Submission #1244989

#	Time	Username	Problem	Language	Result	Execution time	Memory
1244989		chinesegenius69420	Paint By Numbers (IOI16_paint)	C++20	32 / 100	0 ms	328 KiB

paint

#include <bits/stdc++.h>
#include "paint.h"

#define dbg(x) cerr << #x << ": " << x << '\n';

using namespace std;

string solve_puzzle(string s, vector<int> c) {
    int n = s.size();
    int csi = c.size();
    vector<int> arr(n, 0), pref(csi + 1, 0);
    string ans;
    ans.resize(n, '?');
    for(int i = 0; i < csi; i++){
        pref[i + 1] = pref[i] + c[i];
    }
    for(int z = 0; z < (int)c.size(); z++){
        int a = n - (pref[csi] - pref[z + 1] + csi - z - 1);
        for(int i = pref[z] + z; i <= a - c[z]; i++){
            for(int j = 0; j < c[z]; j++){
                arr[i + j]++;
            }
        }
        int nose = a - c[z] - pref[z] - z + 1;
        for(int i = pref[z] + z; i <= n; i++){
            if(arr[i] == nose){ 
                ans[i] = 'X';
            }
        }
        if(z != c.size() - 1 and s.size() == pref[csi] + csi - 1){
            ans[pref[z + 1] + z] = '_';
        }
        arr.resize(n, 0);
    }
    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: 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