#include <bits/stdc++.h>
#define rep(i, n) for(ll i = 0; i < ll(n); ++i)
#define rep2(i, s, n) for(ll i = ll(s); i < ll(n); ++i)
#define rrep(i, n) for(ll i = ll(n) - 1; i >= 0; --i)
#define rrep2(i, n, t) for(ll i = ll(n) - 1; i >= ll(t); --i)
#define pb push_back
#define eb emplace_back
#define all(a) a.begin(), a.end()
#define SZ(a) int(a.size())
using namespace std;
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vp = vector<P>;
using vvp = vector<vp>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;
const int inf = 1001001001;
const ll linf = 1001001001001001001;
template<class T>
bool chmin(T &a, T b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T>
bool chmax(T &a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
}
const int sz = 300000;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr), cout.tie(nullptr);
int n, q;
cin >> n >> q;
vi a(n);
for (int &i: a) {
cin >> i;
--i;
}
vi l(q), r(q);
rep(i, q) {
cin >> l[i] >> r[i];
--l[i];
}
const int B = min(n, 1338);
vi ord(q);
iota(all(ord), 0);
sort(all(ord), [&](int i, int j) {
if (r[i] / B != r[j] / B) return r[i] / B < r[j] / B;
return l[i] < l[j];
});
vi cnt(sz);
map<int, int> mp;
mp[0] = sz;
auto add = [&](int x) {
if (--mp[cnt[x]] == 0) mp.erase(cnt[x]);
++mp[++cnt[x]];
};
auto del = [&](int x) {
if (--mp[cnt[x]] == 0) mp.erase(cnt[x]);
++mp[--cnt[x]];
};
vvp ls(q);
int nl = 0, nr = 0;
for (int i: ord) {
while (nl > l[i]) add(a[--nl]);
while (nr < r[i]) add(a[nr++]);
while (nl < l[i]) del(a[nl++]);
while (nr > r[i]) del(a[--nr]);
ls[i].reserve(SZ(mp));
for (auto[f, s]: mp) if (f) ls[i].eb(f, s);
}
rep(i, q) cerr << SZ(ls[i]) << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |