Submission #1141720

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141720		SulA	cmp (balkan11_cmp)	C++20	37 / 100	1457 ms	105064 KiB

cmp

#include "cmp.h"
#include <iostream>
#include <string>
using namespace std;

int cum[13];

void remember(int a) {
    for (int i = 1; i < 13; i++) {
        cum[i] = cum[i-1] + (1 << 13-i);
    }
    for (int i = 0; i < 12; i++) {
        bit_set(cum[i] + (a >> i) + 1);
    }
}

int compare(int b) {
    if (bit_get(b+1)) return 0;
    short l = 0, r = 12;
    while (l+1 < r) {
        short mid = l + (r-l)/2;
        if (bit_get(cum[mid] + (b >> mid) + 1)) {
            r = mid;
//            cout<<"IF WE SHIFT BY " << mid<< " A = B\n";
        } else {
            l = mid;
//            cout<<"IF WE SHIFT BY " << mid<< " A ≠ B\n";
        }
    }
//    cout<<l<<' '<<r<<'\n';
    b >>= l;
    return b & 1 ? 1 : -1;
}

• Subtask 1: 37 / 100