Submission #1224653

#	Time	Username	Problem	Language	Result	Execution time	Memory
1224653		LIA	Paint By Numbers (IOI16_paint)	C++17	0 / 100	0 ms	324 KiB

paint

#include "paint.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

string solve_puzzle(string s, vector<int> c) {
    int n = s.size(), k = c.size();
    vector<ll> vis(n, 0), l(k), r(k);
    ll sum = 0;
    for (int i = 0; i < k; ++i) {
        l[i] = sum;
        sum += c[i] + 1;
    }
    sum = n;
    for (int i = k - 1; i >= 0; --i) {
        r[i] = sum - c[i];
        sum -= c[i] + 1;
    }
    for (int i = 0; i < k; ++i) {
        for (int x = l[i]; x < l[i] + c[i]; ++x)
            vis[x]++;
        for (int x = r[i]; x < r[i] + c[i]; ++x)
            vis[x]++;
    }
    string ans(n, '?');
    for (int i = 0; i < n; ++i)
        if (s[i] == '_')
            ans[i] = '_';
    for (int i = 0; i < n; ++i) {
        if (vis[i] == 2)
            ans[i] = 'X';
        else if (vis[i] == 0)
            ans[i] = '_';
    }
    return ans;
}

Compilation message (stderr)

paint.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
paint_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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