Submission #41556

#	Time	Username	Problem	Language	Result	Execution time	Memory
41556		pica4500	cmp (balkan11_cmp)	C++98	82 / 100	1825 ms	83960 KiB

cmp

#include "cmp.h"

//82점 비벼욧---!!!
//2bit compression
int getIdx(int n, int kth) {
	kth *= 2; //2kth Idx
	n >>= (kth - 2);
	n %= 4;
	return (10000 + (kth * 2) - 3 + n);
}

void remember(int n) {
	for (int i = 6; i > 0; i--) bit_set(getIdx(n, i));
	int up = (n >> 6) + 1;
	bit_set(100 + up);
}

int compare(int b) {
	int up = (b >> 6) + 1;

	if (bit_get(100 + up)) {
		for (int i = 3; i > 0; i--) {
			int idx = getIdx(b, i);
			if (bit_get(idx)) continue;
			int c = (((idx - 10000) - 1) % 4) + 1;
			switch(c) {
				case 1:
					return -1;
				case 2:
					if (bit_get(idx - 1)) return 1;
					return -1;
				case 3:
					if (bit_get(idx + 1)) return -1;
					return 1;
				case 4:
					return 1;
			}
		}
		return 0;
	}
	else {
		for (int i = 6; i > 3; i--) {
			int idx = getIdx(b, i);
			if (bit_get(idx)) continue;
			int c = (((idx - 10000) - 1) % 4) + 1;
			switch (c) {
			case 1:
				return -1;
			case 2:
				if (bit_get(idx - 1)) return 1;
				return -1;
			case 3:
				if (bit_get(idx + 1)) return -1;
				return 1;
			case 4:
				return 1;
			}
		}
		return 0;
	}
	return 0;
}

• Subtask 1: 82 / 100