Submission #403388

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
403388	2021-05-13 06:32:42	Nordway	A Difficult(y) Choice (BOI21_books)	C++17	100 / 100	2 ms	448 KiB

books

1
2
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5
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7
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9
10
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15
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30
#include <bits/stdc++.h>
#include <books.h>
#define sz(v) (int)v.size()
#define pb push_back
using namespace std;
typedef long long ll;
const int N = 1e5 + 1;
bool asked[N];
ll x[N];
ll ask (int i) {
  if (!i) return 0ll;
  if (asked[i]) return x[i];
  asked[i] = true;
  x[i] = skim(i);
  return x[i];
}
void solve(int n,int k,ll A,int s){
  for (int i = 1; i <= n; i++) {
    asked[i] = false;
  }
  // 1...k (<=10)
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 15 / 15
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20