Submission #882510

#	Time	Username	Problem	Language	Result	Execution time	Memory
882510		gustavo_d	cmp (balkan11_cmp)	C++17	91 / 100	8283 ms	107036 KiB

cmp

// https://oj.uz/problem/view/balkan11_cmp > p151
#include "cmp.h"
#include <bits/stdc++.h>
using namespace std;

void remember(int n) {
    int v[4];
  for (int i=0; i<4; i++) {
	 for (int t=7; t>=0; t--) {
		 if (n >= (int)pow(8, 3-i) * t) {
			 v[i] = t;
			 n -= v[i] * (int)pow(8, 3-i);
			 break;
		 }
	 }
  }
  int idx = 1;
  for (int i=0; i<4; i++) {
	  bit_set(v[i]+idx);
	  idx += 8;
  }
}

int compare(int b) {
  int v[4];
  for (int i=0; i<4; i++) {
	 for (int t=7; t>=0; t--) {
		 if (b >= (int)pow(8, 3-i) * t) {
			 v[i] = t;
			 b -= v[i] * (int)pow(8, 3-i);
			 break;
		 }
	 }
  }
  
	int idx = 1;
	for (int i=0; i<4; i++) {
		if (bit_get(v[i]+idx)) {
			// =
			idx += 8;
		} else {
			if (v[i] >= 4) {
				for (int test=v[i]+1; test <= 7; test++) {
					if (bit_get(test+idx)) return -1;
				}
				return 1;
			} else {
				for (int test=v[i]-1; test >= 0; test--) {
					if (bit_get(test+idx)) return 1;
				}
				return -1;
			}
		}
	}
	return 0;
}

• Subtask 1: 91 / 100