This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
int main() {
int n; cin >> n;
int h[n];
bool status = false;
for (int i = 0; i < n; i++) {
cin >> h[i];
if (i >= 1 and h[i] < h[i-1]) status = true;
}
if (status == false) cout << "0\n";
else {
int count = 0;
for (int i = 0; i < n; i++) {
for (int j = i+1; j < n; j++) {
for (int k = j+1; k < n; k++) {
if (h[i] < h[j] and h[j] > h[k]) count++;
}
}
}
cout << count << "\n";
}
return 0;
}
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