Submission #774712

#	Time	Username	Problem	Language	Result	Execution time	Memory
774712		vjudge1	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	102 ms	13256 KiB

Main

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef stack<ll> sll;
typedef queue<ll> qll;
typedef deque<ll> dll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
 
#define endl '\n'
#define pb push_back
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define BACK(i,a,b) for(int i = a; i >= b; i--)
#define fastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define fi first
#define se second
#define bp __builtin_popcountll
#define gcd __gcd
#define bit(i,n) ((n>>i)&1)
#define setmin(x,y) x=min((x),(y))
#define setmax(x,y) x=max((x),(y))
 
const int MAXN = (2e5)+5;
// const ll SQRT = 4;
const long long inf = 1e18;
const long long MOD = 1e9+7;

int n,a[MAXN],c[MAXN];
map<int,int> cnt;

signed main()
{
	fastIO
	// freopen("in.txt","r",stdin);
	// freopen("out.txt","w",stdout);
	cin>>n;
	FOR(i,1,n) cin>>a[i];
	BACK(i,n,1) c[i]=(++cnt[a[i]]);
	FOR(i,1,n) if(c[i]>1)
	{
		int j=i;
		while(a[j+1]!=a[i]) a[++j]=a[i];
		i=j;
	}
	FOR(i,1,n) cout<<a[i]<<endl;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40