| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1319515 | khanhphucscratch | Unscrambling a Messy Bug (IOI16_messy) | C++20 | 2 ms | 568 KiB |
#include "messy.h"
#include<bits/stdc++.h>
using namespace std;
string cur;
void add(int l, int r)
{
if(l == r) return;
int mid = (l+r)/2;
for(int i = l; i <= mid; i++){
cur[i] = '1'; add_element(cur); cur[i] = '0';
}
for(int i = l; i <= mid; i++) cur[i] = '1';
add(mid+1, r);
for(int i = l; i <= r; i++) cur[i] ^= 1;
add(l, mid);
for(int i = l; i <= r; i++) cur[i] = '0';
}
int a[2005];
void solve(int l, int r, vector<int> places)
{
if(l == r){
a[l] = places[0]; return;
}
int mid = (l+r)/2;
vector<int> le, ri;
for(int i : places){
cur[i] = '1';
if(check_element(cur) == 1) le.push_back(i);
else ri.push_back(i);
cur[i] = '0';
}
for(int i : ri) cur[i] = '1';
solve(l, mid, le);
for(int i : places) cur[i] ^= 1;
solve(mid+1, r, ri);
for(int i : places) cur[i] = '0';
}
vector<int> restore_permutation(int n, int W, int R) {
for(int i = 0; i < n; i++) cur += "0";
add(0, n-1);
compile_set();
vector<int> places;
for(int i = 0; i < n; i++) places.push_back(i);
solve(0, n-1, places);
vector<int> ans(n);
for(int i = 0; i < n; i++) ans[a[i]] = i;
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
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