Submission #488169

#	Time	Username	Problem	Language	Result	Execution time	Memory
488169		8e7	Bit Shift Registers (IOI21_registers)	C++17	0 / 100	1 ms	292 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;
int n, k;
vector<bool> kb(b, 0);
void clean(int id) {
	append_and(id, id, m - 2);
}
void push(int id) {
	for (int i = 2;i < k*2;i *= 2) {
		append_move(m - 1, id);
		append_right(m - 1, m - 1, i>>1); 
		append_or(id, id, m - 1);
	}
}
void chmin(int ind) {
	append_move(m - 3, 0);
	append_move(1, 0);
	append_right(1, 1, ind*k);
	append_xor(2, 0, 1);
	clean(2);	
	push(2);
	append_not(3, 2);
	append_and(m - 3, 3, m - 3);
	append_right(3, 3, 1);

	append_and(4, 0, 2); append_and(5, 1, 2); //d, e
	append_xor(4, 4, 2); append_xor(5, 5, 2);
	append_and(6, 4, 3), append_and(7, 5, 3);	
	push(6), push(7);
	append_and(6, 6, 0), append_and(7, 7, 0);	
	append_add(m - 3, 6, m - 3), append_add(0, m - 3, 7);
}
void construct_instructions(int s, int nn, int kk, int q) {
	n = nn, k = kk;	
	for (int i = 0;i < k;i++) kb[i] = 1;
	append_store(m - 2, kb);
	chmin(1);
}

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