Submission #1192586

#	Time	Username	Problem	Language	Result	Execution time	Memory
1192586		Ak_16	Packing Biscuits (IOI20_biscuits)	C++20	0 / 100	1095 ms	320 KiB

biscuits

#include <iostream>
#include "biscuits.h"
#include <vector>
using namespace std;
#define int long long

int x,k;
int a[1000];
int po[61];
int con[1000];
int ps[1000];
int bef[1000];
int yh[1000];
int auk[1000];
int n1;

int fin(int z){
  if(z<0){return 0;}
  if(z==0){return 1;}
  
  int sp;
  for(int i=0; i<=60; i++){
    if(po[i]<=i){sp=i;}
  }
  
  return bef[sp] + fin( min(z - po[sp], auk[sp]) );
}


int count_tastiness(int xa, vector<int> ah){
  
  x = xa;
  k = ah.size();
  
  for(int i=0; i<=60; i++){a[i]=0; auk[i] = -1;}
  
  for(int i=0; i<k; i++){
    a[i] = ah[i];
  }
  
  po[0]=1;
  for(int i=1; i<=60; i++){
    po[i] = 2*po[i-1];
  }
  
  for(int i=0; i<60; i++){
    if(a[i]>=x){
      int xx = (a[i]-x)/2;
      a[i] -= 2*xx;
      a[i+1] += xx;
    }
  }
  
  ps[0] = a[0];
  for(int i=1; i<60; i++){
    ps[i] = ps[i-1] + po[i] * a[i];
  }
  
  bef[0]=1;
  
  
  for(int i=0; i<=59; i++){
    
    if(a[i]>=x){
      con[i] = bef[i];
    }
    
    else {
      n1 = ps[i] / x;
      if(n1 < po[i]){con[i]=0;}
      
      else {
        auk[i] = n1 - po[i];
        con[i] = fin(auk[i]);
      }
    }
    
    bef[i+1] = bef[i] + con[i];
    
  }
  
  return bef[60];
  
  
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23