Submission #568833

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
568833	2022-05-26T08:48:12 Z	Jomnoi	cmp (balkan11_cmp)	C++17	0 / 100	0 ms	208 KB

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 = 0;
	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 = 6;
	while(l < r) {
		int mid = (l + r) / 2;

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

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

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

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

	if(digits[l] >= 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

0.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	208 KB	ZERO POINTS: bit_set with addr out of range 0