답안 #316127

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
316127	2020-10-25T10:54:22 Z	nikatamliani	정렬하기 (IOI15_sorting)	C++14	100 / 100	340 ms	20088 KB

sorting

#include <bits/stdc++.h>
#include "sorting.h"
using namespace std;
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    vector < int > _Q(N), _P(N), _S(N), id(N);
    int l = 0, r = M - 1, ans = -1;
    while(r >= l) {
        auto SWAP = [&](int i, int j) {
            swap(id[_S[i]], id[_S[j]]);
            swap(_S[i], _S[j]);
        };
        for(int i = 0; i < N; ++i) _S[i] = S[i];
        int m = l + r >> 1;
        int swaps = -1;
        for(int i = 0; i < m; ++i) {
            swap(_S[X[i]], _S[Y[i]]);
        }
        for(int i = 0; i < N; ++i) {
            id[_S[i]] = i; 
        }
        for(int i = 0; i < N; ++i) {
            if(id[i] == i) continue; 
            _P[++swaps] = i;
            _Q[swaps] = _S[i];
            SWAP(id[i], i);
        }
        if(swaps + 1 <= m) {
            for(int i = 0; i < N; ++i) _S[i] = S[i];
            for(int i = 0; i < N; ++i) id[_S[i]] = i; 
            for(int i = 0; i < m; ++i) {
                SWAP(X[i], Y[i]);
                if(i <= swaps) {
                    P[i] = id[_P[i]];
                    Q[i] = id[_Q[i]];
                    SWAP(id[_P[i]], id[_Q[i]]);
                } else {
                    P[i] = Q[i] = 0;
                }
            }
            r = m - 1;
            ans = m;
        } else {
            l = m + 1;
        }
    }
    return ans;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:13:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |         int m = l + r >> 1;
      |                 ~~^~~

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	356 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	356 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	356 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	0 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	640 KB	Output is correct
23	Correct	2 ms	640 KB	Output is correct
24	Correct	2 ms	640 KB	Output is correct
25	Correct	1 ms	640 KB	Output is correct
26	Correct	2 ms	640 KB	Output is correct
27	Correct	2 ms	640 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	512 KB	Output is correct
2	Correct	2 ms	544 KB	Output is correct
3	Correct	3 ms	512 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	2 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	2 ms	512 KB	Output is correct
10	Correct	2 ms	512 KB	Output is correct
11	Correct	2 ms	512 KB	Output is correct
12	Correct	2 ms	512 KB	Output is correct
13	Correct	2 ms	512 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct

Subtask #6
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	512 KB	Output is correct
2	Correct	2 ms	544 KB	Output is correct
3	Correct	3 ms	512 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	2 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	2 ms	512 KB	Output is correct
10	Correct	2 ms	512 KB	Output is correct
11	Correct	2 ms	512 KB	Output is correct
12	Correct	2 ms	512 KB	Output is correct
13	Correct	2 ms	512 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct
15	Correct	239 ms	17656 KB	Output is correct
16	Correct	292 ms	18040 KB	Output is correct
17	Correct	296 ms	19064 KB	Output is correct
18	Correct	117 ms	18424 KB	Output is correct
19	Correct	194 ms	19576 KB	Output is correct
20	Correct	225 ms	20088 KB	Output is correct
21	Correct	208 ms	20088 KB	Output is correct
22	Correct	233 ms	14328 KB	Output is correct
23	Correct	292 ms	19832 KB	Output is correct
24	Correct	338 ms	19448 KB	Output is correct
25	Correct	340 ms	19192 KB	Output is correct
26	Correct	202 ms	20088 KB	Output is correct
27	Correct	192 ms	19704 KB	Output is correct
28	Correct	272 ms	19576 KB	Output is correct
29	Correct	280 ms	19320 KB	Output is correct
30	Correct	157 ms	19832 KB	Output is correct
31	Correct	307 ms	19832 KB	Output is correct
32	Correct	286 ms	19064 KB	Output is correct
33	Correct	322 ms	19576 KB	Output is correct
34	Correct	279 ms	19452 KB	Output is correct
35	Correct	207 ms	19192 KB	Output is correct
36	Correct	85 ms	19832 KB	Output is correct
37	Correct	305 ms	20088 KB	Output is correct
38	Correct	282 ms	19320 KB	Output is correct
39	Correct	307 ms	19448 KB	Output is correct

답안 #316127

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