oj.uz

Submission #590134

# Submission time Handle Problem Language Result Execution time Memory
590134 2022-07-05T14:44:19 Z alirezasamimi100 Sorting (IOI15_sorting) C++17
100 / 100
 175 ms 20820 KB 
#include "sorting.h"
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
using namespace std;
using pii = pair<int, int>;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    int l=-1,r=M,k,T[N],f[N],R[N];
    vector<pii> mv;
    while(r-l>1){
        int m=(l+r)>>1;
        k=N;
        memset(f,0,sizeof f);
        for(int i=0; i<N; i++) T[i]=S[i];
        for(int i=0; i<m; i++){
            swap(T[X[i]],T[Y[i]]);
        }
        for(int i=0; i<N; i++){
            if(f[i]) continue;
            k--;
            int x=i;
            while(!f[x]){
                f[x]=1;
                x=T[x];
            }
        }
        if(k<=m) r=m;
        else l=m;
    }
    memset(f,0,sizeof f);
    for(int i=0; i<N; i++){
        T[i]=S[i];
        R[S[i]]=i;
    }
    for(int i=0; i<r; i++){
        swap(T[X[i]],T[Y[i]]);
    }
    for(int i=0; i<N; i++){
        if(f[i]) continue;
        int x=i;
        while(!f[x]){
            f[x]=1;
            x=T[x];
            if(x!=i) mv.pb({i,x});
        }
    }
    int p=0;
    for(int i=0; i<r; i++){
        swap(R[S[X[i]]],R[S[Y[i]]]);
        swap(S[X[i]],S[Y[i]]);
        if(p<(int)mv.size()){
            P[p]=R[mv[p].F];
            Q[p]=R[mv[p].S];
            p++;
        }else{
            P[p]=Q[p]=0;
            p++;
        }
    }
	return r;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 212 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 300 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 2 ms 428 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 372 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 448 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 436 KB Output is correct
9 Correct 2 ms 440 KB Output is correct
10 Correct 2 ms 440 KB Output is correct
11 Correct 2 ms 444 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #6
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 372 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 448 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 436 KB Output is correct
9 Correct 2 ms 440 KB Output is correct
10 Correct 2 ms 440 KB Output is correct
11 Correct 2 ms 444 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 135 ms 18600 KB Output is correct
16 Correct 150 ms 19112 KB Output is correct
17 Correct 175 ms 20060 KB Output is correct
18 Correct 62 ms 15568 KB Output is correct
19 Correct 120 ms 18416 KB Output is correct
20 Correct 145 ms 18996 KB Output is correct
21 Correct 139 ms 19088 KB Output is correct
22 Correct 125 ms 15452 KB Output is correct
23 Correct 142 ms 20820 KB Output is correct
24 Correct 163 ms 20452 KB Output is correct
25 Correct 150 ms 20384 KB Output is correct
26 Correct 132 ms 19152 KB Output is correct
27 Correct 125 ms 18468 KB Output is correct
28 Correct 154 ms 20400 KB Output is correct
29 Correct 146 ms 19884 KB Output is correct
30 Correct 90 ms 17876 KB Output is correct
31 Correct 142 ms 20372 KB Output is correct
32 Correct 150 ms 19996 KB Output is correct
33 Correct 152 ms 20480 KB Output is correct
34 Correct 146 ms 20416 KB Output is correct
35 Correct 122 ms 18304 KB Output is correct
36 Correct 46 ms 16684 KB Output is correct
37 Correct 155 ms 20628 KB Output is correct
38 Correct 158 ms 20244 KB Output is correct
39 Correct 147 ms 19700 KB Output is correct