Submission #566085

#	Time	Username	Problem	Language	Result	Execution time	Memory
566085		doowey	Bit Shift Registers (IOI21_registers)	C++17	100 / 100	1 ms	468 KiB

registers

#include "registers.h"
#include <bits/stdc++.h>

using namespace std;

int b = 2000;

void construct_instructions(int s, int n, int k, int q) {
    if(s == 0){
        vector<bool> d(b);
        vector<bool> qq(b);
        while(__builtin_popcount(n) > 1){
            for(int j = 0 ; j < k ; j ++ ){
                d[n * k + j] = 1;
            }
            n ++ ;
        }
        for(int i = 0 ; i < b; i ++ ){
            if((i / k) % 2 == 0){
                qq[i] = 1;
            }
            else{
                qq[i] = 0;
            }
        }
        vector<bool> zz(b);
        for(int i = 0 ; i < b; i ++ ){
            if(i > 0 && i % k == 0) zz[i] = 1;
        }
        append_store(8, zz);
        vector<bool> emp(b);
        append_store(1, d);
        append_store(4, qq);
        append_or(0, 0, 1);
        int b = 0;
        while((1 << b) < n) b ++ ;
        for(int j = 0 ; j < b; j ++ ){
            append_right(3, 0, (k << j));
            append_move(2, 0);
            append_not(3, 3);
            append_and(2, 2, 4);
            append_and(3, 3, 4);
            append_add(5, 2, 3);
            append_store(6, emp);
            append_and(5, 5, 8);
            append_right(5, 5, k);
            append_add(5, 5, 4);
            //append_print(5);
            append_not(3, 3);
            append_and(3, 3, 4);
            append_and(2, 2, 5);
            append_not(5, 5);
            append_and(3, 3, 5);
            append_or(0, 2, 3);
        }
    }
    else{
        vector<bool> Z(b);
        for(int i = 0 ; i < k ; i ++ ){
            Z[n * k + i] = 1;
            Z[(n + 1) * k + i] = 1;
        }
        vector<bool> iq(b);
        vector<bool> kk(b);
        for(int i = 0 ; i < b; i ++ ){
            if((i / k) % 2 == 0)
                iq[i] = 1;
            else
                iq[i] = 0;
            if((i % k == 0) && i > 0) kk[i] = 1;
        }
        vector<bool> ff(b);
        for(int i = 0 ; i < k ; i ++ )
            ff[i] = 1;
        append_store(97, Z);
        append_store(99, iq);
        append_store(98, kk);
        append_store(96, ff);
        for(int s = 0; s < n; s ++ ){
            if(s % 2 == 0){
                append_or(0, 0, 97);
                append_move(1, 0);
                append_right(2, 0, k);
                append_not(2, 2);
                append_and(1, 1, 99);
                append_and(2, 2, 99);
                append_add(3, 1, 2);
                append_not(2, 2);
                append_and(2, 2, 99);
                append_and(3, 3, 98);
                append_right(3, 3, k);
                append_add(3, 3, 99);
                append_xor(4, 1, 2);
                append_and(4, 3, 4);
                append_xor(1, 1, 4);
                append_xor(2, 2, 4);
                append_left(1, 1, k);
                append_or(0, 1, 2);
            }
            else{

                append_or(0, 0, 97);
                append_right(1, 0, k);
                append_right(2, 0, 2 * k);
                append_not(2, 2);
                append_and(1, 1, 99);
                append_and(2, 2, 99);
                append_add(3, 1, 2);
                append_not(2, 2);
                append_and(2, 2, 99);
                append_and(3, 3, 98);
                append_right(3, 3, k);
                append_add(3, 3, 99);
                append_xor(4, 1, 2);
                append_and(4, 3, 4);
                append_xor(1, 1, 4);
                append_xor(2, 2, 4);
                append_and(0, 0, 96);
                append_left(1, 1, 2 * k);
                append_left(2, 2, k);
                append_or(0, 0, 1);
                append_or(0, 0, 2);
            }
        }
    }
}

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