Submission #882288

#	Time	Username	Problem	Language	Result	Execution time	Memory
882288		gustavo_d	cmp (balkan11_cmp)	C++17	82 / 100	1244 ms	107024 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++) {
	  v[3-i] = n % 10;
	  n /= 10;
  }
  bit_set(v[0]+1); // 1-5 se for 0-4
  int idx = 6;
  for (int i=1; i<4; i++) {
	  bit_set(v[i]+idx);
	  idx += 10;
  }
}

int compare(int b) {
	int v[4];
	for (int i=0; i<4; i++) {
		v[3-i] = b % 10;
		b /= 10;
	}
	int idx = 1;
	for (int i=0; i<4; i++) {
		if (bit_get(v[i]+idx)) {
			// =
			if (i == 0) idx += 5;
			else idx += 10;
		} else {
			if (i == 0) {
				if (v[i] >= 2) {
					// testa 4 e 3; senão é menor
					for (int test=v[i]+1; test <= 4; 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;
				}
			} else {
				if (v[i] >= 5) {
					for (int test=v[i]+1; test <= 9; 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: 82 / 100