Cod sursa(job #2813381)

Utilizator Alex_HossuHossu Alexandru Alex_Hossu Data 6 decembrie 2021 15:26:06
Problema Subsecventa de suma maxima Scor 5
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.05 kb
// https://www.infoarena.ro/problema/ssm
#include <stdio.h>

struct Res {
    int indFirst, indLast;
    long long sum;
};

Res res;

int main() {
    FILE *fin, *fout;
    int n, i;
    int elem;
    bool flag;
    long long sum;
    int indFirst, indLast;

    fin = fopen("ssm.in", "r");

    fscanf(fin, "%d", &n);

    sum = 0;

    flag = false;

    indLast = 0;
    indFirst = 0;

    for (i = 0; i < n; i++) {
        fscanf(fin, "%d", &elem);
        sum = sum + elem;
        if (flag == true) {
            indFirst = i;
            flag = false;
        }
        if (sum < 0) {
            sum = 0;
            flag = true;
        } else {
            indLast++;
            if (res.sum <= sum) {
                res.indFirst = indFirst;
                res.indLast = indLast;
                res.sum = sum;
            }
        }
    }

    fclose(fin);

    fout = fopen("ssm.out", "w");
    fprintf(fout, "%lld %d %d", res.sum, res.indFirst + 1, res.indLast + 1);
    fclose (fout);

    return 0;
}