Submission #443060

#TimeUsernameProblemLanguageResultExecution timeMemory
443060ltf0501Bit Shift Registers (IOI21_registers)C++17
33 / 100
1 ms332 KiB
#include "registers.h"
#include <bits/stdc++.h>
using namespace std;

void construct_instructions(int s, int n, int k, int q) {
  vector<bool> v(2000);
  const int min_index = 99, and_index = 98, one_index = 97;
  v[0] = 1;
  append_store(one_index, v);
  for(int i = 0; i < k; i++) v[i] = 1;
  append_store(and_index, v);

  append_right(min_index, 0, 0);
  append_and(min_index, and_index, min_index); // a[0] at r[min_index]
 
  for(int i = 1; i < n; i++) { // compare a[i] and r[min_index]
    append_right(1, 0, i * k); // a[i] at r[1]
    append_and(1, 1, and_index);
    
    append_xor(2, 1, min_index);
    append_not(96, min_index);
    append_add(96, 96, 97);
    append_add(96, 96, 1); // y - x at r[96]
    append_right(96, 96, 1000); // y >= x: all 0, y < x: all 1
 
    append_and(2, 2, 96);
    append_xor(min_index, 2, min_index);
  }
  append_right(0, min_index, 0);
}
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