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 "towers.h"
#include <bits/stdc++.h>
using namespace std;
const int maxN = 1e5 + 20;
int cnt_min[maxN];
int H[maxN];
int N;
void init(int _N, vector<int> _H) {
N = _N;
for (int i = 0; i < N; i++) {
H[i] = _H[i];
}
for (int i = 1; i < N - 1; i++) {
cnt_min[i] = cnt_min[i - 1] + (H[i] < H[i - 1] && H[i] < H[i + 1]);
}
}
int max_towers(int L, int R, int D) {
if (L == R) {
return 1;
}
if (D == 1) {
return cnt_min[R - 1] - cnt_min[L] + (H[L] < H[L + 1]) + (H[R] > H[R - 1]);
}
return 0;
}
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