Submission #1095671

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095671		idiotcomputer	cmp (balkan11_cmp)	C++11	100 / 100	2100 ms	96176 KiB

cmp

#include "cmp.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(x) (int) (x).size()


int ch[6] = {1, 5, 22, 87, 344, 1369};
int pw[6] = {1,4,16,64,256,1024};

void remember(int value){
	int s = 0;
	for (int i = 5; i >= 0; i--){
		s += pw[5-i] * ((value/pw[i]) % 4);
		//cout << s << ',';
		bit_set(s+ch[5-i]);
		//cout << s+ch[5-i] << " ";
		value = value % pw[i];
	}
	//cout << '\n';
}

int compare(int value){
	vector<int> res(6);
	vector<int> cbit(6);
	int s = 0;
	int x;
	//cout << value << ": ";
	for (int i = 5; i >= 0; i--){
		s += pw[5-i] * ((value/pw[i])%4);
		res[5-i] = s;
		cbit[5-i] = (value/pw[i])%4;
		value = value % pw[i];
	}
	/*for (int c : res) cout << c << " ";
	cout << '\n';
	for (int c : cbit) cout <<c << " ";
	cout << '\n';*/

	int n = sz(res);
	int l = -1;
	int r = n;
	while (r-l>1){
		x = (l+r)/2;
		if (bit_get(res[x]+ch[x])) l = x;
		else r = x;
	}
	l++;
	if (l == n) return 0;
	if (cbit[l] == 0) return -1;
	if (cbit[l] == 3) return 1;
	if (cbit[l] == 1){
		x = 0;
		if (l > 0) x = res[l-1];
		if (bit_get(x+ch[l])) return 1;
		return -1;
	}
	x = 0;
	if (l > 0) x = res[l-1];
	x += pw[l]*3;
	if (bit_get(x+ch[l])) return -1;
	return 1;
}

• Subtask 1: 100 / 100