//Dost SEFEROĞLU
#include <bits/stdc++.h>
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e18;
const int N = 2e5+50,Q = 2e5+50;
void solve() {
int n,q;
cin >> n >> q;
vi a(n+1);
for (int i=1;i<=n;i++) cin >> a[i];
while (q--) {
int l,r;
cin >> l >> r;
n = r-l+1;
map<int,int> mp;
for (int j = l;j<=r;j++) mp[a[j]]++;
vector<pii> ps;
for (auto it : mp) ps.push_back(it);
sort(ps.begin(),ps.end(),[&](pii p1,pii p2){
return p1.ss*(p1.ss+1) > (p1.ss-p2.ss)*(n-p2.ss+1)+p2.ss*(p2.ss+1);
});
int ans = 0;
int cur = 1;
for (auto it : ps) {
int r = cur+it.ss-1;
ans+=n*(n+1)/2-cur*(cur-1)/2-(n-r)*(n-r+1)/2;
cur = r+1;
}
cout << ans << '\n';
}
}
signed main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Dodi
freopen("in.txt","r",stdin);
freopen("out.txt","w",stdout);
#endif
int t = 1;
//cin >> t;
while (t --> 0) solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |