3rd task Arduino

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;

int main(){
    long long int n, time;
    long long int curr;
    vector <long long int> data;
    bool is_sleep = false;
    cin >> n;
    for (long long int i=0; i<n; i++) {
        cin >> curr;
        data.push_back(curr);
    }
    for (long long int i = 0; i<data.size(); i++) {
        if (abs(data[i] - data[i-1]) <= 3) time++;
        else time = 0;

        if (time >= 3) is_sleep = true;
        else is_sleep = false;
        }
    if (is_sleep) cout << "True";
    else cout << "False";
}