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Submission #429093

# Submission time Handle Problem Language Result Execution time Memory
429093 2021-06-15T17:22:16 Z keko37 The Collection Game (BOI21_swaps) C++14
100 / 100
 8 ms 540 KB 
#include<bits/stdc++.h>
#include "swaps.h"

using namespace std;

typedef pair <int, int> pi;

const int MAXN = 505;

int n, p[MAXN];
vector <pi> v;

void upd () {
	for (auto pp : v) schedule(p[pp.first], p[pp.second]);
	vector <int> ans = visit();
	for (int i = 0; i < ans.size(); i++) {
		if (ans[i] == 0) swap(p[v[i].first], p[v[i].second]);
	}
}

void solve (int N, int V) {
	n = N;
	for (int i = 0; i < n; i++) p[i] = i + 1;
	for (int i = 0; i < 9; i++) {
		v.clear();
		for (int pos = 0; pos < n; pos++) {
			int par = pos ^ ((1 << (i + 1)) - 1);
			if (par < pos) v.push_back({par, pos});
		}
		upd();
		for (int j = i - 1; j >= 0; j--) {
			v.clear();
			for (int pos = 0; pos < n; pos++) {
				int par = pos ^ (1 << j);
				if (par < pos) v.push_back({par, pos});
			}
			upd();
		}
	}
	vector <int> sol;
	for (int i = 0; i < n; i++) sol.push_back(p[i]);
	answer(sol);
}

Compilation message

swaps.cpp: In function 'void upd()':
swaps.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for (int i = 0; i < ans.size(); i++) {
      |                  ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 296 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 5 ms 308 KB Correct
5 Correct 6 ms 304 KB Correct
6 Correct 7 ms 296 KB Correct
7 Correct 6 ms 400 KB Correct
8 Correct 6 ms 300 KB Correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 200 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 6 ms 300 KB Correct
5 Correct 7 ms 300 KB Correct
6 Correct 6 ms 304 KB Correct
7 Correct 6 ms 304 KB Correct
8 Correct 6 ms 304 KB Correct
9 Correct 5 ms 300 KB Correct
10 Correct 5 ms 296 KB Correct
11 Correct 6 ms 304 KB Correct
12 Correct 7 ms 300 KB Correct
13 Correct 7 ms 304 KB Correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Correct
2 Correct 2 ms 292 KB Correct

Subtask #4
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Correct
2 Correct 2 ms 292 KB Correct
3 Correct 1 ms 200 KB Correct
4 Correct 2 ms 200 KB Correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 3 ms 200 KB Correct
3 Correct 4 ms 296 KB Correct
4 Correct 6 ms 304 KB Correct

Subtask #6
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 3 ms 200 KB Correct
3 Correct 4 ms 296 KB Correct
4 Correct 6 ms 304 KB Correct
5 Correct 1 ms 200 KB Correct
6 Correct 2 ms 332 KB Correct
7 Correct 3 ms 200 KB Correct
8 Correct 6 ms 304 KB Correct
9 Correct 7 ms 300 KB Correct
10 Correct 7 ms 300 KB Correct
11 Correct 6 ms 292 KB Correct
12 Correct 7 ms 300 KB Correct
13 Correct 1 ms 200 KB Correct
14 Correct 2 ms 200 KB Correct
15 Correct 4 ms 200 KB Correct
16 Correct 6 ms 300 KB Correct

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 200 KB Correct
3 Correct 4 ms 200 KB Correct
4 Correct 7 ms 308 KB Correct
5 Correct 8 ms 296 KB Correct

Subtask #8
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 200 KB Correct
3 Correct 4 ms 200 KB Correct
4 Correct 7 ms 308 KB Correct
5 Correct 8 ms 296 KB Correct
6 Correct 2 ms 200 KB Correct
7 Correct 3 ms 200 KB Correct
8 Correct 4 ms 200 KB Correct
9 Correct 6 ms 304 KB Correct
10 Correct 5 ms 296 KB Correct
11 Correct 6 ms 304 KB Correct
12 Correct 6 ms 304 KB Correct
13 Correct 6 ms 300 KB Correct
14 Correct 7 ms 308 KB Correct
15 Correct 5 ms 304 KB Correct
16 Correct 5 ms 308 KB Correct
17 Correct 7 ms 308 KB Correct
18 Correct 7 ms 304 KB Correct
19 Correct 2 ms 200 KB Correct
20 Correct 2 ms 292 KB Correct
21 Correct 3 ms 200 KB Correct
22 Correct 6 ms 300 KB Correct
23 Correct 6 ms 284 KB Correct

Subtask #9
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 200 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 7 ms 308 KB Correct
5 Correct 6 ms 288 KB Correct
6 Correct 6 ms 280 KB Correct

Subtask #10
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 200 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 7 ms 308 KB Correct
5 Correct 6 ms 288 KB Correct
6 Correct 6 ms 280 KB Correct
7 Correct 1 ms 200 KB Correct
8 Correct 2 ms 200 KB Correct
9 Correct 3 ms 288 KB Correct
10 Correct 6 ms 300 KB Correct
11 Correct 5 ms 308 KB Correct
12 Correct 7 ms 540 KB Correct
13 Correct 6 ms 308 KB Correct
14 Correct 6 ms 304 KB Correct
15 Correct 5 ms 296 KB Correct
16 Correct 6 ms 300 KB Correct
17 Correct 6 ms 300 KB Correct
18 Correct 6 ms 304 KB Correct
19 Correct 6 ms 304 KB Correct
20 Correct 1 ms 200 KB Correct
21 Correct 2 ms 296 KB Correct
22 Correct 4 ms 200 KB Correct
23 Correct 6 ms 308 KB Correct
24 Correct 8 ms 304 KB Correct
25 Correct 6 ms 284 KB Correct

Subtask #11
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 296 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 8 ms 304 KB Correct
5 Correct 6 ms 300 KB Correct
6 Correct 6 ms 284 KB Correct
7 Correct 7 ms 280 KB Correct

Subtask #12
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Correct
2 Correct 2 ms 296 KB Correct
3 Correct 3 ms 200 KB Correct
4 Correct 8 ms 304 KB Correct
5 Correct 6 ms 300 KB Correct
6 Correct 6 ms 284 KB Correct
7 Correct 7 ms 280 KB Correct
8 Correct 1 ms 200 KB Correct
9 Correct 1 ms 200 KB Correct
10 Correct 2 ms 200 KB Correct
11 Correct 3 ms 200 KB Correct
12 Correct 6 ms 304 KB Correct
13 Correct 5 ms 300 KB Correct
14 Correct 7 ms 300 KB Correct
15 Correct 6 ms 304 KB Correct
16 Correct 6 ms 304 KB Correct
17 Correct 6 ms 300 KB Correct
18 Correct 6 ms 300 KB Correct
19 Correct 6 ms 300 KB Correct
20 Correct 6 ms 304 KB Correct
21 Correct 5 ms 300 KB Correct
22 Correct 1 ms 200 KB Correct
23 Correct 3 ms 296 KB Correct
24 Correct 3 ms 200 KB Correct
25 Correct 6 ms 300 KB Correct
26 Correct 5 ms 396 KB Correct
27 Correct 7 ms 284 KB Correct
28 Correct 6 ms 280 KB Correct