제출 #1316394

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1316394		djsksbrbf	Pilot (NOI19_pilot)	C++20	28 / 100	91 ms	2844 KiB

pilot

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;
#define fi first
#define se second
#define pb push_back
const int MOD = 1e9;
const int MAX = 3e5 + 5;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};
#define int ll

signed main(){
   ios_base::sync_with_stdio(0);
   cin.tie(0);
   
   int n, q; cin >> n >> q;
   int a[n + 5];
   for(int i = 1 ; i <= n ; i++)cin >> a[i];
   
   int pref[n + 5];pref[0] = 0;
   for(int i = 1 ; i <= n ; i++)pref[i] = max(pref[i - 1], a[i]);
   
   while(q--){
      int x; cin >> x;
      int l = 1, r = n;
      
      int ans = 0;
      while(l <= r){
         int mid = (l + r) >> 1;
         if(pref[mid] <= x){
            ans = mid;
            l = mid + 1;
         }
         else r = mid - 1;
      }
      
      cout << ans*(ans - 1) / 2 + ans << endl;
   }
   
   return 0;
}

• 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