Submission #568884

#	Time	Username	Problem	Language	Result	Execution time	Memory
568884		Jomnoi	cmp (balkan11_cmp)	C++17	100 / 100	3359 ms	102200 KiB

cmp

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

void remember(int n) {
	vector <int> digits;
	while(n > 0) {
		digits.push_back(n % 4);
		n /= 4;
	}
	while(digits.size() < 6) {
		digits.push_back(0);
	}

	reverse(digits.begin(), digits.end());

	int base4 = 1;
	for(int i = 0; i < 6; i++) {
		base4 *= 4;
		base4 += digits[i];
		bit_set(base4);
	}
}

int compare(int b) {
	vector <int> digits;
	while(b > 0) {
		digits.push_back(b % 4);
		b /= 4;
	}
	while(digits.size() < 6) {
		digits.push_back(0);
	}

	reverse(digits.begin(), digits.end());

	int base4;
	int l = 0, r = 5, len = 0;
	while(l <= r) {
		int mid = (l + r) / 2;

		base4 = 1;
		for(int i = 0; i <= mid; i++) {
			base4 *= 4;
			base4 += digits[i];
		}

		if(bit_get(base4)) {
			l = mid + 1;
			len = mid + 1;
		}
		else {
			r = mid - 1;
		}
	}

	if(len == 6) {
		return 0;
	}

	base4 = 1;
	for(int i = 0; i < len; i++) {
		base4 *= 4;
		base4 += digits[i];
	}

	if(digits[len] >= 2) {
		base4 *= 4;
		base4 += 3;
		if(bit_get(base4)) {
			return -1;
		}
		return 1;
	}
	else {
		base4 *= 4;
		if(bit_get(base4)) {
			return 1;
		}
		return -1;
	}
}

• Subtask 1: 100 / 100