답안 #221805

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
221805 2020-04-11T07:56:40 Z patrikpavic2 정렬하기 (IOI15_sorting) C++17
100 / 100
494 ms 33956 KB
/**
* user:  ppavic
* fname: Patrik
* lname: Pavić
* task:  sorting
* score: 100.0
* date:  2019-06-23 09:06:27.945005
*/
#include "sorting.h"
#include <cstdio>
#include <cstring>
#include <vector>
#include <queue> 
#include <algorithm>

using namespace std;

const int N = 1e6 + 500;

int E[N], EE[N], P[N], Q[N], S[N], SSS[N], X[N], Y[N], n;
queue < int > q;

bool check(int m){
	for(int i = 0;i < n;i++) S[i] = SSS[i];
	for(int i = 0;i < n;i++) EE[i] = i, E[i] = i;
    for(int i = m - 1;i >= 0;i--) {
    	swap(E[EE[X[i]]], E[EE[Y[i]]]);
    	swap(EE[X[i]], EE[Y[i]]);
    }
    for(int i = 0;i < n;i++){
   		q.push(i);
    }
    for(int i = 0;i < m;i++){
    	swap(S[X[i]], S[Y[i]]);
       	swap(EE[X[i]], EE[Y[i]]);
    	swap(E[EE[X[i]]], E[EE[Y[i]]]);
    	if(X[i] != E[S[X[i]]]) q.push(X[i]);
    	if(Y[i] != E[S[Y[i]]]) q.push(Y[i]);
    	P[i] = 0, Q[i] = 0;
    	for(;!q.empty() && q.front() == E[S[q.front()]]; q.pop());
    	if(!q.empty()) P[i] = q.front(), Q[i] = E[S[q.front()]];
    	swap(S[P[i]], S[Q[i]]);
    }
    for(;!q.empty() && q.front() == E[S[q.front()]]; q.pop());
    return q.empty();
}

int findSwapPairs(int nn, int SS[], int M, int XX[], int YY[], int PP[], int QQ[]) {
	n = nn;
	for(int i = 0;i < M;i++) X[i] = XX[i], Y[i] = YY[i];
	for(int i = 0;i < n;i++) SSS[i] = SS[i];
	int ans = -1;
	for(int i = 20;i >= 0;i--){
		if(ans + (1 << i) <= M && !check(ans + (1 << i)))
			ans += (1 << i);
	}
	check(ans + 1);
	for(int i = 0;i <= ans;i++)  
		PP[i] = P[i], QQ[i] = Q[i];
	return ans + 1;
}



# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 7 ms 768 KB Output is correct
22 Correct 6 ms 768 KB Output is correct
23 Correct 6 ms 896 KB Output is correct
24 Correct 6 ms 768 KB Output is correct
25 Correct 6 ms 768 KB Output is correct
26 Correct 6 ms 768 KB Output is correct
27 Correct 6 ms 768 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 640 KB Output is correct
2 Correct 6 ms 768 KB Output is correct
3 Correct 6 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 6 ms 640 KB Output is correct
6 Correct 6 ms 640 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 6 ms 640 KB Output is correct
9 Correct 6 ms 896 KB Output is correct
10 Correct 6 ms 768 KB Output is correct
11 Correct 6 ms 640 KB Output is correct
12 Correct 7 ms 640 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 6 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 640 KB Output is correct
2 Correct 6 ms 768 KB Output is correct
3 Correct 6 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 6 ms 640 KB Output is correct
6 Correct 6 ms 640 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 6 ms 640 KB Output is correct
9 Correct 6 ms 896 KB Output is correct
10 Correct 6 ms 768 KB Output is correct
11 Correct 6 ms 640 KB Output is correct
12 Correct 7 ms 640 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 6 ms 640 KB Output is correct
15 Correct 309 ms 30728 KB Output is correct
16 Correct 374 ms 29080 KB Output is correct
17 Correct 459 ms 32412 KB Output is correct
18 Correct 147 ms 26360 KB Output is correct
19 Correct 311 ms 28916 KB Output is correct
20 Correct 322 ms 29476 KB Output is correct
21 Correct 326 ms 29708 KB Output is correct
22 Correct 298 ms 29972 KB Output is correct
23 Correct 324 ms 32416 KB Output is correct
24 Correct 464 ms 33912 KB Output is correct
25 Correct 457 ms 33524 KB Output is correct
26 Correct 298 ms 30632 KB Output is correct
27 Correct 267 ms 28836 KB Output is correct
28 Correct 468 ms 31880 KB Output is correct
29 Correct 440 ms 31452 KB Output is correct
30 Correct 212 ms 28272 KB Output is correct
31 Correct 436 ms 31672 KB Output is correct
32 Correct 335 ms 33308 KB Output is correct
33 Correct 494 ms 33956 KB Output is correct
34 Correct 390 ms 33692 KB Output is correct
35 Correct 319 ms 28808 KB Output is correct
36 Correct 103 ms 27768 KB Output is correct
37 Correct 476 ms 31708 KB Output is correct
38 Correct 449 ms 30784 KB Output is correct
39 Correct 481 ms 32920 KB Output is correct