Submission #1368852

#	Time	Username	Problem	Language	Result	Execution time	Memory
1368852		mariza	Paint By Numbers (IOI16_paint)	C++20	32 / 100	1 ms	344 KiB

paint

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

typedef long long ll;

string solve_puzzle(string s, vector<int> c){
    ll n=s.size(), k=c.size();

    ll x=k-1;
    for(ll i=0; i<k; i++){
        x+=c[i];
    }

    if(x==n){
        string ans;
        for(ll i=0; i<k; i++){
            for(ll j=0; j<c[i]; j++){
                ans+='X';
            }
            if(i<k-1) ans+='_';
        }
        return ans;
    }
    
    string ans;
    for(ll i=0; i<n; i++){
        ll l=0, j=0;
        while(j<k && l+c[j]<=i){
            l+=c[j]+1;
            j++;
        }

        ll y=k-j-1;
        while(j<k){
            y+=c[j];
            j++;
        }

        if(y<=n-1-i) ans+='?';
        else ans+='X';
    }
    return ans;
}

• 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