Submission #596824

#	Time	Username	Problem	Language	Result	Execution time	Memory
596824		8e7	Bit Shift Registers (IOI21_registers)	C++17	21 / 100	1 ms	212 KiB

registers

//Challenge: Accepted
#include "registers.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
using namespace std;
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#define ll long long
#define maxn 400005
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
const int M = 100;
const int B = 2000;

void construct_instructions(int tasktype, int N, int K, int q) {
	vector<bool> st(B, 0);
	for (int i = 0;i < K;i++) st[i] = 1;	
	append_store(99, st);
	if (tasktype == 0) {
		append_move(1, 0);
		append_right(1, 1, K);	
		append_and(0, 0, 99);
		append_xor(2, 0, 1);
		{
			int tmp = K - 1;
			int i = 0;
			while (tmp) {
				if (tmp <= (1<<i)) {
					append_move(3, 2);
					append_right(3, 3, tmp);
					append_or(2, 2, 3);
					tmp = 0;
				} else {
					append_move(3, 2);
					append_right(3, 3, (1<<i));	
					append_or(2, 2, 3);
					tmp -= 1<<i;
				}
				i++;
			}
		}
		append_right(4, 2, 1);
		append_xor(5, 2, 4); //5: 1 on the different bit
		append_and(6, 1, 5); //check if 6 is 0
		append_add(6, 6, 99);
		append_right(6, 6, K);
		{
			int tmp = K - 1;
			int i = 0;
			while (tmp) {
				if (tmp <= (1<<i)) {
					append_move(7, 6);
					append_left(7, 7, tmp);
					append_or(6, 6, 7);
					tmp = 0;
				} else {
					append_move(7, 6);
					append_left(7, 7, (1<<i));
					append_or(6, 6, 7);
					tmp -= 1<<i;
				}
				i++;
			}
		}
		append_not(7, 6);
		append_and(8, 1, 7); 
		append_and(9, 0, 6);
		append_add(0, 8, 9);
	}	
}
/*
0 2 2 1000
0 1
1 0
 
*/

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