oj.uz

Submission #876974

# Submission time Handle Problem Language Result Execution time Memory
876974 2023-11-22T15:33:54 Z 8pete8 Swapping Cities (APIO20_swap) C++14
100 / 100
 308 ms 74884 KB 
#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,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++;
  if(u==v){
    yes[cnt]=true;
    adj[cnt].pb(v);
    pa[v]=cnt;
    return;
  }
  adj[cnt].pb(v);
  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<=(n+m+1);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 getMinimumFuelCapacity(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&&yes[a])return val[a];
  for(int i=lg;i>=0;i--)if((up[a][i]!=up[b][i])||(up[a][i]==up[b][i]&&!yes[up[a][i]]))a=up[a][i],b=up[b][i];
  if((up[a][0]==up[b][0])&&(yes[up[a][0]]))return val[up[a][0]];
  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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12888 KB Output is correct
2 Correct 3 ms 12892 KB Output is correct
3 Correct 2 ms 12892 KB Output is correct
4 Correct 2 ms 12916 KB Output is correct
5 Correct 3 ms 12892 KB Output is correct
6 Correct 2 ms 12892 KB Output is correct
7 Correct 2 ms 12892 KB Output is correct
8 Correct 3 ms 12892 KB Output is correct
9 Correct 89 ms 39204 KB Output is correct
10 Correct 116 ms 44560 KB Output is correct
11 Correct 97 ms 44484 KB Output is correct
12 Correct 106 ms 46796 KB Output is correct
13 Correct 104 ms 50028 KB Output is correct
14 Correct 102 ms 39276 KB Output is correct
15 Correct 200 ms 46224 KB Output is correct
16 Correct 187 ms 45896 KB Output is correct
17 Correct 205 ms 48508 KB Output is correct
18 Correct 244 ms 51596 KB Output is correct
19 Correct 68 ms 21248 KB Output is correct
20 Correct 188 ms 48644 KB Output is correct
21 Correct 192 ms 46468 KB Output is correct
22 Correct 212 ms 49160 KB Output is correct
23 Correct 280 ms 51948 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12888 KB Output is correct
2 Correct 3 ms 12892 KB Output is correct
3 Correct 269 ms 52332 KB Output is correct
4 Correct 241 ms 54832 KB Output is correct
5 Correct 289 ms 52684 KB Output is correct
6 Correct 231 ms 54676 KB Output is correct
7 Correct 256 ms 54776 KB Output is correct
8 Correct 230 ms 52252 KB Output is correct
9 Correct 277 ms 54724 KB Output is correct
10 Correct 231 ms 52196 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12888 KB Output is correct
2 Correct 3 ms 12892 KB Output is correct
3 Correct 2 ms 12892 KB Output is correct
4 Correct 2 ms 12916 KB Output is correct
5 Correct 3 ms 12892 KB Output is correct
6 Correct 2 ms 12892 KB Output is correct
7 Correct 2 ms 12892 KB Output is correct
8 Correct 3 ms 12892 KB Output is correct
9 Correct 2 ms 12892 KB Output is correct
10 Correct 3 ms 12892 KB Output is correct
11 Correct 3 ms 12892 KB Output is correct
12 Correct 5 ms 12892 KB Output is correct
13 Correct 3 ms 12892 KB Output is correct
14 Correct 2 ms 12892 KB Output is correct
15 Correct 3 ms 12892 KB Output is correct
16 Correct 4 ms 12892 KB Output is correct
17 Correct 2 ms 12892 KB Output is correct
18 Correct 3 ms 13044 KB Output is correct
19 Correct 3 ms 12892 KB Output is correct
20 Correct 3 ms 12892 KB Output is correct
21 Correct 3 ms 12888 KB Output is correct
22 Correct 3 ms 12892 KB Output is correct
23 Correct 2 ms 12892 KB Output is correct
24 Correct 4 ms 12892 KB Output is correct
25 Correct 3 ms 12892 KB Output is correct
26 Correct 3 ms 12888 KB Output is correct
27 Correct 3 ms 12892 KB Output is correct
28 Correct 3 ms 12892 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12892 KB Output is correct
2 Correct 2 ms 12888 KB Output is correct
3 Correct 3 ms 12892 KB Output is correct
4 Correct 2 ms 12892 KB Output is correct
5 Correct 2 ms 12916 KB Output is correct
6 Correct 3 ms 12892 KB Output is correct
7 Correct 2 ms 12892 KB Output is correct
8 Correct 2 ms 12892 KB Output is correct
9 Correct 3 ms 12892 KB Output is correct
10 Correct 89 ms 39204 KB Output is correct
11 Correct 116 ms 44560 KB Output is correct
12 Correct 97 ms 44484 KB Output is correct
13 Correct 106 ms 46796 KB Output is correct
14 Correct 104 ms 50028 KB Output is correct
15 Correct 3 ms 12892 KB Output is correct
16 Correct 3 ms 12892 KB Output is correct
17 Correct 5 ms 12892 KB Output is correct
18 Correct 3 ms 12892 KB Output is correct
19 Correct 2 ms 12892 KB Output is correct
20 Correct 3 ms 12892 KB Output is correct
21 Correct 4 ms 12892 KB Output is correct
22 Correct 2 ms 12892 KB Output is correct
23 Correct 3 ms 13044 KB Output is correct
24 Correct 3 ms 12892 KB Output is correct
25 Correct 3 ms 12892 KB Output is correct
26 Correct 3 ms 12888 KB Output is correct
27 Correct 3 ms 12892 KB Output is correct
28 Correct 2 ms 12892 KB Output is correct
29 Correct 4 ms 12892 KB Output is correct
30 Correct 3 ms 12892 KB Output is correct
31 Correct 3 ms 12888 KB Output is correct
32 Correct 3 ms 12892 KB Output is correct
33 Correct 3 ms 12892 KB Output is correct
34 Correct 13 ms 15900 KB Output is correct
35 Correct 109 ms 46964 KB Output is correct
36 Correct 114 ms 46788 KB Output is correct
37 Correct 105 ms 46792 KB Output is correct
38 Correct 102 ms 46944 KB Output is correct
39 Correct 117 ms 47044 KB Output is correct
40 Correct 87 ms 44036 KB Output is correct
41 Correct 118 ms 47024 KB Output is correct
42 Correct 99 ms 46788 KB Output is correct
43 Correct 98 ms 51144 KB Output is correct
44 Correct 125 ms 47044 KB Output is correct
45 Correct 149 ms 60036 KB Output is correct
46 Correct 107 ms 47040 KB Output is correct
47 Correct 110 ms 47044 KB Output is correct
48 Correct 112 ms 50116 KB Output is correct
49 Correct 103 ms 54272 KB Output is correct
50 Correct 90 ms 44996 KB Output is correct
51 Correct 118 ms 51916 KB Output is correct
52 Correct 158 ms 63680 KB Output is correct
53 Correct 191 ms 66160 KB Output is correct
54 Correct 181 ms 72840 KB Output is correct
55 Correct 107 ms 50776 KB Output is correct
56 Correct 177 ms 69060 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12888 KB Output is correct
2 Correct 3 ms 12892 KB Output is correct
3 Correct 2 ms 12892 KB Output is correct
4 Correct 2 ms 12916 KB Output is correct
5 Correct 3 ms 12892 KB Output is correct
6 Correct 2 ms 12892 KB Output is correct
7 Correct 2 ms 12892 KB Output is correct
8 Correct 3 ms 12892 KB Output is correct
9 Correct 89 ms 39204 KB Output is correct
10 Correct 116 ms 44560 KB Output is correct
11 Correct 97 ms 44484 KB Output is correct
12 Correct 106 ms 46796 KB Output is correct
13 Correct 104 ms 50028 KB Output is correct
14 Correct 102 ms 39276 KB Output is correct
15 Correct 200 ms 46224 KB Output is correct
16 Correct 187 ms 45896 KB Output is correct
17 Correct 205 ms 48508 KB Output is correct
18 Correct 244 ms 51596 KB Output is correct
19 Correct 269 ms 52332 KB Output is correct
20 Correct 241 ms 54832 KB Output is correct
21 Correct 289 ms 52684 KB Output is correct
22 Correct 231 ms 54676 KB Output is correct
23 Correct 256 ms 54776 KB Output is correct
24 Correct 230 ms 52252 KB Output is correct
25 Correct 277 ms 54724 KB Output is correct
26 Correct 231 ms 52196 KB Output is correct
27 Correct 3 ms 12892 KB Output is correct
28 Correct 3 ms 12892 KB Output is correct
29 Correct 5 ms 12892 KB Output is correct
30 Correct 3 ms 12892 KB Output is correct
31 Correct 2 ms 12892 KB Output is correct
32 Correct 3 ms 12892 KB Output is correct
33 Correct 4 ms 12892 KB Output is correct
34 Correct 2 ms 12892 KB Output is correct
35 Correct 3 ms 13044 KB Output is correct
36 Correct 13 ms 15900 KB Output is correct
37 Correct 109 ms 46964 KB Output is correct
38 Correct 114 ms 46788 KB Output is correct
39 Correct 105 ms 46792 KB Output is correct
40 Correct 102 ms 46944 KB Output is correct
41 Correct 117 ms 47044 KB Output is correct
42 Correct 87 ms 44036 KB Output is correct
43 Correct 118 ms 47024 KB Output is correct
44 Correct 99 ms 46788 KB Output is correct
45 Correct 98 ms 51144 KB Output is correct
46 Correct 125 ms 47044 KB Output is correct
47 Correct 17 ms 16036 KB Output is correct
48 Correct 198 ms 48384 KB Output is correct
49 Correct 215 ms 48588 KB Output is correct
50 Correct 237 ms 48512 KB Output is correct
51 Correct 202 ms 48496 KB Output is correct
52 Correct 194 ms 46020 KB Output is correct
53 Correct 152 ms 36868 KB Output is correct
54 Correct 219 ms 48828 KB Output is correct
55 Correct 248 ms 48584 KB Output is correct
56 Correct 308 ms 51820 KB Output is correct
57 Correct 245 ms 48900 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12892 KB Output is correct
2 Correct 2 ms 12888 KB Output is correct
3 Correct 3 ms 12892 KB Output is correct
4 Correct 2 ms 12892 KB Output is correct
5 Correct 2 ms 12916 KB Output is correct
6 Correct 3 ms 12892 KB Output is correct
7 Correct 2 ms 12892 KB Output is correct
8 Correct 2 ms 12892 KB Output is correct
9 Correct 3 ms 12892 KB Output is correct
10 Correct 89 ms 39204 KB Output is correct
11 Correct 116 ms 44560 KB Output is correct
12 Correct 97 ms 44484 KB Output is correct
13 Correct 106 ms 46796 KB Output is correct
14 Correct 104 ms 50028 KB Output is correct
15 Correct 102 ms 39276 KB Output is correct
16 Correct 200 ms 46224 KB Output is correct
17 Correct 187 ms 45896 KB Output is correct
18 Correct 205 ms 48508 KB Output is correct
19 Correct 244 ms 51596 KB Output is correct
20 Correct 269 ms 52332 KB Output is correct
21 Correct 241 ms 54832 KB Output is correct
22 Correct 289 ms 52684 KB Output is correct
23 Correct 231 ms 54676 KB Output is correct
24 Correct 256 ms 54776 KB Output is correct
25 Correct 230 ms 52252 KB Output is correct
26 Correct 277 ms 54724 KB Output is correct
27 Correct 231 ms 52196 KB Output is correct
28 Correct 3 ms 12892 KB Output is correct
29 Correct 3 ms 12892 KB Output is correct
30 Correct 5 ms 12892 KB Output is correct
31 Correct 3 ms 12892 KB Output is correct
32 Correct 2 ms 12892 KB Output is correct
33 Correct 3 ms 12892 KB Output is correct
34 Correct 4 ms 12892 KB Output is correct
35 Correct 2 ms 12892 KB Output is correct
36 Correct 3 ms 13044 KB Output is correct
37 Correct 13 ms 15900 KB Output is correct
38 Correct 109 ms 46964 KB Output is correct
39 Correct 114 ms 46788 KB Output is correct
40 Correct 105 ms 46792 KB Output is correct
41 Correct 102 ms 46944 KB Output is correct
42 Correct 117 ms 47044 KB Output is correct
43 Correct 87 ms 44036 KB Output is correct
44 Correct 118 ms 47024 KB Output is correct
45 Correct 99 ms 46788 KB Output is correct
46 Correct 98 ms 51144 KB Output is correct
47 Correct 125 ms 47044 KB Output is correct
48 Correct 17 ms 16036 KB Output is correct
49 Correct 198 ms 48384 KB Output is correct
50 Correct 215 ms 48588 KB Output is correct
51 Correct 237 ms 48512 KB Output is correct
52 Correct 202 ms 48496 KB Output is correct
53 Correct 194 ms 46020 KB Output is correct
54 Correct 152 ms 36868 KB Output is correct
55 Correct 219 ms 48828 KB Output is correct
56 Correct 248 ms 48584 KB Output is correct
57 Correct 308 ms 51820 KB Output is correct
58 Correct 245 ms 48900 KB Output is correct
59 Correct 68 ms 21248 KB Output is correct
60 Correct 188 ms 48644 KB Output is correct
61 Correct 192 ms 46468 KB Output is correct
62 Correct 212 ms 49160 KB Output is correct
63 Correct 280 ms 51948 KB Output is correct
64 Correct 3 ms 12892 KB Output is correct
65 Correct 3 ms 12892 KB Output is correct
66 Correct 3 ms 12888 KB Output is correct
67 Correct 3 ms 12892 KB Output is correct
68 Correct 2 ms 12892 KB Output is correct
69 Correct 4 ms 12892 KB Output is correct
70 Correct 3 ms 12892 KB Output is correct
71 Correct 3 ms 12888 KB Output is correct
72 Correct 3 ms 12892 KB Output is correct
73 Correct 3 ms 12892 KB Output is correct
74 Correct 149 ms 60036 KB Output is correct
75 Correct 107 ms 47040 KB Output is correct
76 Correct 110 ms 47044 KB Output is correct
77 Correct 112 ms 50116 KB Output is correct
78 Correct 103 ms 54272 KB Output is correct
79 Correct 90 ms 44996 KB Output is correct
80 Correct 118 ms 51916 KB Output is correct
81 Correct 158 ms 63680 KB Output is correct
82 Correct 191 ms 66160 KB Output is correct
83 Correct 181 ms 72840 KB Output is correct
84 Correct 107 ms 50776 KB Output is correct
85 Correct 177 ms 69060 KB Output is correct
86 Correct 58 ms 28884 KB Output is correct
87 Correct 228 ms 48488 KB Output is correct
88 Correct 197 ms 48488 KB Output is correct
89 Correct 290 ms 51396 KB Output is correct
90 Correct 189 ms 59480 KB Output is correct
91 Correct 179 ms 55488 KB Output is correct
92 Correct 220 ms 52680 KB Output is correct
93 Correct 258 ms 65024 KB Output is correct
94 Correct 297 ms 68036 KB Output is correct
95 Correct 290 ms 74884 KB Output is correct
96 Correct 276 ms 51832 KB Output is correct
97 Correct 285 ms 60036 KB Output is correct