correct

Subtask #6
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	13912 KB	Output is correct
2	Correct	3 ms	13912 KB	Output is correct
3	Correct	3 ms	13916 KB	Output is correct
4	Correct	3 ms	13916 KB	Output is correct
5	Correct	3 ms	13912 KB	Output is correct
6	Correct	3 ms	13916 KB	Output is correct
7	Correct	3 ms	13916 KB	Output is correct
8	Correct	4 ms	13916 KB	Output is correct
9	Correct	4 ms	13916 KB	Output is correct
10	Correct	79 ms	39776 KB	Output is correct
11	Correct	100 ms	45000 KB	Output is correct
12	Correct	93 ms	44996 KB	Output is correct
13	Correct	106 ms	47160 KB	Output is correct
14	Correct	96 ms	50372 KB	Output is correct
15	Correct	92 ms	39876 KB	Output is correct
16	Correct	232 ms	48584 KB	Output is correct
17	Correct	233 ms	46376 KB	Output is correct
18	Correct	268 ms	48744 KB	Output is correct
19	Correct	298 ms	52084 KB	Output is correct
20	Correct	324 ms	52784 KB	Output is correct
21	Correct	277 ms	55424 KB	Output is correct
22	Correct	352 ms	53016 KB	Output is correct
23	Correct	287 ms	55196 KB	Output is correct
24	Correct	299 ms	55172 KB	Output is correct
25	Correct	287 ms	52832 KB	Output is correct
26	Correct	302 ms	54980 KB	Output is correct
27	Correct	266 ms	52600 KB	Output is correct
28	Correct	4 ms	13916 KB	Output is correct
29	Correct	3 ms	13912 KB	Output is correct
30	Correct	3 ms	13916 KB	Output is correct
31	Correct	3 ms	13916 KB	Output is correct
32	Correct	3 ms	13916 KB	Output is correct
33	Correct	4 ms	13916 KB	Output is correct
34	Correct	3 ms	13916 KB	Output is correct
35	Correct	3 ms	14156 KB	Output is correct
36	Correct	4 ms	14168 KB	Output is correct
37	Correct	12 ms	16920 KB	Output is correct
38	Correct	113 ms	47188 KB	Output is correct
39	Correct	103 ms	47204 KB	Output is correct
40	Correct	103 ms	47304 KB	Output is correct
41	Correct	97 ms	47196 KB	Output is correct
42	Correct	100 ms	47056 KB	Output is correct
43	Correct	94 ms	44484 KB	Output is correct
44	Correct	106 ms	47300 KB	Output is correct
45	Correct	104 ms	47304 KB	Output is correct
46	Correct	99 ms	51400 KB	Output is correct
47	Correct	106 ms	47300 KB	Output is correct
48	Correct	21 ms	17028 KB	Output is correct
49	Correct	237 ms	48840 KB	Output is correct
50	Correct	229 ms	48780 KB	Output is correct
51	Correct	226 ms	48836 KB	Output is correct
52	Correct	225 ms	48956 KB	Output is correct
53	Correct	219 ms	46476 KB	Output is correct
54	Correct	183 ms	37584 KB	Output is correct
55	Correct	228 ms	49212 KB	Output is correct
56	Correct	256 ms	48760 KB	Output is correct
57	Correct	342 ms	52160 KB	Output is correct
58	Correct	260 ms	49444 KB	Output is correct
59	Correct	90 ms	22516 KB	Output is correct
60	Correct	238 ms	48840 KB	Output is correct
61	Correct	244 ms	46996 KB	Output is correct
62	Correct	253 ms	49336 KB	Output is correct
63	Correct	308 ms	52628 KB	Output is correct
64	Correct	4 ms	13912 KB	Output is correct
65	Correct	3 ms	13916 KB	Output is correct
66	Correct	3 ms	13916 KB	Output is correct
67	Correct	4 ms	14172 KB	Output is correct
68	Correct	3 ms	13916 KB	Output is correct
69	Correct	4 ms	14172 KB	Output is correct
70	Correct	4 ms	14168 KB	Output is correct
71	Correct	4 ms	14172 KB	Output is correct
72	Correct	4 ms	14172 KB	Output is correct
73	Correct	4 ms	14172 KB	Output is correct
74	Correct	138 ms	60348 KB	Output is correct
75	Correct	107 ms	47300 KB	Output is correct
76	Correct	110 ms	47556 KB	Output is correct
77	Correct	114 ms	50404 KB	Output is correct
78	Correct	103 ms	54828 KB	Output is correct
79	Correct	79 ms	45508 KB	Output is correct
80	Correct	121 ms	52420 KB	Output is correct
81	Correct	149 ms	63164 KB	Output is correct
82	Correct	164 ms	66300 KB	Output is correct
83	Correct	193 ms	72660 KB	Output is correct
84	Correct	97 ms	52936 KB	Output is correct
85	Correct	171 ms	72260 KB	Output is correct
86	Correct	73 ms	31176 KB	Output is correct
87	Correct	232 ms	52936 KB	Output is correct
88	Correct	266 ms	53064 KB	Output is correct
89	Correct	280 ms	56008 KB	Output is correct
90	Correct	213 ms	65476 KB	Output is correct
91	Correct	215 ms	60356 KB	Output is correct
92	Correct	280 ms	58000 KB	Output is correct
93	Correct	307 ms	70148 KB	Output is correct
94	Correct	370 ms	75088 KB	Output is correct
95	Correct	316 ms	80580 KB	Output is correct
96	Correct	354 ms	56448 KB	Output is correct
97	Correct	324 ms	64444 KB	Output is correct

답안 #876971

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 17.0 / 17.0

Subtask #4 20.0 / 20.0

Subtask #5 23.0 / 23.0

Subtask #6 27.0 / 27.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
17.0 / 17.0

Subtask #4
20.0 / 20.0

Subtask #5
23.0 / 23.0

Subtask #6
27.0 / 27.0