Submission #892062

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
892062	2023-12-24 18:12:27	iskhakkutbilim	Two Currencies (JOI23_currencies)	C++17	100 / 100	644 ms	66244 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int mod = 998244353;
const int N = 1e5;
struct Fenwick{
  int n;
  vector<int> fenw;
  Fenwick(int sz){
    n = sz;
    fenw.resize(n+1, 0);
  };
  
  void add(int i, int x){
    for(; i <= n; i+= i&-i){
      fenw[i]+= x;
    }
  }
  
  int pref(int i){
    int s = 0;
    for(; i > 0; i-= i & -i){
      s+= fenw[i];
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32