Submission #143278

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
143278	2019-08-13 13:51:32	Bench0310	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	452 ms	142456 KiB

shoes

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#include <bits/stdc++.h>
using namespace std;
const int N=200005;
int tree[4*N];
int lazy[4*N];
void push(int idx)
{
    tree[2*idx]+=lazy[idx];
    lazy[2*idx]+=lazy[idx];
    tree[2*idx+1]+=lazy[idx];
    lazy[2*idx+1]+=lazy[idx];
    lazy[idx]=0;
}
void update(int idx,int l,int r,int ql,int qr,int val)
{
    if(ql>qr) return;
    if(l==ql&&r==qr)
    {
        tree[idx]+=val;
        lazy[idx]+=val;
    }
    else
    {
        push(idx);
        int m=(l+r)/2;
        update(2*idx,l,m,ql,min(qr,m),val);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 15 / 15