Submission #1141241

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1141241	2025-01-28 12:26:06	altern23	Arranging Shoes (IOI19_shoes)	C++20	30 / 100	40 ms	13740 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
struct fenwick{
    ll n;
    vector<ll>bit;
    fenwick(ll _n = 0) : n(_n), bit(n + 5) {}
 
    void upd(ll idx, ll val){
    idx++;
        for(int i = idx; i <= n; i += i & -i) bit[i] += val;
    }
    
    ll get(ll idx){
    idx++;
        ll ans = 0;
        for(int i = idx; i >= 1; i -= i & -i) ans += bit[i];
        return ans;
    }
    
    ll query(ll l, ll r){
        if(l > r) return 0;
        return get(r) - get(l - 1);
    }
};
long long count_swaps(vector<int> s) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15