제출 #830668

#제출 시각아이디문제언어결과실행 시간메모리
830668NeroZeinRadio Towers (IOI22_towers)C++17
0 / 100
373 ms1436 KiB
#include "towers.h"
#include <bits/stdc++.h>

using namespace std;

int id;
int mx, mx2;
vector<int> a; 
void init(int N, std::vector<int> H) {
  id = N - 1;
  a = H; 
  for (int i = 0; i < N - 1; ++i) {
    if (H[i] > H[i + 1]) id = i;
  }
  for (int i = 0; i < id; ++i) {
    mx = min(mx, H[i]); 
  }
  for (int i = id + 1; i < N; ++i) {
    mx2 = min(mx, H[i]); 
  }
}

int max_towers(int L, int R, int D) {
  return (L < id && R > id && max(a[id] - mx, a[id] - mx2) >= D ? 2 : 0);
}
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