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답안 #259590

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
259590 2020-08-08T03:27:25 Z 임성재(#5054) 역사적 조사 (JOI14_historical) C++17
40 / 100
 4000 ms 8800 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 = 333;

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

ll tree[400010];

void update(int node, int s, int e, int i, ll x) {
	if(s == e) {
		tree[node] = x;
		return;
	}

	int m = s + e >> 1;

	if(i <= m) update(node*2, s, m, i, x);
	else update(node*2+1, m+1, e, i, x);

	tree[node] = max(tree[node*2], tree[node*2+1]);
}
 
void add(int k) {
	cnt[k]++;
	update(1, 0, n, k, cnt[k] * v[k]);
}

void erase(int k) {
	cnt[k]--;
	update(1, 0, n, k, cnt[k] * v[k]);
}

ll cal() {
	return tree[1];
}

int main() {
	fast;

	cin >> n >> q;

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

	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] = cal();

	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--]);

		ans[qr[i].se] = cal();
	}

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

Compilation message

historic.cpp: In function 'void update(int, int, int, int, ll)':
historic.cpp:35:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = s + e >> 1;
          ~~^~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 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
10.0 / 10.0

# 결과 실행 시간 메모리 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 1 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 15 ms 512 KB Output is correct
20 Correct 39 ms 760 KB Output is correct
21 Correct 63 ms 880 KB Output is correct
22 Correct 66 ms 880 KB Output is correct
23 Correct 59 ms 876 KB Output is correct
24 Correct 61 ms 872 KB Output is correct
25 Correct 69 ms 880 KB Output is correct
26 Correct 67 ms 880 KB Output is correct
27 Correct 67 ms 880 KB Output is correct
28 Correct 67 ms 880 KB Output is correct
29 Correct 66 ms 880 KB Output is correct
30 Correct 68 ms 880 KB Output is correct
31 Correct 61 ms 872 KB Output is correct
32 Correct 54 ms 876 KB Output is correct
33 Correct 69 ms 880 KB Output is correct
34 Correct 72 ms 1000 KB Output is correct
35 Correct 71 ms 880 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 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 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 4 ms 640 KB Output is correct
8 Correct 8 ms 768 KB Output is correct
9 Correct 17 ms 1152 KB Output is correct
10 Correct 19 ms 1280 KB Output is correct
11 Correct 83 ms 5992 KB Output is correct
12 Correct 53 ms 2160 KB Output is correct
13 Correct 78 ms 3748 KB Output is correct
14 Correct 107 ms 6124 KB Output is correct
15 Correct 130 ms 8424 KB Output is correct
16 Correct 101 ms 7648 KB Output is correct
17 Correct 51 ms 3824 KB Output is correct
18 Correct 78 ms 5856 KB Output is correct
19 Correct 97 ms 8800 KB Output is correct
20 Correct 60 ms 6384 KB Output is correct

Subtask #4
0 / 60.0

# 결과 실행 시간 메모리 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 1 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 15 ms 512 KB Output is correct
20 Correct 39 ms 760 KB Output is correct
21 Correct 63 ms 880 KB Output is correct
22 Correct 66 ms 880 KB Output is correct
23 Correct 59 ms 876 KB Output is correct
24 Correct 61 ms 872 KB Output is correct
25 Correct 69 ms 880 KB Output is correct
26 Correct 67 ms 880 KB Output is correct
27 Correct 67 ms 880 KB Output is correct
28 Correct 67 ms 880 KB Output is correct
29 Correct 66 ms 880 KB Output is correct
30 Correct 68 ms 880 KB Output is correct
31 Correct 61 ms 872 KB Output is correct
32 Correct 54 ms 876 KB Output is correct
33 Correct 69 ms 880 KB Output is correct
34 Correct 72 ms 1000 KB Output is correct
35 Correct 71 ms 880 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 512 KB Output is correct
42 Correct 4 ms 640 KB Output is correct
43 Correct 8 ms 768 KB Output is correct
44 Correct 17 ms 1152 KB Output is correct
45 Correct 19 ms 1280 KB Output is correct
46 Correct 83 ms 5992 KB Output is correct
47 Correct 53 ms 2160 KB Output is correct
48 Correct 78 ms 3748 KB Output is correct
49 Correct 107 ms 6124 KB Output is correct
50 Correct 130 ms 8424 KB Output is correct
51 Correct 101 ms 7648 KB Output is correct
52 Correct 51 ms 3824 KB Output is correct
53 Correct 78 ms 5856 KB Output is correct
54 Correct 97 ms 8800 KB Output is correct
55 Correct 60 ms 6384 KB Output is correct
56 Correct 149 ms 1204 KB Output is correct
57 Correct 435 ms 1776 KB Output is correct
58 Correct 888 ms 2376 KB Output is correct
59 Correct 1511 ms 4296 KB Output is correct
60 Correct 2238 ms 4980 KB Output is correct
61 Correct 2763 ms 5668 KB Output is correct
62 Correct 3166 ms 6740 KB Output is correct
63 Correct 3415 ms 7776 KB Output is correct
64 Correct 3897 ms 8540 KB Output is correct
65 Execution timed out 4062 ms 7648 KB Time limit exceeded
66 Halted 0 ms 0 KB -