Submission #439280

#	Time	Username	Problem	Language	Result	Execution time	Memory
439280		rainboy	Bit Shift Registers (IOI21_registers)	C++17	33 / 100	1 ms	332 KiB

registers

#include "registers.h"
#include <vector>

using namespace std;

typedef vector<bool> vb;

const int N = 128, L = 7, B = 2000;

void construct_instructions(int s, int n, int k, int q) {
	if (s == 0) {
		vb aa(B), bit(B);
		int h, i, l;

		for (i = n; i < N; i++)
			aa[i * k + k - 1] = 1;
		bit[k - 1] = 1;
		append_store(1, aa), append_store(99, bit);
		for (h = k - 1; h >= 0; h--) {
			append_or(2, 0, 1), append_right(3, 2, k);
			append_and(3, 3, 2);
			if (n > 2)
				for (l = 1; l < L; l++)
					append_right(4, 3, k << l), append_and(3, 3, 4);
			append_and(3, 3, 99);
			append_or(5, 5, 3);
			if (h > 0) {
				for (l = 0; l < L; l++)
					if (l == 0 || n > 2)
						append_left(4, 3, k << l), append_or(3, 3, 4);
				append_not(3, 3), append_and(2, 2, 3), append_or(1, 1, 2);
				append_right(1, 1, 1), append_right(99, 99, 1);
			}
		}
		append_move(0, 5);
	} else {
	}
}

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 0 / 25
• Subtask 5: 0 / 13
• Subtask 6: 0 / 29