제출 #435804

#제출 시각아이디문제언어결과실행 시간메모리
435804zxcvbnmPaint By Numbers (IOI16_paint)C++14
7 / 100
2081 ms332 KiB
#include "paint.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int n;
set<string> s;
vector<int> k;
void go(string str, int idx) {
    if (idx == (int) k.size()) {
        string add;
        for(int i = 0; i < n; i++) {
            if ((int) str.length() + (int) add.length() == n) {
                s.insert(str+add);
                return;
            }
            add += '_';
        }
        return;
    }
    string add;
    if (idx != 0) {
        add += '_';
    }
    for(int i = 0; i < n; i++) {
        go(str+add+string(k[idx], 'X'), idx+1);
        add += '_';
    }
}

std::string solve_puzzle(std::string st, std::vector<int> c) {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    n = st.length();
    k = c;
    go("", 0);
    set<char> poss[n];
    for(auto i : s) {
        for(int j = 0; j < n; j++) {
            poss[j].insert(i[j]);
        }
    }

    string ans;
    for(auto i : poss) {
        if ((int) i.size() > 1) {
            ans += "?";
        } else {
            for(auto j : i) {
                ans += j;
            }
        }
    }
    return ans;
}
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