Submission #999780

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
999780	2024-06-16 06:48:14	vjudge1	XORanges (eJOI19_xoranges)	C++17	100 / 100	95 ms	15188 KiB

xoranges

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/* :) */
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
#define pll pair<ll, ll>
const int sz = 2e5+5;
ll a[sz], b[sz], t[sz*4], t1[sz*4];
 
void build(ll v, ll l, ll r)
{
    if (l == r){
        t[v] = a[l];
        t1[v] = b[l];
        return;
    }
    ll m = (l + r)/2;
    build(v*2, l, m);
    build(v*2+1, m+1, r);
    t[v] = t[v*2] ^ t[v*2+1];
    t1[v] = t1[v*2] ^ t1[v*2+1];
}
 
void update(ll v, ll l, ll r, ll ind, ll val)
{
    if (l == r){
        t[v] = val;
        return;
    }
    ll m = (l + r)/2;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25