Submission #317933

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
317933	2020-10-30 21:49:23	ant101	Archery (IOI09_archery)	C++14	67 / 100	2045 ms	8784 KiB

archery

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#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
bool chk[200010];
int pa[200010];
int n;
int par(int x)
{
    if(!chk[x])
        return x;
    return pa[x]=par(pa[x]);
}
inline void put(int x)
{
    chk[x]=1;
    pa[x]=x==1?n:x-1;
    return;
}
int main()
 
 
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• Subtask 1: 5 / 6
• Subtask 2: 62 / 94