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Submission #346788

# Submission time Handle Problem Language Result Execution time Memory
346788 2021-01-11T03:56:04 Z wwdd Unscrambling a Messy Bug (IOI16_messy) C++14
100 / 100
 3 ms 640 KB 
#include <vector>


#include "messy.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
void det(int l, int r, int n, vi& pa, vi& res) {
	if(l == r) {
		res[pa[0]] = l;return;
	}
	string ref(n,'1');
	for(int i=0;i<pa.size();i++) {
		ref[pa[i]] = '0';
	}
	vi ls,rs;
	for(int i=0;i<pa.size();i++) {
		string qu = ref;
		qu[pa[i]] = '1';
		if(check_element(qu)) {
			ls.push_back(pa[i]);
		} else {
			rs.push_back(pa[i]);
		}
	}
	int m = (l+r)/2;
	det(l,m,n,ls,res);
	det(m+1,r,n,rs,res);
}

std::vector<int> restore_permutation(int n, int w, int r) {
	int nb = 0;
	while((1<<nb) < n) {
		nb++;
	}
	for(int b=1;b<=nb;b++) {
		int sz = (1<<b);
		for(int i=0;i<n;i+=sz) {
			for(int j=0;j<sz/2;j++) {
				string ad;
				ad.assign(n,'1');
				for(int k=0;k<sz;k++) {
					ad[i+k] = '0';
				}
				ad[i+j] = '1';
				add_element(ad);
			}
		}
	}
    compile_set();
	vi res(n,0);
	vi par;
	for(int i=0;i<n;i++) {
		par.push_back(i);
	}
	det(0,n-1,n,par,res);
	return res;
}

Compilation message

messy.cpp: In function 'void det(int, int, int, vi&, vi&)':
messy.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i=0;i<pa.size();i++) {
      |              ~^~~~~~~~~~
messy.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i=0;i<pa.size();i++) {
      |              ~^~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB n = 8
2 Correct 1 ms 364 KB n = 8
3 Correct 1 ms 364 KB n = 8
4 Correct 1 ms 364 KB n = 8
5 Correct 1 ms 492 KB n = 8
6 Correct 1 ms 364 KB n = 8
7 Correct 1 ms 364 KB n = 8
8 Correct 1 ms 364 KB n = 8
9 Correct 1 ms 364 KB n = 8
10 Correct 1 ms 364 KB n = 8
11 Correct 1 ms 376 KB n = 8
12 Correct 1 ms 364 KB n = 8
13 Correct 1 ms 364 KB n = 8
14 Correct 1 ms 364 KB n = 8
15 Correct 1 ms 364 KB n = 8

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB n = 32
2 Correct 1 ms 364 KB n = 32
3 Correct 1 ms 364 KB n = 32
4 Correct 1 ms 364 KB n = 32
5 Correct 1 ms 364 KB n = 32
6 Correct 1 ms 364 KB n = 32
7 Correct 1 ms 364 KB n = 32
8 Correct 1 ms 364 KB n = 32
9 Correct 1 ms 364 KB n = 32
10 Correct 1 ms 364 KB n = 32
11 Correct 1 ms 364 KB n = 32
12 Correct 1 ms 364 KB n = 32
13 Correct 1 ms 364 KB n = 32
14 Correct 1 ms 364 KB n = 32
15 Correct 1 ms 364 KB n = 32

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB n = 32
2 Correct 1 ms 364 KB n = 32
3 Correct 1 ms 364 KB n = 32
4 Correct 1 ms 364 KB n = 32
5 Correct 1 ms 364 KB n = 32
6 Correct 1 ms 364 KB n = 32
7 Correct 1 ms 364 KB n = 32
8 Correct 1 ms 384 KB n = 32
9 Correct 1 ms 364 KB n = 32
10 Correct 1 ms 364 KB n = 32
11 Correct 1 ms 364 KB n = 32
12 Correct 1 ms 364 KB n = 32
13 Correct 1 ms 364 KB n = 32
14 Correct 1 ms 364 KB n = 32
15 Correct 1 ms 364 KB n = 32

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB n = 128
2 Correct 2 ms 492 KB n = 128
3 Correct 2 ms 492 KB n = 128
4 Correct 2 ms 492 KB n = 128
5 Correct 3 ms 620 KB n = 128
6 Correct 2 ms 640 KB n = 128
7 Correct 2 ms 492 KB n = 128
8 Correct 3 ms 492 KB n = 128
9 Correct 2 ms 492 KB n = 128
10 Correct 2 ms 512 KB n = 128
11 Correct 2 ms 492 KB n = 128
12 Correct 2 ms 492 KB n = 128
13 Correct 2 ms 492 KB n = 128
14 Correct 2 ms 492 KB n = 128
15 Correct 2 ms 492 KB n = 128

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB n = 128
2 Correct 2 ms 492 KB n = 128
3 Correct 2 ms 492 KB n = 128
4 Correct 2 ms 640 KB n = 128
5 Correct 2 ms 512 KB n = 128
6 Correct 2 ms 492 KB n = 128
7 Correct 2 ms 492 KB n = 128
8 Correct 2 ms 492 KB n = 128
9 Correct 2 ms 492 KB n = 128
10 Correct 2 ms 492 KB n = 128
11 Correct 2 ms 492 KB n = 128
12 Correct 2 ms 492 KB n = 128
13 Correct 2 ms 492 KB n = 128
14 Correct 2 ms 492 KB n = 128
15 Correct 2 ms 492 KB n = 128