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Submission #594236

# Submission time Handle Problem Language Result Execution time Memory
594236 2022-07-12T09:06:49 Z 이동현(#8435) Sandcastle 2 (JOI22_ho_t5) C++17
9 / 100
 8 ms 1396 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m; cin >> m >> n;
    vector<int> a(n);
    for(int i = 0; i < n; ++i){
        cin >> a[i];
    }
    vector<int> r(n);
    int ans = 0;
    for(int i = n - 1; i >= 0; --i){
        r[i] = i;
        if(i + 1 < n) r[i] = i + 1;
        if(i + 2 < n && (a[i + 1] - a[i]) * (a[i + 2] - a[i + 1]) > 0) r[i] = r[i + 1];
        ans += r[i] - i + 1;
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 4 ms 1108 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 5 ms 1364 KB Output is correct
5 Correct 5 ms 1344 KB Output is correct
6 Correct 8 ms 1396 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 56.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -