Submission #599297

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
599297	2022-07-19 12:28:35	Bench0310	Jousting tournament (IOI12_tournament)	C++17	100 / 100	121 ms	36612 KiB

tournament

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=100000;
int tree[4*N];
void update(int idx,int l,int r,int pos,int x)
{
    if(l==r) tree[idx]=x;
    else
    {
        int m=(l+r)/2;
        if(pos<=m) update(2*idx,l,m,pos,x);
        else update(2*idx+1,m+1,r,pos,x);
        tree[idx]=tree[2*idx]+tree[2*idx+1];
    }
}
int descend(int idx,int l,int r,int p)
{
    if(l==r) return l;
    int m=(l+r)/2;
    if(p<=tree[2*idx]) return descend(2*idx,l,m,p);
    else return descend(2*idx+1,m+1,r,p-tree[2*idx]);
}
int GetBestPosition(int n,int m,int R,int *K,int *S,int *E)
{
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 32 / 32
• Subtask 3: 51 / 51