Submission #833526

#	Time	Username	Problem	Language	Result	Execution time	Memory
833526		vjudge1	Exam (eJOI20_exam)	C++17	12 / 100	18 ms	1308 KiB

exam

/******************************************************************************

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*******************************************************************************/
#include <bits/stdc++.h>


using namespace std;


void solve(){
    int n;
    cin >> n;
    int t[n + 1], h[n + 1];
    set<int> st;
    for(int i = 1; i <= n; i++){
        cin >> h[i];
    }
    for(int i = 1; i <= n; i++){
        cin >> t[i];
        st.insert(t[i]);
    }
    bool bisa[n + 1];
    memset(bisa, 0, sizeof(bisa));
    if(st.size() == 1){
        for(int i = 1; i <= n; i++){
            if(h[i] != t[i]){
                continue;
            }
            bisa[i] = true;
            int l = i - 1, r = i + 1;
            while(l > 0 && h[l] <= t[i] && !bisa[l]){
                bisa[l] = true;
                l--;
            }
            while(r <= n && h[r] <= t[i] && !bisa[r]){
                bisa[r] = true;
                r++;
            }
        }
    }
    int cnt = 0;
    for(int i = 1; i <= n; i++){
        if(bisa[i]){
            cnt++;
        }
    }
    cout << cnt << endl;
    
    
    
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int t = 1;
    while(t--){
        solve();
    }

    return 0;
}

• Subtask 1: 0 / 14
• Subtask 2: 12 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22