Submission #1262002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1262002		tminh	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	83 ms	18872 KiB

Main

#include "bits/stdc++.h"
using namespace std;

#define task ""
#define ll long long
#define endl '\n'
#define fi first
#define se second
#define vall(a) (a).begin(), (a).end()
#define sze(a) (int)a.size()
#define pii pair<int, int>
#define pll pair<ll, ll>


#define ep emplace_back
#define pb push_back
#define pf push_front


const ll mod = 1e9 + 7;
const int N = 2e5 + 5;
const ll oo = 1e18;

bool START;

int n, a[N], ans[N];
vector<int> arr, pos[N];


struct node {
	int l, r, c;
	node(int l_, int r_, int c_) : l(l_), r(r_), c(c_) {}
};
vector<node> upd;

inline void solve() {
	sort(vall(arr));
	arr.erase(unique(vall(arr)), arr.end());
	
	for (int i = 1; i <= n; ++i) {
		a[i] = lower_bound(vall(arr), a[i]) - arr.begin();
		pos[a[i]].pb(i);
	}
	int i = 1;
	while(i <= n) {
		auto it = upper_bound(vall(pos[a[i]]), i);
		if (it == pos[a[i]].end()) {
			upd.pb(node(i, i, arr[a[i]]));
			++i;
		} else {
			upd.pb(node(i, *it - 1, arr[a[i]]));
			i = *it;
		}
	}
	for (auto [l, r, color] : upd) for (int i = l; i <= r; ++i) ans[i] = color;
	for (int i = 1; i <= n; ++i) cout << ans[i] << endl;
}


inline void input() {
    cin >> n;
    for (int i = 1; i <= n; ++i) {
    	cin >> a[i];
    	arr.pb(a[i]);
    }
    return solve();
}
bool END;

int main() {
    if(fopen(task ".inp", "r")) {
        freopen(task ".inp", "r", stdin);
        freopen(task ".out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);

    input();
    
    
    cerr << endl << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << 's' << endl;
    cerr << "Memory: " << fabs ((&END - &START)) / 1048576.0 << "MB\n";
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:72:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         freopen(task ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |         freopen(task ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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