#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 int sz = 50;
ll n, q;
ll x[100010];
ll ans[100010];
ll cnt[100010];
vector<pair<pll, ll>> qr[sz];
vector<ll> v;
int main() {
fast;
cin >> n >> q;
v.eb(0);
for(int i=1; i<=n; i++) {
cin >> x[i];
v.eb(x[i]);
}
sort(all(v));
v.erase(unique(all(v)), v.end());
for(int i=1; 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;
qr[a / sz].eb(mp(b, a), i);
}
for(int i=0; i<sz; i++) {
sort(all(qr[i]));
}
for(int i=0; i<sz; i++) {
memset(cnt, 0, sizeof(cnt));
multiset<ll> S;
for(int j=0; j<=n; j++) S.insert(0);
ll s = i * sz;
ll e = i * sz;
for(auto j : qr[i]) {
for( ; e <= j.fi.fi; e++) {
S.erase(- v[x[e]] * cnt[x[e]]);
cnt[x[e]]++;
S.insert(- v[x[e]] * cnt[x[e]]);
}
for(int k = s; k < j.fi.se; k++) {
S.erase(- v[x[k]] * cnt[x[k]]);
cnt[x[k]]--;
S.insert(- v[x[k]] * cnt[x[k]]);
}
ans[j.se] = - (*S.begin());
for(int k = s; k < j.fi.se; k++) {
S.erase(- v[x[k]] * cnt[x[k]]);
cnt[x[k]]++;
S.insert(- v[x[k]] * cnt[x[k]]);
}
}
}
for(int i=1; i<=q; i++) {
cout << ans[i] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1152 KB |
Output is correct |
2 |
Correct |
2 ms |
1152 KB |
Output is correct |
3 |
Correct |
3 ms |
1152 KB |
Output is correct |
4 |
Correct |
3 ms |
1152 KB |
Output is correct |
5 |
Correct |
3 ms |
1152 KB |
Output is correct |
6 |
Correct |
3 ms |
1152 KB |
Output is correct |
7 |
Correct |
3 ms |
1152 KB |
Output is correct |
8 |
Correct |
3 ms |
1152 KB |
Output is correct |
9 |
Correct |
3 ms |
1152 KB |
Output is correct |
10 |
Correct |
3 ms |
1152 KB |
Output is correct |
11 |
Correct |
3 ms |
1152 KB |
Output is correct |
12 |
Correct |
3 ms |
1152 KB |
Output is correct |
13 |
Correct |
4 ms |
1152 KB |
Output is correct |
14 |
Correct |
3 ms |
1152 KB |
Output is correct |
15 |
Correct |
3 ms |
1152 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1152 KB |
Output is correct |
2 |
Correct |
2 ms |
1152 KB |
Output is correct |
3 |
Correct |
3 ms |
1152 KB |
Output is correct |
4 |
Correct |
3 ms |
1152 KB |
Output is correct |
5 |
Correct |
3 ms |
1152 KB |
Output is correct |
6 |
Correct |
3 ms |
1152 KB |
Output is correct |
7 |
Correct |
3 ms |
1152 KB |
Output is correct |
8 |
Correct |
3 ms |
1152 KB |
Output is correct |
9 |
Correct |
3 ms |
1152 KB |
Output is correct |
10 |
Correct |
3 ms |
1152 KB |
Output is correct |
11 |
Correct |
3 ms |
1152 KB |
Output is correct |
12 |
Correct |
3 ms |
1152 KB |
Output is correct |
13 |
Correct |
4 ms |
1152 KB |
Output is correct |
14 |
Correct |
3 ms |
1152 KB |
Output is correct |
15 |
Correct |
3 ms |
1152 KB |
Output is correct |
16 |
Correct |
7 ms |
1152 KB |
Output is correct |
17 |
Correct |
8 ms |
1152 KB |
Output is correct |
18 |
Correct |
15 ms |
1280 KB |
Output is correct |
19 |
Correct |
31 ms |
1344 KB |
Output is correct |
20 |
Incorrect |
69 ms |
1532 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1152 KB |
Output is correct |
2 |
Correct |
3 ms |
1152 KB |
Output is correct |
3 |
Correct |
4 ms |
1152 KB |
Output is correct |
4 |
Correct |
7 ms |
1152 KB |
Output is correct |
5 |
Correct |
18 ms |
1280 KB |
Output is correct |
6 |
Incorrect |
21 ms |
1280 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1152 KB |
Output is correct |
2 |
Correct |
2 ms |
1152 KB |
Output is correct |
3 |
Correct |
3 ms |
1152 KB |
Output is correct |
4 |
Correct |
3 ms |
1152 KB |
Output is correct |
5 |
Correct |
3 ms |
1152 KB |
Output is correct |
6 |
Correct |
3 ms |
1152 KB |
Output is correct |
7 |
Correct |
3 ms |
1152 KB |
Output is correct |
8 |
Correct |
3 ms |
1152 KB |
Output is correct |
9 |
Correct |
3 ms |
1152 KB |
Output is correct |
10 |
Correct |
3 ms |
1152 KB |
Output is correct |
11 |
Correct |
3 ms |
1152 KB |
Output is correct |
12 |
Correct |
3 ms |
1152 KB |
Output is correct |
13 |
Correct |
4 ms |
1152 KB |
Output is correct |
14 |
Correct |
3 ms |
1152 KB |
Output is correct |
15 |
Correct |
3 ms |
1152 KB |
Output is correct |
16 |
Correct |
7 ms |
1152 KB |
Output is correct |
17 |
Correct |
8 ms |
1152 KB |
Output is correct |
18 |
Correct |
15 ms |
1280 KB |
Output is correct |
19 |
Correct |
31 ms |
1344 KB |
Output is correct |
20 |
Incorrect |
69 ms |
1532 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |