답안 #155092

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
155092	2019-09-26T09:01:18 Z	dennisstar	정렬하기 (IOI15_sorting)	C++11	100 / 100	756 ms	25052 KB

sorting

#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
int *s, *x, *y, *p, *q;
int ans;
int n, m;
int A[200010], B[200010], posB[200010], F[200010], posF[200010];
//현재 에르맥, 현재 수열, 현재 수열의 pos, 결과 수열, 결과 수열의 pos
int seq[600010][2], tp;
bool canSwap(int l)
{
	int i; tp=0;
	for (i=0; i<n; i++) A[i]=i, B[i]=s[i], posB[s[i]]=i, F[i]=s[i], posF[s[i]]=i;
	for (i=0; i<l; i++) {
		swap(F[x[i]], F[y[i]]);
		swap(posF[F[x[i]]], posF[F[y[i]]]);
	}
	for (i=l-1; i>=0; i--) swap(A[x[i]], A[y[i]]);
	while (tp<n&&F[tp]==tp) tp++;
	for (i=0; i<l; i++) {
		swap(A[x[i]], A[y[i]]);
		swap(B[x[i]], B[y[i]]);
		swap(posB[B[x[i]]], posB[B[y[i]]]);
		int i1=F[tp], i2=F[posF[tp]];
		swap(F[tp], F[posF[tp]]);
		swap(posF[i1], posF[i2]);
		seq[i][0]=posB[i1], seq[i][1]=posB[i2];
		swap(B[posB[i1]], B[posB[i2]]);
		swap(posB[i1], posB[i2]);
		//for (int j=0; j<n; j++) printf("%d ", A[j]); puts("");
		//for (int j=0; j<n; j++) printf("%d ", B[j]); puts("");
		//for (int j=0; j<n; j++) printf("%d ", F[j]); puts("");
		//puts("");
		while (tp<n&&F[tp]==tp) tp++;
		if (tp>=n) break;
	}
	if (tp>=n) {
		//printf("%d\n", l);
		for (int j=0; j<=i; j++) p[j]=seq[j][0], q[j]=seq[j][1];
		for (int j=i+1; j<l; j++) p[j]=q[j]=1;
		ans=l;
		return true;
	}
	return false;
}

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    s=S; x=X; y=Y; p=P; q=Q; n=N; m=M;
	int st=0, re=M;
	while (st<re) {
		int md=(st+re)/2;
		if (canSwap(md)) re=md;
		else st=md+1;
		//puts("");
	}
	return ans;
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	504 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	632 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	3 ms	628 KB	Output is correct
24	Correct	3 ms	636 KB	Output is correct
25	Correct	3 ms	632 KB	Output is correct
26	Correct	3 ms	632 KB	Output is correct
27	Correct	3 ms	632 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	4 ms	820 KB	Output is correct
8	Correct	4 ms	608 KB	Output is correct
9	Correct	4 ms	504 KB	Output is correct
10	Correct	4 ms	504 KB	Output is correct
11	Correct	4 ms	504 KB	Output is correct
12	Correct	3 ms	632 KB	Output is correct
13	Correct	4 ms	632 KB	Output is correct
14	Correct	2 ms	504 KB	Output is correct

Subtask #6
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	4 ms	820 KB	Output is correct
8	Correct	4 ms	608 KB	Output is correct
9	Correct	4 ms	504 KB	Output is correct
10	Correct	4 ms	504 KB	Output is correct
11	Correct	4 ms	504 KB	Output is correct
12	Correct	3 ms	632 KB	Output is correct
13	Correct	4 ms	632 KB	Output is correct
14	Correct	2 ms	504 KB	Output is correct
15	Correct	440 ms	22208 KB	Output is correct
16	Correct	544 ms	22648 KB	Output is correct
17	Correct	678 ms	23928 KB	Output is correct
18	Correct	128 ms	20648 KB	Output is correct
19	Correct	321 ms	23072 KB	Output is correct
20	Correct	345 ms	23780 KB	Output is correct
21	Correct	345 ms	23800 KB	Output is correct
22	Correct	481 ms	19192 KB	Output is correct
23	Correct	491 ms	24824 KB	Output is correct
24	Correct	706 ms	24516 KB	Output is correct
25	Correct	756 ms	24012 KB	Output is correct
26	Correct	502 ms	23148 KB	Output is correct
27	Correct	435 ms	22364 KB	Output is correct
28	Correct	673 ms	24312 KB	Output is correct
29	Correct	614 ms	23748 KB	Output is correct
30	Correct	413 ms	21624 KB	Output is correct
31	Correct	625 ms	24248 KB	Output is correct
32	Correct	488 ms	23828 KB	Output is correct
33	Correct	671 ms	24316 KB	Output is correct
34	Correct	607 ms	24400 KB	Output is correct
35	Correct	366 ms	22624 KB	Output is correct
36	Correct	78 ms	20600 KB	Output is correct
37	Correct	599 ms	25052 KB	Output is correct
38	Correct	512 ms	24000 KB	Output is correct
39	Correct	552 ms	24228 KB	Output is correct

답안 #155092

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 12.0 / 12.0

Subtask #3 16.0 / 16.0

Subtask #4 18.0 / 18.0

Subtask #5 20.0 / 20.0

Subtask #6 26.0 / 26.0

Subtask #1
8.0 / 8.0

Subtask #2
12.0 / 12.0

Subtask #3
16.0 / 16.0

Subtask #4
18.0 / 18.0

Subtask #5
20.0 / 20.0

Subtask #6
26.0 / 26.0