oj.uz

Submission #568431

# Submission time Handle Problem Language Result Execution time Memory
568431 2022-05-25T11:57:54 Z Theo830 Unscrambling a Messy Bug (IOI16_messy) C++17
100 / 100
 2 ms 468 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ii,ll>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
#include "messy.h"
int N;
void build(int l,int r){
    if(l == r){
        return;
    }
    string x = "";
    int mid = (l+r)/2;
    f(i,0,N){
        if(i < l || i > r){
            x += "1";
        }
        else{
            x += "0";
        }
    }
    f(i,mid+1,r+1){
        x[i] = '1';
        add_element(x);
        x[i] = '0';
    }
    build(l,mid);
    build(mid+1,r);
}
vector<int>ans;
void solve(int l,int r,vector<int> arr){
    if(l == r){
        assert(arr.size() == 1);
        ans[arr[0]] = l;
        return;
    }
    int mid = (l+r)/2;
    vector<int>exo[2];
    string x = "";
    f(i,0,N){
        x += "1";
    }
    for(auto y:arr){
        x[y] = '0';
    }
    for(auto y:arr){
        x[y] = '1';
        exo[check_element(x)].pb(y);
        x[y] = '0';
    }
    solve(l,mid,exo[0]);
    solve(mid+1,r,exo[1]);
}
vector<int> restore_permutation(int n, int w, int r) {
    N = n;
    ans.assign(N,0);
    build(0,n-1);
    compile_set();
    vector<int>arr;
    f(i,0,n){
        arr.pb(i);
    }
    solve(0,n-1,arr);
    return ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB n = 8
2 Correct 1 ms 212 KB n = 8
3 Correct 1 ms 212 KB n = 8
4 Correct 0 ms 212 KB n = 8
5 Correct 0 ms 212 KB n = 8
6 Correct 1 ms 300 KB n = 8
7 Correct 1 ms 212 KB n = 8
8 Correct 1 ms 304 KB n = 8
9 Correct 1 ms 296 KB n = 8
10 Correct 1 ms 212 KB n = 8
11 Correct 1 ms 300 KB n = 8
12 Correct 1 ms 300 KB n = 8
13 Correct 1 ms 300 KB n = 8
14 Correct 1 ms 304 KB n = 8
15 Correct 1 ms 212 KB n = 8

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 32
2 Correct 1 ms 296 KB n = 32
3 Correct 1 ms 212 KB n = 32
4 Correct 1 ms 212 KB n = 32
5 Correct 1 ms 300 KB n = 32
6 Correct 1 ms 296 KB n = 32
7 Correct 1 ms 212 KB n = 32
8 Correct 1 ms 212 KB n = 32
9 Correct 1 ms 212 KB n = 32
10 Correct 1 ms 212 KB n = 32
11 Correct 1 ms 304 KB n = 32
12 Correct 1 ms 212 KB n = 32
13 Correct 1 ms 212 KB n = 32
14 Correct 1 ms 212 KB n = 32
15 Correct 1 ms 212 KB n = 32

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 32
2 Correct 1 ms 212 KB n = 32
3 Correct 1 ms 212 KB n = 32
4 Correct 1 ms 212 KB n = 32
5 Correct 1 ms 212 KB n = 32
6 Correct 1 ms 212 KB n = 32
7 Correct 1 ms 212 KB n = 32
8 Correct 1 ms 212 KB n = 32
9 Correct 1 ms 212 KB n = 32
10 Correct 1 ms 296 KB n = 32
11 Correct 1 ms 212 KB n = 32
12 Correct 1 ms 212 KB n = 32
13 Correct 1 ms 212 KB n = 32
14 Correct 1 ms 212 KB n = 32
15 Correct 1 ms 296 KB n = 32

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB n = 128
2 Correct 2 ms 468 KB n = 128
3 Correct 2 ms 432 KB n = 128
4 Correct 2 ms 468 KB n = 128
5 Correct 2 ms 468 KB n = 128
6 Correct 2 ms 424 KB n = 128
7 Correct 2 ms 468 KB n = 128
8 Correct 2 ms 468 KB n = 128
9 Correct 2 ms 468 KB n = 128
10 Correct 2 ms 424 KB n = 128
11 Correct 2 ms 468 KB n = 128
12 Correct 2 ms 468 KB n = 128
13 Correct 2 ms 468 KB n = 128
14 Correct 2 ms 468 KB n = 128
15 Correct 2 ms 468 KB n = 128

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB n = 128
2 Correct 2 ms 468 KB n = 128
3 Correct 2 ms 468 KB n = 128
4 Correct 2 ms 468 KB n = 128
5 Correct 2 ms 424 KB n = 128
6 Correct 2 ms 468 KB n = 128
7 Correct 2 ms 468 KB n = 128
8 Correct 2 ms 468 KB n = 128
9 Correct 2 ms 468 KB n = 128
10 Correct 2 ms 424 KB n = 128
11 Correct 2 ms 428 KB n = 128
12 Correct 2 ms 468 KB n = 128
13 Correct 2 ms 468 KB n = 128
14 Correct 2 ms 432 KB n = 128
15 Correct 2 ms 468 KB n = 128