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Submission #858109

# Submission time Handle Problem Language Result Execution time Memory
858109 2023-10-07T12:12:14 Z lovrot The Collection Game (BOI21_swaps) C++17
100 / 100
 4 ms 1688 KB 
#include "swaps.h"
#include <cstdio> 
#include <algorithm> 
#include <vector> 
#include <cassert>

#define EB emplace_back
#define X first
#define Y second
#define MP make_pair

using namespace std;

typedef pair<int, int> pii;

void solve(int n, int v) {
	int m = 1;
	vector<int> ANS;
	
	for(; m < n; m <<= 1) {}
	for(int i = 0; i < m; ++i) ANS.EB(i + 1);

	for(int i = 1 << 1; i <= m; i <<= 1) 
		for(int j = i >> 1; j; j >>= 1) {
			vector<pii> S;
			for(int k = 0; k < m; ++k) {	
				int _k = k, l = k ^ j;
				if(l > _k) {
					if(_k & i) swap(l, _k);
					S.EB(MP(_k, l));
//					printf("sche %d[%d] %d[%d]\n", ANS[_k], _k, ANS[l], l);
					if(ANS[_k] <= n && ANS[l] <= n) schedule(ANS[_k], ANS[l]);
				}
			}
			vector<int> RES = visit(); 
			for(int k = 0, cnt = 0; k < S.size(); ++k) {
				int a = S[k].X, b = S[k].Y;
				if(ANS[a] <= n && ANS[b] <= n) {
					assert(cnt < RES.size());
					if(!RES[cnt]) swap(ANS[a], ANS[b]);
					++cnt;
				} else if(ANS[a] > n && ANS[b] <= n) { swap(ANS[a], ANS[b]); }
			}
			S.clear();
		}
//	for(int i = 0; i < m; ++i) printf("%d%c", ANS[i], " \n"[i == m - 1]);
	for(int i = 0; i < m - n; ++i) ANS.pop_back();
	answer(ANS);
}

/*
for(int i = 0, j = 0; i < RES.size(); ++i) { 
	if(!RES[i])
		swap(ANS[S[i].X], ANS[S[i].Y]);
}
*/

Compilation message

swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:36:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |    for(int k = 0, cnt = 0; k < S.size(); ++k) {
      |                            ~~^~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from swaps.cpp:5:
swaps.cpp:39:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |      assert(cnt < RES.size());
      |             ~~~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 428 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 3 ms 436 KB Correct
5 Correct 3 ms 616 KB Correct
6 Correct 3 ms 432 KB Correct
7 Correct 3 ms 936 KB Correct
8 Correct 3 ms 428 KB Correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 428 KB Correct
3 Correct 2 ms 344 KB Correct
4 Correct 4 ms 680 KB Correct
5 Correct 3 ms 684 KB Correct
6 Correct 3 ms 684 KB Correct
7 Correct 3 ms 428 KB Correct
8 Correct 3 ms 684 KB Correct
9 Correct 3 ms 680 KB Correct
10 Correct 3 ms 848 KB Correct
11 Correct 4 ms 684 KB Correct
12 Correct 3 ms 684 KB Correct
13 Correct 4 ms 684 KB Correct

Subtask #3-1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Correct
2 Correct 1 ms 428 KB Correct

Subtask #3-2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Correct
2 Correct 1 ms 428 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 1 ms 608 KB Correct

Subtask #4-1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 608 KB Correct
3 Correct 2 ms 344 KB Correct
4 Correct 3 ms 684 KB Correct

Subtask #4-2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 608 KB Correct
3 Correct 2 ms 344 KB Correct
4 Correct 3 ms 684 KB Correct
5 Correct 0 ms 344 KB Correct
6 Correct 1 ms 424 KB Correct
7 Correct 2 ms 344 KB Correct
8 Correct 3 ms 680 KB Correct
9 Correct 3 ms 436 KB Correct
10 Correct 3 ms 928 KB Correct
11 Correct 3 ms 684 KB Correct
12 Correct 4 ms 680 KB Correct
13 Correct 0 ms 344 KB Correct
14 Correct 1 ms 424 KB Correct
15 Correct 2 ms 344 KB Correct
16 Correct 3 ms 1188 KB Correct

Subtask #5-1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 420 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 3 ms 432 KB Correct
5 Correct 3 ms 432 KB Correct

Subtask #5-2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 420 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 3 ms 432 KB Correct
5 Correct 3 ms 432 KB Correct
6 Correct 0 ms 344 KB Correct
7 Correct 1 ms 424 KB Correct
8 Correct 1 ms 344 KB Correct
9 Correct 3 ms 1184 KB Correct
10 Correct 4 ms 1184 KB Correct
11 Correct 4 ms 688 KB Correct
12 Correct 3 ms 436 KB Correct
13 Correct 3 ms 688 KB Correct
14 Correct 3 ms 680 KB Correct
15 Correct 3 ms 680 KB Correct
16 Correct 3 ms 680 KB Correct
17 Correct 4 ms 592 KB Correct
18 Correct 3 ms 688 KB Correct
19 Correct 0 ms 344 KB Correct
20 Correct 1 ms 600 KB Correct
21 Correct 1 ms 344 KB Correct
22 Correct 3 ms 428 KB Correct
23 Correct 3 ms 680 KB Correct

Subtask #6-1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 428 KB Correct
3 Correct 2 ms 344 KB Correct
4 Correct 3 ms 680 KB Correct
5 Correct 4 ms 1188 KB Correct
6 Correct 3 ms 624 KB Correct

Subtask #6-2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 428 KB Correct
3 Correct 2 ms 344 KB Correct
4 Correct 3 ms 680 KB Correct
5 Correct 4 ms 1188 KB Correct
6 Correct 3 ms 624 KB Correct
7 Correct 0 ms 344 KB Correct
8 Correct 1 ms 420 KB Correct
9 Correct 1 ms 344 KB Correct
10 Correct 3 ms 936 KB Correct
11 Correct 3 ms 680 KB Correct
12 Correct 3 ms 428 KB Correct
13 Correct 3 ms 432 KB Correct
14 Correct 3 ms 680 KB Correct
15 Correct 3 ms 1440 KB Correct
16 Correct 3 ms 680 KB Correct
17 Correct 3 ms 428 KB Correct
18 Correct 3 ms 436 KB Correct
19 Correct 3 ms 932 KB Correct
20 Correct 0 ms 344 KB Correct
21 Correct 1 ms 608 KB Correct
22 Correct 1 ms 344 KB Correct
23 Correct 3 ms 684 KB Correct
24 Correct 3 ms 684 KB Correct
25 Correct 4 ms 844 KB Correct

Subtask #7-1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 608 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 3 ms 688 KB Correct
5 Correct 3 ms 672 KB Correct
6 Correct 4 ms 660 KB Correct
7 Correct 3 ms 556 KB Correct

Subtask #7-2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 1 ms 608 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 3 ms 688 KB Correct
5 Correct 3 ms 672 KB Correct
6 Correct 4 ms 660 KB Correct
7 Correct 3 ms 556 KB Correct
8 Correct 0 ms 344 KB Correct
9 Correct 0 ms 344 KB Correct
10 Correct 1 ms 420 KB Correct
11 Correct 1 ms 344 KB Correct
12 Correct 3 ms 684 KB Correct
13 Correct 3 ms 436 KB Correct
14 Correct 3 ms 436 KB Correct
15 Correct 4 ms 936 KB Correct
16 Correct 4 ms 684 KB Correct
17 Correct 3 ms 932 KB Correct
18 Correct 4 ms 1192 KB Correct
19 Correct 4 ms 1688 KB Correct
20 Correct 3 ms 1188 KB Correct
21 Correct 3 ms 680 KB Correct
22 Correct 0 ms 596 KB Correct
23 Correct 1 ms 428 KB Correct
24 Correct 1 ms 344 KB Correct
25 Correct 3 ms 432 KB Correct
26 Correct 3 ms 680 KB Correct
27 Correct 3 ms 636 KB Correct
28 Correct 3 ms 1100 KB Correct