oj.uz

Submission #591580

# Submission time Handle Problem Language Result Execution time Memory
591580 2022-07-07T15:54:20 Z kamelfanger83 Unscrambling a Messy Bug (IOI16_messy) C++14
38 / 100
 1 ms 340 KB 
#include <vector>
#include <string>
#include <numeric>
#include <random>
#include <algorithm>

#include "messy.h"

using namespace std;

vector<int> restore_permutation(int n, int w, int r) {
    string base; for(int ap = 0; ap < n; ap++) base += "0";
    random_device rd;
    vector<int> perm (n); iota(perm.begin(), perm.end(), 0); shuffle(perm.begin(), perm.end(), rd);
    for(int adder = 0; adder < n; adder++){
        base[perm[adder]] = '1';
        add_element(base);
    }
    compile_set();
    for(int z = 0; z < n; z++) base[z] = '0';
    vector<int> ret (n, -1);
    for(int permer = 0; permer < n; permer++){
        for(int c = 0; c < n; c++){
            if(base[c] == '0'){
                base[c] = '1';
                if(check_element(base)){
                    ret[c] = perm[permer];
                    break;
                }
                else base[c] = '0';
            }
        }
    }
    return ret;
}
/*
#include <vector>
#include <cstdio>
#include <string>
#include <set>
#include <cstdlib>
#include <iostream>
#include "messy.h"

using namespace std;

namespace helper {

    set<string> set_;
    bool compiled = false;
    int n;
    vector<int> p;
    int w;
    int r;

    int read_int() {
        int x;
        cin >> x;
        return x;
    }

}

using namespace helper;


// A convenience function.
int get_p(int i) {
    int ret = p[i];
    return ret;
}

int main() {
    n = read_int();
    w = read_int();
    r = read_int();
    p = vector<int>(n);
    for (int i = 0; i < n; i++) {
        p[i] = read_int();
    }
    vector<int> answer = restore_permutation(n, w, r);
    
    if (answer.size() != n) {
        printf("WA\n");
        return 0;
    }


    printf("%d", answer[0]);

    for (int i = 1; i < n; i++) {
        printf(" %d", answer[i]);
    }
    printf("\n");
    return 0;
}

void wa() {
    printf("WA\n");
    exit(0);
}

bool check(const string& x) {
    if ((int)x.length() != n) {
        return false;
    }
    for (int i = 0; i < n; i++) {
        if (x[i] != '0' && x[i] != '1') {
            return false;
        }
    }
    return true;
}

void add_element(string x) {
    if (--w < 0 || compiled || !check(x)) {
        wa();
    }
    set_.insert(x);
}

bool check_element(string x) {
    if (--r < 0 || !compiled || !check(x)) {
        wa();
    }
    return set_.count(x);
}

void compile_set() {
    if (compiled) {
        wa();
    }
    compiled = true;
    set<string> compiledSet;
    string compiledElement = string(n, ' ');
    for (set<string>::iterator it = set_.begin(); it != set_.end(); it++) {
        string s = *it;
        for (int i = 0; i < n; i++) {
            compiledElement[i] = s[get_p(i)];
        }
        compiledSet.insert(compiledElement);
    }
    set_ = compiledSet;
}
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 8
2 Correct 0 ms 300 KB n = 8
3 Correct 0 ms 300 KB n = 8
4 Correct 1 ms 212 KB n = 8
5 Correct 0 ms 212 KB n = 8
6 Correct 1 ms 212 KB n = 8
7 Correct 0 ms 220 KB n = 8
8 Correct 0 ms 212 KB n = 8
9 Correct 0 ms 300 KB n = 8
10 Correct 0 ms 212 KB n = 8
11 Correct 0 ms 212 KB n = 8
12 Correct 0 ms 212 KB n = 8
13 Correct 0 ms 212 KB n = 8
14 Correct 0 ms 212 KB n = 8
15 Correct 0 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 212 KB n = 32
3 Correct 1 ms 212 KB n = 32
4 Correct 0 ms 304 KB n = 32
5 Correct 0 ms 212 KB n = 32
6 Correct 1 ms 212 KB n = 32
7 Correct 0 ms 212 KB n = 32
8 Correct 1 ms 212 KB n = 32
9 Correct 1 ms 212 KB n = 32
10 Correct 0 ms 212 KB n = 32
11 Correct 1 ms 300 KB n = 32
12 Correct 0 ms 300 KB n = 32
13 Correct 1 ms 304 KB n = 32
14 Correct 1 ms 212 KB n = 32
15 Correct 1 ms 212 KB n = 32

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 32
2 Correct 0 ms 212 KB n = 32
3 Correct 0 ms 212 KB n = 32
4 Correct 0 ms 212 KB n = 32
5 Correct 0 ms 212 KB n = 32
6 Correct 1 ms 296 KB n = 32
7 Incorrect 1 ms 212 KB grader returned WA
8 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 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 340 KB grader returned WA
2 Halted 0 ms 0 KB -