Submission #437776

#	Time	Username	Problem	Language	Result	Execution time	Memory
437776		CodePlatina	Bit Shift Registers (IOI21_registers)	C++17	58 / 100	2 ms	204 KiB

registers

#include "registers.h"

#include <vector>
#include <algorithm>
#include <tuple>
#define pii pair<int, int>
#define piii pair<int, pii>
#define ff first
#define ss second
#define ee ss.ff
#define rr ss.ss

using namespace std;

int cnt = 2;

void construct_instructions(int s, int n, int k, int q)
{
    int arr = 0;
    int one = 1;
    append_store(one, vector<bool>(2000, true));
    for(int i = k - 1; i >= 1; --i)
    {
        vector<bool> tmp(2000, false);
        for(int j = 0; j < n; ++j) tmp[j * k + i] = true;
        int msk = cnt++;
        int msk2 = cnt++;
        append_store(msk2, tmp);
        append_and(msk, msk2, arr);
        append_xor(msk2, msk, msk2);
        append_add(msk2, msk2, one);
        append_right(msk2, msk2, 1999);
        append_add(msk2, one, msk2);
        append_and(msk, msk, msk2);
        append_and(msk, arr, msk);
        int pt = 1;
        while(i + 1 >= pt * 2)
        {
            append_right(msk2, msk, pt);
            append_or(msk, msk2, msk);
            pt *= 2;
        }
        if(i + 1 - pt)
        {
            append_right(msk2, msk, i + 1 - pt);
            append_or(msk, msk2, msk);
        }
        append_or(arr, arr, msk);
        cnt = 2;
    }
    
    while(n > 1)
    {
        append_right(1, 0, (n / 2) * k);
        append_and(0, 0, 1);
        n = (n + 1) / 2;
    }
}

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