oj.uz

Submission #259582

# Submission time Handle Problem Language Result Execution time Memory
259582 2020-08-08T03:18:15 Z 임성재(#5054) 역사적 조사 (JOI14_historical) C++17
30 / 100
 1108 ms 7280 KB 
#include<bits/stdc++.h>  
using namespace std;  
  
#define fast ios::sync_with_stdio(false);cin.tie(NULL)  
#define fi first  
#define se second  
#define all(v) (v).begin(),(v).end()  
#define pb push_back  
#define eb emplace_back
#define pre(a) cout<<fixed; cout.precision(a)
#define mp make_pair
  
typedef long long ll;  
typedef pair<int,int> pii;  
typedef pair<ll,ll> pll;  
const ll INF = 1e18;
const int inf = 1e9;
const ll sz = 1;

ll n, q;
ll x[100010];
ll cnt[100010];
ll ans[100010];
vector<ll> v;
vector<pair<pll, ll>> qr;
multiset<ll> S;

void add(int k) {
	if(cnt[k] > 0) S.erase(cnt[k] * v[k]);
	cnt[k]++;
	if(cnt[k] > 0) S.insert(cnt[k] * v[k]);
}

void erase(int k) {
	if(cnt[k] > 0) S.erase(cnt[k] * v[k]);
	cnt[k]--;
	if(cnt[k] > 0) S.insert(cnt[k] * v[k]);
}

int main() {
	fast;

	cin >> n >> q;

	for(int i=0; i<n; i++) {
		cin >> x[i];
		v.eb(x[i]);

		assert(1 <= x[i] && x[i] <= inf);
	}

	sort(all(v));
	v.erase(unique(all(v)), v.end());

	for(int i=0; i<n; i++) {
		x[i] = lower_bound(all(v), x[i]) - v.begin();
	}

	for(int i=1; i<=q; i++) {
		ll a, b;
		cin >> a >> b;
		a--, b--;

		qr.eb(mp(a, b), i);
	}

	sort(all(qr), [](pair<pll, ll> i, pair<pll, ll> j) {
		if(i.fi.fi / sz == j.fi.fi / sz) return i.fi.se < j.fi.se;
		return i.fi.fi < j.fi.fi;
	});

	int s = qr[0].fi.fi;
	int e = qr[0].fi.se;

	for(int i=s; i<=e; i++) {
		add(x[i]);
	}

	ans[qr[0].se] = *prev(S.end());

	for(int i=1; i<q; i++) {
		while(s < qr[i].fi.fi) erase(x[s++]);
		while(s > qr[i].fi.fi) add(x[--s]);
		while(e < qr[i].fi.se) add(x[++e]);
		while(e > qr[i].fi.se) erase(x[e--]);

		assert(!S.empty());
		ans[qr[i].se] = *prev(S.end());
	}

	for(int i=1; i<=q; i++) {
		cout << ans[i] << "\n";
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 7 ms 384 KB Output is correct
18 Correct 25 ms 384 KB Output is correct
19 Correct 109 ms 512 KB Output is correct
20 Correct 432 ms 640 KB Output is correct
21 Correct 974 ms 872 KB Output is correct
22 Incorrect 1108 ms 872 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 8 ms 640 KB Output is correct
9 Correct 18 ms 896 KB Output is correct
10 Correct 15 ms 1280 KB Output is correct
11 Correct 82 ms 5984 KB Output is correct
12 Correct 66 ms 2044 KB Output is correct
13 Correct 72 ms 3568 KB Output is correct
14 Correct 86 ms 5100 KB Output is correct
15 Correct 93 ms 7264 KB Output is correct
16 Correct 113 ms 7148 KB Output is correct
17 Correct 54 ms 3824 KB Output is correct
18 Correct 84 ms 5740 KB Output is correct
19 Correct 82 ms 7052 KB Output is correct
20 Correct 56 ms 7280 KB Output is correct

Subtask #4
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 7 ms 384 KB Output is correct
18 Correct 25 ms 384 KB Output is correct
19 Correct 109 ms 512 KB Output is correct
20 Correct 432 ms 640 KB Output is correct
21 Correct 974 ms 872 KB Output is correct
22 Incorrect 1108 ms 872 KB Output isn't correct
23 Halted 0 ms 0 KB -