oj.uz

Submission #1057470

# Submission time Handle Problem Language Result Execution time Memory
1057470 2024-08-13T20:21:22 Z dosts Swapping Cities (APIO20_swap) C++17
100 / 100
 218 ms 28636 KB 
#include "swap.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
using namespace std;
//#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<    
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e9;
const int L = 2e5+1;
vi getter(L,inf);
struct DSU {
  int n;
  vi dad,change,sz;
  DSU(){};
  DSU(int nn) {
    n = nn;
    dad.resize(n),change.assign(n,inf),sz.assign(n,1);
    iota(dad.begin(),dad.end(),0ll);
  }
  int find(int x,int t) {
    if (change[x]==inf || change[x] > t) return x;
    return find(dad[x],t);
  }
  void unite(int x,int y,int t) {
    int a = find(x,t);
    int b = find(y,t);
    if (a == b) {
      getter[a] = min(getter[a],t);
      return;
    }
    if (sz[a] < sz[b]) swap(a,b);
    dad[b] = a;
    sz[a]+=sz[b];
    change[b] = t;
    if (getter[b] != inf) getter[a] = min(getter[a],t);
  }
};

vi vv;

int idx(int xx) {
  return upper_bound(all(vv),xx)-vv.begin();
}

map<int,int> realy;
DSU dsu;

int nn;
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    nn = N;
    for (int i=0;i<M;i++) vv.push_back(W[i]);
    sort(all(vv));
    vv.erase(unique(all(vv)),vv.end());
    int cc = 1;
    for (auto it : vv) realy[cc++] = it; 
    dsu = DSU(N);
    vector<pair<int,pii>> edges;
    for (int i=0;i<M;i++) edges.push_back({idx(W[i]),{U[i],V[i]}});
    vi edg(N,0);
    sort(all(edges));
    for (auto it : edges) {
      dsu.unite(it.ss.ff,it.ss.ss,it.ff);
      edg[it.ss.ff]++;
      edg[it.ss.ss]++;
      if (edg[it.ss.ff] == 3 || edg[it.ss.ss] == 3) {
        getter[dsu.find(it.ss.ff,it.ff)] = min(it.ff,getter[dsu.find(it.ss.ff,it.ff)]);
      }
    }
}

int getMinimumFuelCapacity(int X, int Y) {
  int sz = vv.size();
  int l = 1;
  int r = sz;
  while (l<=r) {
    int m = (l+r) >> 1;
    if (dsu.find(X,m) != dsu.find(Y,m)) {
      l = m+1;
      continue;
    }
    int p = dsu.find(X,m);
    if (getter[p] > m) l = m+1;
    else r = m-1;
  }
  if (l <= sz) return realy[l];
  return -1;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 39 ms 9884 KB Output is correct
10 Correct 46 ms 11344 KB Output is correct
11 Correct 45 ms 11088 KB Output is correct
12 Correct 46 ms 11600 KB Output is correct
13 Correct 46 ms 11588 KB Output is correct
14 Correct 44 ms 9800 KB Output is correct
15 Correct 119 ms 12872 KB Output is correct
16 Correct 118 ms 12616 KB Output is correct
17 Correct 128 ms 13124 KB Output is correct
18 Correct 91 ms 13124 KB Output is correct
19 Correct 67 ms 5980 KB Output is correct
20 Correct 138 ms 12796 KB Output is correct
21 Correct 186 ms 12832 KB Output is correct
22 Correct 142 ms 13128 KB Output is correct
23 Correct 104 ms 13144 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 163 ms 12568 KB Output is correct
4 Correct 135 ms 13048 KB Output is correct
5 Correct 127 ms 12872 KB Output is correct
6 Correct 125 ms 13128 KB Output is correct
7 Correct 153 ms 12872 KB Output is correct
8 Correct 140 ms 12612 KB Output is correct
9 Correct 131 ms 12856 KB Output is correct
10 Correct 140 ms 12616 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 1 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1372 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 1 ms 1372 KB Output is correct
25 Correct 2 ms 1284 KB Output is correct
26 Correct 1 ms 1372 KB Output is correct
27 Correct 1 ms 1116 KB Output is correct
28 Correct 2 ms 1372 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 0 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 39 ms 9884 KB Output is correct
11 Correct 46 ms 11344 KB Output is correct
12 Correct 45 ms 11088 KB Output is correct
13 Correct 46 ms 11600 KB Output is correct
14 Correct 46 ms 11588 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 1 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 1 ms 1116 KB Output is correct
25 Correct 1 ms 1116 KB Output is correct
26 Correct 1 ms 1116 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 1 ms 1372 KB Output is correct
30 Correct 2 ms 1284 KB Output is correct
31 Correct 1 ms 1372 KB Output is correct
32 Correct 1 ms 1116 KB Output is correct
33 Correct 2 ms 1372 KB Output is correct
34 Correct 6 ms 2652 KB Output is correct
35 Correct 46 ms 11344 KB Output is correct
36 Correct 69 ms 11332 KB Output is correct
37 Correct 46 ms 11340 KB Output is correct
38 Correct 45 ms 11280 KB Output is correct
39 Correct 45 ms 11124 KB Output is correct
40 Correct 43 ms 10568 KB Output is correct
41 Correct 50 ms 11600 KB Output is correct
42 Correct 46 ms 13128 KB Output is correct
43 Correct 46 ms 13128 KB Output is correct
44 Correct 47 ms 13764 KB Output is correct
45 Correct 73 ms 20772 KB Output is correct
46 Correct 46 ms 13256 KB Output is correct
47 Correct 46 ms 13224 KB Output is correct
48 Correct 53 ms 14152 KB Output is correct
49 Correct 78 ms 20480 KB Output is correct
50 Correct 58 ms 14260 KB Output is correct
51 Correct 65 ms 15936 KB Output is correct
52 Correct 89 ms 21516 KB Output is correct
53 Correct 96 ms 23684 KB Output is correct
54 Correct 149 ms 25796 KB Output is correct
55 Correct 46 ms 13128 KB Output is correct
56 Correct 91 ms 23160 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 39 ms 9884 KB Output is correct
10 Correct 46 ms 11344 KB Output is correct
11 Correct 45 ms 11088 KB Output is correct
12 Correct 46 ms 11600 KB Output is correct
13 Correct 46 ms 11588 KB Output is correct
14 Correct 44 ms 9800 KB Output is correct
15 Correct 119 ms 12872 KB Output is correct
16 Correct 118 ms 12616 KB Output is correct
17 Correct 128 ms 13124 KB Output is correct
18 Correct 91 ms 13124 KB Output is correct
19 Correct 163 ms 12568 KB Output is correct
20 Correct 135 ms 13048 KB Output is correct
21 Correct 127 ms 12872 KB Output is correct
22 Correct 125 ms 13128 KB Output is correct
23 Correct 153 ms 12872 KB Output is correct
24 Correct 140 ms 12612 KB Output is correct
25 Correct 131 ms 12856 KB Output is correct
26 Correct 140 ms 12616 KB Output is correct
27 Correct 1 ms 1116 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 1 ms 1116 KB Output is correct
30 Correct 1 ms 1116 KB Output is correct
31 Correct 1 ms 1116 KB Output is correct
32 Correct 1 ms 1116 KB Output is correct
33 Correct 1 ms 1116 KB Output is correct
34 Correct 1 ms 1116 KB Output is correct
35 Correct 1 ms 1116 KB Output is correct
36 Correct 6 ms 2652 KB Output is correct
37 Correct 46 ms 11344 KB Output is correct
38 Correct 69 ms 11332 KB Output is correct
39 Correct 46 ms 11340 KB Output is correct
40 Correct 45 ms 11280 KB Output is correct
41 Correct 45 ms 11124 KB Output is correct
42 Correct 43 ms 10568 KB Output is correct
43 Correct 50 ms 11600 KB Output is correct
44 Correct 46 ms 13128 KB Output is correct
45 Correct 46 ms 13128 KB Output is correct
46 Correct 47 ms 13764 KB Output is correct
47 Correct 13 ms 3208 KB Output is correct
48 Correct 139 ms 17088 KB Output is correct
49 Correct 141 ms 17224 KB Output is correct
50 Correct 157 ms 17064 KB Output is correct
51 Correct 166 ms 16964 KB Output is correct
52 Correct 135 ms 16452 KB Output is correct
53 Correct 118 ms 14124 KB Output is correct
54 Correct 144 ms 17736 KB Output is correct
55 Correct 141 ms 17224 KB Output is correct
56 Correct 139 ms 17068 KB Output is correct
57 Correct 153 ms 17736 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Correct 0 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 39 ms 9884 KB Output is correct
11 Correct 46 ms 11344 KB Output is correct
12 Correct 45 ms 11088 KB Output is correct
13 Correct 46 ms 11600 KB Output is correct
14 Correct 46 ms 11588 KB Output is correct
15 Correct 44 ms 9800 KB Output is correct
16 Correct 119 ms 12872 KB Output is correct
17 Correct 118 ms 12616 KB Output is correct
18 Correct 128 ms 13124 KB Output is correct
19 Correct 91 ms 13124 KB Output is correct
20 Correct 163 ms 12568 KB Output is correct
21 Correct 135 ms 13048 KB Output is correct
22 Correct 127 ms 12872 KB Output is correct
23 Correct 125 ms 13128 KB Output is correct
24 Correct 153 ms 12872 KB Output is correct
25 Correct 140 ms 12612 KB Output is correct
26 Correct 131 ms 12856 KB Output is correct
27 Correct 140 ms 12616 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 1 ms 1116 KB Output is correct
30 Correct 1 ms 1116 KB Output is correct
31 Correct 1 ms 1116 KB Output is correct
32 Correct 1 ms 1116 KB Output is correct
33 Correct 1 ms 1116 KB Output is correct
34 Correct 1 ms 1116 KB Output is correct
35 Correct 1 ms 1116 KB Output is correct
36 Correct 1 ms 1116 KB Output is correct
37 Correct 6 ms 2652 KB Output is correct
38 Correct 46 ms 11344 KB Output is correct
39 Correct 69 ms 11332 KB Output is correct
40 Correct 46 ms 11340 KB Output is correct
41 Correct 45 ms 11280 KB Output is correct
42 Correct 45 ms 11124 KB Output is correct
43 Correct 43 ms 10568 KB Output is correct
44 Correct 50 ms 11600 KB Output is correct
45 Correct 46 ms 13128 KB Output is correct
46 Correct 46 ms 13128 KB Output is correct
47 Correct 47 ms 13764 KB Output is correct
48 Correct 13 ms 3208 KB Output is correct
49 Correct 139 ms 17088 KB Output is correct
50 Correct 141 ms 17224 KB Output is correct
51 Correct 157 ms 17064 KB Output is correct
52 Correct 166 ms 16964 KB Output is correct
53 Correct 135 ms 16452 KB Output is correct
54 Correct 118 ms 14124 KB Output is correct
55 Correct 144 ms 17736 KB Output is correct
56 Correct 141 ms 17224 KB Output is correct
57 Correct 139 ms 17068 KB Output is correct
58 Correct 153 ms 17736 KB Output is correct
59 Correct 67 ms 5980 KB Output is correct
60 Correct 138 ms 12796 KB Output is correct
61 Correct 186 ms 12832 KB Output is correct
62 Correct 142 ms 13128 KB Output is correct
63 Correct 104 ms 13144 KB Output is correct
64 Correct 1 ms 1116 KB Output is correct
65 Correct 1 ms 1116 KB Output is correct
66 Correct 1 ms 1116 KB Output is correct
67 Correct 1 ms 1372 KB Output is correct
68 Correct 1 ms 1116 KB Output is correct
69 Correct 1 ms 1372 KB Output is correct
70 Correct 2 ms 1284 KB Output is correct
71 Correct 1 ms 1372 KB Output is correct
72 Correct 1 ms 1116 KB Output is correct
73 Correct 2 ms 1372 KB Output is correct
74 Correct 73 ms 20772 KB Output is correct
75 Correct 46 ms 13256 KB Output is correct
76 Correct 46 ms 13224 KB Output is correct
77 Correct 53 ms 14152 KB Output is correct
78 Correct 78 ms 20480 KB Output is correct
79 Correct 58 ms 14260 KB Output is correct
80 Correct 65 ms 15936 KB Output is correct
81 Correct 89 ms 21516 KB Output is correct
82 Correct 96 ms 23684 KB Output is correct
83 Correct 149 ms 25796 KB Output is correct
84 Correct 46 ms 13128 KB Output is correct
85 Correct 91 ms 23160 KB Output is correct
86 Correct 47 ms 8088 KB Output is correct
87 Correct 141 ms 17008 KB Output is correct
88 Correct 142 ms 17132 KB Output is correct
89 Correct 164 ms 17508 KB Output is correct
90 Correct 164 ms 23784 KB Output is correct
91 Correct 149 ms 23748 KB Output is correct
92 Correct 162 ms 19272 KB Output is correct
93 Correct 183 ms 25076 KB Output is correct
94 Correct 196 ms 28100 KB Output is correct
95 Correct 218 ms 28636 KB Output is correct
96 Correct 125 ms 17216 KB Output is correct
97 Correct 168 ms 23776 KB Output is correct