Submission #762290

#	Time	Username	Problem	Language	Result	Execution time	Memory
762290		raysh07	Radio Towers (IOI22_towers)	C++17	4 / 100	741 ms	1444 KiB

towers

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

int k;
vector <int> a;

void init(int N, vector<int> H) {
    k = -1;
    for (int i = 0; i < N; i++){
        bool good = true;
        if (i != 0) good &= H[i] > H[i - 1];
        if (i != N - 1) good &= H[i] > H[i + 1];
        
        if (good) k = i;
    }
    a = H;
    assert(k != -1);
}

int max_towers(int L, int R, int D) {
    if (L < k && R > k) {
        if (a[L] <= a[k] - D && a[R] <= a[k] - D) return 2;
        else return 1;
    }
    else return 1;
}

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