Popes - UVA judge | Andres Salazar & Julian David Ramirez Lopera EAFIT

#include <vector>
#include <iostream>

using namespace std;

void solve(int years){
    int num_popes;
    cin >> num_popes;
    vector<int> popes;

    while(num_popes--){
        int pope;
        cin >> pope;
        popes.push_back(pope);
    }

    int curr_popes = 0, best = 0, first_year = 0, last_year = 0;
    int answer_start, answer_end;

    while (last_year < popes.size()){

        int difference = popes[last_year] - popes[first_year];
        if (difference < years) {
            ++last_year;
        } else {
            ++first_year;
        }

        difference = popes[last_year] - popes[first_year];
        curr_popes = last_year - first_year + 1;
        if (curr_popes > best && difference < years && last_year < popes.size()) {
            best = curr_popes;
            answer_start = first_year;
            answer_end = last_year;
        }
    }

    cout << best << " " << popes[answer_start]<< " " << popes[answer_end] << endl;
}


int main(){
    int year;
    while(cin >> year){
        solve(year);
    }
}