oj.uz

Submission #855601

# Submission time Handle Problem Language Result Execution time Memory
855601 2023-10-01T13:38:15 Z JooDdae Unscrambling a Messy Bug (IOI16_messy) C++17
20 / 100
 1 ms 604 KB 
#include "messy.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define mid ((l+r) >> 1)

void add(int l, int r, int n) {
	if(l == r) return;

	string s(n, '1');
	for(int i=l;i<=r;i++) s[i] = '0';
	for(int i=l;i<=mid;i++) {
		s[i] = '1';
		add_element(s);
		s[i] = '0';
	}

	add(l, mid, n);
	add(mid+1, r, n);
}

vector<int> ans;

void solve(int l, int r, int n, vector<int> v) {
	if(l == r) {
		ans.push_back(v[0]);
		return;
	}

	string s(n, '1');
	for(auto x : v) s[x] = '0';
	
	vector<int> v1, v2;
	for(int x : v) {
		s[x] = '1';
		if(check_element(s)) v1.push_back(x);
		else v2.push_back(x);
		s[x] = '0';
	}

	solve(l, mid, n, v1);
	solve(mid+1, r, n, v2);
}

vector<int> restore_permutation(int n, int w, int r) {
	add(0, n-1, n);

	compile_set();

	vector<int> v(n); iota(v.begin(), v.end(), 0);
	solve(0, n-1, n, v);

	return ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 8
2 Correct 0 ms 348 KB n = 8
3 Correct 0 ms 348 KB n = 8
4 Correct 0 ms 348 KB n = 8
5 Correct 1 ms 436 KB n = 8
6 Correct 0 ms 348 KB n = 8
7 Correct 0 ms 424 KB n = 8
8 Correct 0 ms 344 KB n = 8
9 Correct 0 ms 348 KB n = 8
10 Correct 0 ms 348 KB n = 8
11 Correct 0 ms 348 KB n = 8
12 Correct 0 ms 348 KB n = 8
13 Correct 0 ms 348 KB n = 8
14 Correct 0 ms 348 KB n = 8
15 Correct 0 ms 432 KB n = 8

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB grader returned WA
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 32
2 Correct 1 ms 344 KB n = 32
3 Correct 0 ms 348 KB n = 32
4 Incorrect 1 ms 344 KB grader returned WA
5 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 600 KB grader returned WA
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB grader returned WA
2 Halted 0 ms 0 KB -