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Submission #176037

# Submission time Handle Problem Language Result Execution time Memory
176037 2020-01-07T17:36:21 Z alexandra_udristoiu Unscrambling a Messy Bug (IOI16_messy) C++14
100 / 100
 5 ms 632 KB 
#include<iostream>
#include<vector>
#include<string>
#include "messy.h"
using namespace std;
static int n, v[130];
static vector<int> sol;
void calc(int st, int dr){
    if(st != dr){
        int mid = (st + dr) / 2, i;
        string s;
        for(i = 0; i < n; i++){
            if(i < st || i > dr){
                s += '1';
            }
            else{
                s += '0';
            }
        }
        for(i = st; i <= mid; i++){
            s[i] = '1';
            add_element(s);
            s[i] = '0';
        }
        calc(st, mid);
        calc(mid + 1, dr);
    }
}
void solve(int st, int dr, int v[]){
    if(st == dr){
        sol[ v[0] ] = st;
        return;
    }
    int i, mid = (st + dr) / 2, u;
    string s;
    int vst[130], vdr[130];
    for(i = 0; i < n; i++){
        if(i < st || i > dr){
            s += '1';
        }
        else{
            s += '0';
        }
    }
    for(i = 0; i < dr - st + 1; i++){
        s[ v[i] ] = '0';
    }
    u = 0;
    for(i = st; i <= dr; i++){
        while(u < dr - st + 1 && v[u] < i){
            u++;
        }
        if(v[u] != i){
            s[i] = '1';
        }
    }
    u = 0;
    for(i = 0; i < dr - st + 1; i++){
        s[ v[i] ] = '1';
        if( check_element(s) ){
            vst[u++] = v[i];
        }
        else{
            vdr[i - u] = v[i];
        }
        s[ v[i] ] = '0';
    }
    solve(st, mid, vst);
    solve(mid + 1, dr, vdr);
}
vector<int> restore_permutation(int N, int w, int r){
    n = N;
    calc(0, n - 1);
    compile_set();
    sol.resize(n);
    for(int i = 0; i < n; i++){
        v[i] = i;
    }
    solve(0, n - 1, v);
    return sol;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 8
2 Correct 2 ms 376 KB n = 8
3 Correct 2 ms 256 KB n = 8
4 Correct 2 ms 376 KB n = 8
5 Correct 2 ms 256 KB n = 8
6 Correct 2 ms 380 KB n = 8
7 Correct 2 ms 376 KB n = 8
8 Correct 2 ms 256 KB n = 8
9 Correct 2 ms 252 KB n = 8
10 Correct 2 ms 256 KB n = 8
11 Correct 2 ms 256 KB n = 8
12 Correct 2 ms 256 KB n = 8
13 Correct 2 ms 376 KB n = 8
14 Correct 2 ms 376 KB n = 8
15 Correct 2 ms 376 KB n = 8

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB n = 32
2 Correct 2 ms 376 KB n = 32
3 Correct 2 ms 376 KB n = 32
4 Correct 2 ms 376 KB n = 32
5 Correct 2 ms 376 KB n = 32
6 Correct 2 ms 376 KB n = 32
7 Correct 2 ms 376 KB n = 32
8 Correct 2 ms 376 KB n = 32
9 Correct 2 ms 376 KB n = 32
10 Correct 2 ms 356 KB n = 32
11 Correct 2 ms 376 KB n = 32
12 Correct 2 ms 376 KB n = 32
13 Correct 2 ms 376 KB n = 32
14 Correct 2 ms 376 KB n = 32
15 Correct 2 ms 376 KB n = 32

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB n = 32
2 Correct 2 ms 376 KB n = 32
3 Correct 2 ms 372 KB n = 32
4 Correct 2 ms 376 KB n = 32
5 Correct 5 ms 380 KB n = 32
6 Correct 2 ms 376 KB n = 32
7 Correct 2 ms 380 KB n = 32
8 Correct 2 ms 376 KB n = 32
9 Correct 2 ms 380 KB n = 32
10 Correct 2 ms 364 KB n = 32
11 Correct 2 ms 376 KB n = 32
12 Correct 2 ms 376 KB n = 32
13 Correct 2 ms 376 KB n = 32
14 Correct 2 ms 376 KB n = 32
15 Correct 1 ms 376 KB n = 32

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB n = 128
2 Correct 4 ms 504 KB n = 128
3 Correct 4 ms 504 KB n = 128
4 Correct 4 ms 504 KB n = 128
5 Correct 4 ms 504 KB n = 128
6 Correct 4 ms 504 KB n = 128
7 Correct 4 ms 508 KB n = 128
8 Correct 4 ms 508 KB n = 128
9 Correct 4 ms 508 KB n = 128
10 Correct 4 ms 508 KB n = 128
11 Correct 4 ms 504 KB n = 128
12 Correct 4 ms 504 KB n = 128
13 Correct 4 ms 504 KB n = 128
14 Correct 4 ms 504 KB n = 128
15 Correct 4 ms 504 KB n = 128

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB n = 128
2 Correct 4 ms 504 KB n = 128
3 Correct 4 ms 504 KB n = 128
4 Correct 4 ms 504 KB n = 128
5 Correct 4 ms 504 KB n = 128
6 Correct 4 ms 504 KB n = 128
7 Correct 4 ms 504 KB n = 128
8 Correct 4 ms 552 KB n = 128
9 Correct 4 ms 504 KB n = 128
10 Correct 4 ms 632 KB n = 128
11 Correct 4 ms 504 KB n = 128
12 Correct 4 ms 504 KB n = 128
13 Correct 4 ms 504 KB n = 128
14 Correct 4 ms 504 KB n = 128
15 Correct 4 ms 504 KB n = 128