/ SeriousOJ /

Record Detail

Accepted


  
# Status Time Cost Memory Cost
#1 Accepted 18ms 19.594 MiB
#2 Accepted 18ms 19.492 MiB
#3 Accepted 141ms 20.02 MiB
#4 Accepted 220ms 22.77 MiB
#5 Accepted 494ms 33.422 MiB
#6 Accepted 502ms 33.273 MiB
#7 Accepted 520ms 33.34 MiB
#8 Accepted 492ms 33.391 MiB
#9 Accepted 943ms 34.059 MiB
#10 Accepted 990ms 47.898 MiB
#11 Accepted 220ms 20.258 MiB

Code

#include <bits/stdc++.h>
#define endl '\n'
#define F first
#define S second
using namespace std;
#define ll long long
#define pb push_back
#define mod 1000000007
// #define int long long
#define all(x)      x.begin(),x.end()
#define allr(x)     x.rbegin(),x.rend()
#define CheckBit(x,k)   (x & (1LL << k))
#define SetBit(x,k)     (x |= (1LL << k))
#define ClearBit(x,k)   (x &= ~(1LL << k))
#define LSB(mask)       __builtin_ctzll(mask)
#define MSB(mask)       63-__builtin_clzll(mask) 
#define print(x)    cout << #x << " : " << x << endl
#define error1(x)   cerr << #x << " = " << (x) <<endl
#define coutall(v)  for(auto &it: v) cout<<it<<' '; cout<<endl
#define Abid_52     ios::sync_with_stdio(false);cin.tie(0),cin.tie(0)
#define error2(a,b) cerr<<"( "<<#a<<" , "<<#b<<" ) = ( "<<(a)<<" , "<<(b)<<" )\n"
#define UNIQUE(x)   sort(all(x)), x.erase(unique(all(x)), x.end()), x.shrink_to_fit()
template <typename T, typename U> T ceil(T x, U y) {return (x > 0 ? (x + y - 1) / y : x / y);}
template <typename T, typename U> T floor(T x, U y) {return (x > 0 ? x / y : (x - y + 1) / y);}

const int N = 2e5 + 10;
vector<int>tree[4 * N];
vector<int> v(N + 5);
void build(int node, int st, int en){
    tree[node].clear();
    if(st == en){
        tree[node] = {v[st]};
        return;
    }
    int mid = (st + en) / 2;
    int left = 2 * node;
    int right = 2 * node + 1;
    build(left, st, mid);
    build(right, mid + 1, en);
    merge(tree[left].begin(), tree[left].end(), tree[right].begin(), tree[right].end(), back_inserter(tree[node]));
}
int query(int node ,int st, int en, int l, int r, int val){
       if(st > r || en < l){
            return 0;
       } 
       if(l <= st && en <= r){
            int id = lower_bound(all(tree[node]), val) - tree[node].begin();
            return id;
       }
       int mid = (st + en) / 2;
       int left = 2 * node;
       int right = 2 * node + 1;
       int q1 = query(left, st, mid, l, r, val);
       int q2 = query(right, mid + 1, en, l, r, val);
       return q1 + q2;
}
void solve()
{
    int n, m;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> v[i];
    }

    build(1, 1, n);

    int q;
    cin >> q;
    while(q--){
        int l, x, r;
        cin >> l >> x >> r;
        ll leftMn = query(1, 1, n, l, x - 1, v[x]);
        ll leftMx = (x - l) - query(1, 1, n, l, x - 1, v[x] + 1);
        ll rightMn = query(1, 1, n, x + 1, r, v[x]);
        ll rightMx = (r - x) - query(1, 1, n, x + 1, r, v[x] + 1);

        cout << (leftMn * rightMx) + (leftMx * rightMn) << endl;
    }
}   

int32_t main()
{
    Abid_52;
    int t = 1;
    cin >> t;
    for (int tc = 1; tc <= t; ++tc)
    {
        // cout << "Case " << tc << ": ";
        solve();
    }
}

Information

Submit By
Type
Submission
Problem
P1082 Roy and Query (Hard Version)
Language
C++17 (G++ 13.2.0)
Submit At
2024-10-06 15:45:40
Judged At
2024-10-06 15:45:40
Judged By
Score
100
Total Time
990ms
Peak Memory
47.898 MiB