Submission #453191

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
453191	2021-08-04 08:48:56	lukadupli	XORanges (eJOI19_xoranges)	C++14	100 / 100	679 ms	10724 KiB

xoranges

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#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
typedef pair <int, int> pii;
const int MAX = 1 << 18;
struct tournament
{
    pii nodes[2 * MAX];
    pii merge_nodes(pii l_node, int l_node_size, pii r_node, int r_node_size){
        pii res = {l_node.f, 0};
        if(l_node_size > 1) res.s = l_node.s;
        if((l_node_size) % 2){
            if(r_node_size > 1) res.f ^= r_node.s;
            res.s ^= r_node.f;
        }
        else{
            res.f ^= r_node.f;
            if(r_node_size) res.s ^= r_node.s;
        }
        return res;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25