Submission #1187266

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187266		aladdin1	Pilot (NOI19_pilot)	C++20	Compilation error	0 ms	0 KiB

pilot

#include <bits/stdc++.h>

using namespace std;
 
#define ll long long
#define int long long
#define all(v) v.begin(), v.end()
#define pii pair<int, int>

const int MAX = 1e6 + 100, MOD = 1e9 + 7;

vector<int> v[MAX];
vector<int> mp[MAX];
int ANS[MAX];

void solve(){
    int n, q; cin >> n >> q;
    int arr[n + 2];
    for(int i = 1; i <= n; ++i){
        cin >> arr[i];
        mp[arr[i]].push_back(i);
    }
    unordered_set<int> st;
    int ans = 0;
    for(int i = 0; i <= n + 1; ++i){
        st.insert(i);
    }
    for(int y = 0; y < MAX; ++y){
        for(int i:mp[y]){
            st.erase(i);
            auto itr = st.lower_bound(i);
            int j = *itr;
            --itr;
            int k = *itr;
            int d1 = (i - k - 1);
            int d2 = (j - i - 1);
            int d3 = (j - k - 1);
            ans -= d1 * (d1 + 1) / 2;
            ans -= d2 * (d2 + 1) / 2;
            ans += d3 * (d3 + 1) / 2;
        }
        ANS[y] = ans;
    }
    for(int i = 0; i < q; ++i){
        int y; cin >> y;
        cout << ANS[y] << '\n';
    }
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
}

Compilation message (stderr)

pilot.cpp: In function 'void solve()':
pilot.cpp:33:27: error: 'class std::unordered_set<long long int>' has no member named 'lower_bound'
   33 |             auto itr = st.lower_bound(i);
      |                           ^~~~~~~~~~~