제출 #557221

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
557221	2022-05-04 21:33:07	n0sk1ll	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	278 ms	72452 KiB

ricehub

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#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
long long int typedef li;
//1-root obicnog, 2-root kurca
li val[10000007],L[10000007],R[10000007],idx=2;
void add(li p, li l, li r, li s, li x)
{
    val[p]+=x;
    if (l==r) return;
    li mid=(l+r)/2;
    if (s<=mid)
    {
        if (!L[p]) L[p]=++idx;
        add(L[p],l,mid,s,x);
    }
    else
    {
        if (!R[p]) R[p]=++idx;
        add(R[p],mid+1,r,s,x);
    }
}
li sum(li p, li l, li r, li ll, li rr)
{
    if (!p || ll>r || rr<l) return 0;
    if (ll<=l && rr>=r) return val[p];
 
 
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