Submission #425163

#	Time	Username	Problem	Language	Result	Execution time	Memory
425163		vanic	Paint By Numbers (IOI16_paint)	C++14	10 / 100	2086 ms	300 KiB

paint

#include "paint.h"
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

const int maxn=21;

bool boja[maxn];
int n, k;
vector < int > v;
bool bijela[maxn];
bool crna[maxn];

void probaj(){
	int br=0, pos=0;
	for(int i=0; i<n; i++){
		if(boja[i]){
			br++;
		}
		else{
			if(br){
				if(pos<k && v[pos]==br){
					pos++;
				}
				else{
					return;
				}
				br=0;
			}
		}
	}
	if(br){
		if(pos<k && v[pos]==br){
			pos++;
		}
		else{
			return;
		}
	}
	if(pos!=k){
		return;
	}
	for(int i=0; i<n; i++){
//		cout << boja[i];
		if(boja[i]){
			crna[i]=1;
		}
		else{
			bijela[i]=1;
		}
	}
//	cout << endl;
}

void rek(int x){
	if(x==n){
		probaj();
		return;
	}
	boja[x]=1;
	rek(x+1);
	boja[x]=0;
	rek(x+1);
}

string solve_puzzle(string s, vector < int > c){
	n=s.size();
	k=c.size();
	v=c;
	rek(0);
	string sol;
	for(int i=0; i<n; i++){
		if(bijela[i] && crna[i]){
			sol.push_back('?');
		}
		else if(bijela[i]){
			sol.push_back('_');
		}
		else{
			sol.push_back('X');
		}
	}
	return sol;
}

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