Submission #1207921

#TimeUsernameProblemLanguageResultExecution timeMemory
1207921simona1230Bit Shift Registers (IOI21_registers)C++20
33 / 100
1 ms748 KiB
#include "registers.h"
#include <bits/stdc++.h>
using namespace std;

int nn,kk;
void compare(int f,int s,int mn,int mx)
{
    append_print(f);
    append_print(s);
    append_xor(2,f,s);
    append_and(3,f,2);
    append_not(4,2);

    for(int j=0; j<kk; j++)
    {
        if(j)append_left(5,5,1);
        append_and(5,5,4);
        append_or(5,5,3);
    }

    append_and(5,5,50);
    append_right(5,5,kk-1);
    append_add(5,5,51);
    append_print(5);

    append_not(6,5);
    append_and(7,5,f);
    append_and(8,6,s);
    append_or(mn,7,8);

    if(mx!=-1)
    {
        append_and(7,5,s);
        append_and(8,6,f);
        append_or(mx,7,8);
    }
}
void construct_instructions(int s, int n, int k, int q)
{
    vector<bool> v(2000);
    v[k-1]=1;
    append_store(50,v);
    for(int i=0; i<k; i++)
        v[i]=1;
    append_store(51,v);

    nn=n;
    kk=k;
    if(s==0)
    {
        int c=0;
        for(int i=1; i<n; i++)
        {
            append_right(1,0,i*k);
            int h=9;
            if(c==9)h=10;
            if(i==n-1)h=0;
            compare(c,1,h,-1);
            c=h;
        }
    }
}
// 0 2 2 1000
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