oj.uz

Submission #990051

# Submission time Handle Problem Language Result Execution time Memory
990051 2024-05-29T12:29:55 Z AdamGS Sorting (IOI15_sorting) C++17
100 / 100
 127 ms 21244 KB 
#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
int F[LIM];
int fnd(int x) {
  if(F[x]==x) return x;
  return F[x]=fnd(F[x]);
}
bool uni(int a, int b) {
  if(fnd(a)==fnd(b)) return false;
  F[fnd(b)]=fnd(a);
  return true;
}
int findSwapPairs(int n, int S[], int m, int X[], int Y[], int P[], int Q[]) {
  int po=0, ko=m;
  while(po<ko) {
    int sr=(po+ko)/2;
    vector<int>T(n);
    rep(i, n) T[i]=S[i];
    rep(i, sr) swap(T[X[i]], T[Y[i]]);
    rep(i, n) F[i]=i;
    int p=0;
    rep(i, n) if(uni(i, T[i])) ++p;
    if(p<=sr) ko=sr; else po=sr+1;
  }
  m=po;
  vector<int>T(n);
  rep(i, n) T[i]=S[i];
  vector<int>C=T;
  rep(i, m) swap(T[X[i]], T[Y[i]]);
  vector<int>Z(n);
  rep(i, n) Z[C[i]]=i;
  int l=0;
  rep(i, m) {
    swap(C[X[i]], C[Y[i]]);
    swap(Z[C[X[i]]], Z[C[Y[i]]]);
    while(l<n && T[l]==l) ++l;
    if(l==n) {
      P[i]=Q[i]=0;
      continue;
    }
    int a=Z[T[l]], b=Z[T[T[l]]];
    P[i]=a;
    Q[i]=b;
    swap(C[a], C[b]);
    swap(Z[C[a]], Z[C[b]]);
    swap(T[l], T[T[l]]);
  }
  return m;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 400 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 400 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct

Subtask #6
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 94 ms 9656 KB Output is correct
16 Correct 102 ms 17540 KB Output is correct
17 Correct 125 ms 20572 KB Output is correct
18 Correct 56 ms 16304 KB Output is correct
19 Correct 106 ms 18136 KB Output is correct
20 Correct 127 ms 18508 KB Output is correct
21 Correct 107 ms 18624 KB Output is correct
22 Correct 88 ms 13816 KB Output is correct
23 Correct 109 ms 19248 KB Output is correct
24 Correct 112 ms 19184 KB Output is correct
25 Correct 114 ms 19456 KB Output is correct
26 Correct 103 ms 20292 KB Output is correct
27 Correct 94 ms 19792 KB Output is correct
28 Correct 110 ms 18980 KB Output is correct
29 Correct 108 ms 20480 KB Output is correct
30 Correct 88 ms 17868 KB Output is correct
31 Correct 110 ms 19400 KB Output is correct
32 Correct 105 ms 18656 KB Output is correct
33 Correct 110 ms 19436 KB Output is correct
34 Correct 113 ms 19320 KB Output is correct
35 Correct 101 ms 17756 KB Output is correct
36 Correct 46 ms 17480 KB Output is correct
37 Correct 116 ms 20296 KB Output is correct
38 Correct 114 ms 19344 KB Output is correct
39 Correct 112 ms 21244 KB Output is correct