Submission #1072985

#	Time	Username	Problem	Language	Result	Execution time	Memory
1072985		Zicrus	송신탑 (IOI22_towers)	C++17	27 / 100	4096 ms	1604 KiB

towers

#include <bits/stdc++.h>
#include "towers.h"
using namespace std;

typedef long long ll;

int n;
vector<int> h;

void init(int N, vector<int> H) {
    n = N; h = H;
}

int max_towers(int L, int R, int D) {
    int res = 1;
    int mn = 1 << 30, mx = 0;
    bool foundK = false;
    for (int i = L; i <= R; i++) {
        if (!foundK) {
            if (h[i] >= mn+D) {
                foundK = true;
                mx = h[i];
                continue;
            }
            mn = min(mn, h[i]);
        }
        else {
            if (h[i] <= mx-D) {
                foundK = false;
                res++;
                mn = h[i];
                continue;
            }
            mx = max(mx, h[i]);
        }
    }
    return res;
}

• Subtask 1: 4 / 4
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 0 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23