Submission #793387

#TimeUsernameProblemLanguageResultExecution timeMemory
793387SlavicGPainting Squares (IOI20_squares)C++17
0 / 100
2513 ms748 KiB
#include "squares.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
 
vector<int> generate(int n) {
	set<int> nums;
	vector<int> v(n);
	nums.insert((1 << 10) - 1);
	vector<int> a(1000, 0);
	for(int i = 0; i < 10; ++i) a[i] = 1;
	for(int i = 1; i + 10 - 1 < 1000; ++i) {
		int number = 0;
		for(int j = 0; j < 10; ++j) {
			if(a[i + j]) number += (1 << j);
		}
		if(nums.count(number)) {
			a[i + 10 - 1] = 1;
		}
		number = 0;
		for(int j = 0; j < 10; ++j) {
			if(a[i + j]) number += (1 << j);
		}
		assert(!nums.count(number));
		nums.insert(number);
	}
	for(int i = 0; i < n; ++i) v[i] = a[i];
	return v;
}
std::vector<int> paint(int n) {
	vector<int> labels = generate(n);
	labels.push_back(10);
	return labels;
}
 
int find_location(int n, std::vector<int> c) {
	vector<int> paiu = generate(n);
	int number = 0;
	for(int i = 0; i < (int)c.size(); ++i) {
		if(c[i] == -1) {
			return n - i;
		}
		if(c[i] == 1) number += (1 << i);
	}
	for(int i = 0; i + 10 - 1 < n; ++i) {
		int number2 = 0;
		for(int j = 0; j < 10; ++j) {
			if(paiu[i + j]) number2 += (1 << j);
		}
		if(number == number2) return i;
	}
	assert(false);
	return -1;
}
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