Cod sursa(job #2640539)

Utilizator mex7Alexandru Valentin mex7 Data 6 august 2020 19:08:20
Problema Secventa 2 Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.66 kb

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n, v[50001], k, maxSum, leftB, rightB;

int main() {
    fin >> n >> k;
    for (int i = 1; i <= n; i++)
        fin >> v[i];

    int start = 1, currSum = 0;
    for (int i = 1; i <= n; i++) {
        currSum += v[i];

        if (currSum > maxSum) 
            maxSum = currSum, leftB = start, rightB = i;
        
        while (i + 1 - start > k && (v[i] > currSum || currSum - v[start] >= currSum))
            currSum -= v[start++];
    }

    fout << leftB << " " << rightB << " " << maxSum;

    return 0;
}