Submission #1328146

#	Time	Username	Problem	Language	Result	Execution time	Memory
1328146		Zone_zonee	Pilot (NOI19_pilot)	C++20	28 / 100	25 ms	1788 KiB

pilot

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e6+10;

int a[N];
ll calc(int l, int r){
    int len = (r-l+1);
    return 1LL*len*(len+1)/2;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, q;
    cin >> n >> q;
    for(int i = 1; i <= n; ++i) cin >> a[i];
    while(q--){
        int x; cin >> x;
        if(x == 1e6){
            cout << calc(1, n) << '\n';
            continue;
        }
        ll ans = 0;
        int l = 1, r = 1;
        r = upper_bound(a+l, a+n+1, x) - a;
        // cerr << "dbg : " << l << ' ' << r << '\n';
        ans += calc(l, r-1);
        cout << ans << '\n';
    }
}
/*
5 4
1 2 3 4 5
1
2
3
6
*/

• Subtask 1: 0 / 3
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 5 / 5
• Subtask 6: 9 / 9
• Subtask 7: 14 / 14
• Subtask 8: 0 / 10
• Subtask 9: 0 / 11
• Subtask 10: 0 / 11