제출 #842114

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
842114		LucaLucaM	비교 (balkan11_cmp)	C++17	100 / 100	1065 ms	107132 KiB

cmp

#include <bits/stdc++.h>
#include "cmp.h"

using namespace std;

int precalc[] = {0 + 1, 4096 + 1, 4096 + 1024 + 1, 4096 + 1024 + 256 + 1, 4096 + 1024 + 256 + 64 + 1, 4096 + 1024 + 256 + 64 + 16 + 1, 4096 + 1024 + 256 + 64 + 16 + 4 + 1};

void remember (int a) {
    for (int bt = 0; bt < 6; bt++) {
        if (((a >> (bt * 2)) + precalc[bt]) < 1) {
//            cout << (a >> 0) << ' ' << precalc[bt] << '\n';
        }
        bit_set((a >> (bt * 2)) + precalc[bt]);
    }
}

int compare (int b) {
    int l = 0, r = 6;
    while (l < r) {
        int mid = (l + r) / 2;
        if (bit_get((b >> (mid * 2)) + precalc[mid])) {
            r = mid;
        } else {
            l = mid + 1;
        }
    }
    if (!r) {
        return 0;
    }
    r--;
    int d = ((b >> (2 * r)) & 3);
    if (d == 0) {
        return -1;
    } else if (d == 3) {
        return +1;
    } else if (d == 2) {
        int val = (b >> (2 * r));
        val -= val & 3;
        val += 3;
        if (bit_get( val + precalc[r])) {
            return -1;
        } else {
            return +1;
        }
    } else {
        int val = (b >> (2 * r));
        val -= val & 3;
        if (bit_get(val + precalc[r])) {
            return +1;
        } else {
            return -1;
        }
    }
    return 2;
}

• Subtask 1: 100 / 100