제출 #1044470

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1044470		fv3	Paint By Numbers (IOI16_paint)	C++14	32 / 100	1 ms	348 KiB

paint

#include "paint.h"

#include <bits/stdc++.h>
using namespace std;

int N, M;

string solve_puzzle(string s, vector<int> c)
{
    N = s.size();
    M = c.size();

    vector<int> preSum(M + 1);
    vector<int> sufSum(M + 1, N);

    for (int i = 0; i < M; i++)
        preSum[i+1] = preSum[i] + c[i] + 1;

    for (int i = M - 1; i >= 0; i--)
        sufSum[i] -= (N - sufSum[i+1]) + c[i] + (int)(i != M - 1);

    string res(N, '?');
    for (int i = 0; i < M; i++)
    {
        for (int j = sufSum[i]; j < preSum[i] + c[i]; j++)
            res[j] = 'X';
    }

    int cnt = 0;
    for (auto c : res)
        c=='?'&&cnt++;

    if (cnt == M - 1)
    {
        for (auto&c : res)
        {
            if (c == '?')
                c = '_';
        }
    }

    return res;
}

• Subtask 1: 7 / 7
• Subtask 2: 3 / 3
• Subtask 3: 22 / 22
• Subtask 4: 0 / 27
• Subtask 5: 0 / 21
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10