Submission #577180

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
577180	2022-06-14 08:34:17	berr	XORanges (eJOI19_xoranges)	C++17	100 / 100	137 ms	10012 KiB

xoranges

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#include <bits/stdc++.h>
using namespace std;
int st1[400005], st2[400005], t1[200005], t2[200005];
void build1(int l, int r, int v)
{
    if(l>r) return;
    else if(l==r) st1[v]=t1[l];
    else
    {
        int mid=(l+r)/2;
        build1(l, mid, v*2);
        build1(mid+1, r, v*2+1);
        st1[v]=(st1[v*2] xor st1[v*2+1]);
    }
}
void build2(int l, int r, int v)
{
    if(l>r) return;
    else if(l==r) st2[v]=t2[l];
    else
    {
        int mid=(l+r)/2;
        build2(l, mid, v*2);
        build2(mid+1, r, v*2+1);
        st2[v]=(st2[v*2] xor st2[v*2+1]);
    }
}
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25