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Submission #16646

# Submission time Handle Problem Language Result Execution time Memory
16646 2015-09-02T11:54:41 Z khsoo01 Sorting (IOI15_sorting) C++
100 / 100
 405 ms 18552 KB 
#include<bits/stdc++.h>
#include "sorting.h"
using namespace std;
int n,m,cur[600005],def[600005],x[600005],y[600005];
int p[600005],q[600005],where[600005],cnt,ans;

void Swap(int A,int B) {
    int tmp;
    tmp=where[cur[A]];
    where[cur[A]]=where[cur[B]];
    where[cur[B]]=tmp;
    tmp=cur[A];
    cur[A]=cur[B];
    cur[B]=tmp;
}

int param(int s,int e) {
    int piv=(s+e)/2,i;
    for(i=0;i<n;i++) {
        cur[i]=def[i];
        where[cur[i]]=i;
    }
    for(i=0;i<piv;i++) {
        Swap(x[i],y[i]);
    }
    cnt=0;
    for(i=0;i<n;i++) {
        while(cur[i]!=i) {
            p[cnt]=cur[i];
            q[cnt]=cur[cur[i]];
            Swap(i,cur[i]);
            cnt++;
        }
    }
    if(s==e)return s;
    if(cnt<=piv) return param(s,piv);
    return param(piv+1,e);
}

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    int i; n=N; m=M;
    for(i=0;i<n;i++) def[i]=S[i];
    for(i=0;i<m;i++) {
        x[i]=X[i];
        y[i]=Y[i];
    }
    ans=param(0,m);
    for(i=0;i<n;i++) {
        cur[i]=def[i];
        where[cur[i]]=i;
    }
    for(i=0;i<cnt;i++) {
        Swap(x[i],y[i]);
        P[i]=where[p[i]]; Q[i]=where[q[i]];
        Swap(where[p[i]],where[q[i]]);
    }
    for(i=cnt;i<ans;i++) {P[i]=0;Q[i]=0;}
    return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 640 KB Output is correct
22 Correct 4 ms 640 KB Output is correct
23 Correct 3 ms 640 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 640 KB Output is correct
26 Correct 3 ms 640 KB Output is correct
27 Correct 3 ms 640 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 3 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 4 ms 512 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 3 ms 512 KB Output is correct

Subtask #6
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 3 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 4 ms 512 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 3 ms 512 KB Output is correct
15 Correct 294 ms 15776 KB Output is correct
16 Correct 336 ms 16112 KB Output is correct
17 Correct 405 ms 17364 KB Output is correct
18 Correct 83 ms 13432 KB Output is correct
19 Correct 174 ms 15864 KB Output is correct
20 Correct 199 ms 16548 KB Output is correct
21 Correct 189 ms 16476 KB Output is correct
22 Correct 344 ms 17112 KB Output is correct
23 Correct 321 ms 17528 KB Output is correct
24 Correct 355 ms 17472 KB Output is correct
25 Correct 351 ms 17660 KB Output is correct
26 Correct 235 ms 15864 KB Output is correct
27 Correct 238 ms 14968 KB Output is correct
28 Correct 372 ms 17180 KB Output is correct
29 Correct 367 ms 17132 KB Output is correct
30 Correct 217 ms 14148 KB Output is correct
31 Correct 325 ms 17528 KB Output is correct
32 Correct 286 ms 17016 KB Output is correct
33 Correct 322 ms 17784 KB Output is correct
34 Correct 337 ms 17400 KB Output is correct
35 Correct 194 ms 15736 KB Output is correct
36 Correct 50 ms 12792 KB Output is correct
37 Correct 293 ms 18552 KB Output is correct
38 Correct 245 ms 17528 KB Output is correct
39 Correct 282 ms 17980 KB Output is correct