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#include <iostream> using namespace std; int main() { int n, l, k; cin >> n >> l >> k; int niza[n]; int prefix_sum[n]; for(int i = 0; i < n; i++) { cin >> niza[i]; if(niza[i] < l) { niza[i] = 0; } else { niza[i] = 1; } } int sum = 0; for(int i = 0; i < n; i++) { sum += niza[i]; prefix_sum[i] = sum; } int days = 0; for(int i = 0; i < n; i++) { if(niza[i] == 1) { if(i + k < n) { int tmp_sum = prefix_sum[i + k] - prefix_sum[i]; if(tmp_sum == k) { days++; } } } } cout << days << endl; return 0; }
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