Mai intai trebuie sa te autentifici.
Cod sursa(job #1839928)
Utilizator | Data | 3 ianuarie 2017 16:53:52 | |
---|---|---|---|
Problema | Secventa 2 | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.96 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n, k, a[50005], b[50005], c[50005];
void Citire()
{
int i;
fin >> n >> k;
for(i = 1; i <= n; i++)
fin >> a[i];
}
void SPartiale()
{
int i;
for(i = 1; i <= n; i++)
b[i] = b[i - 1] + a[i];
}
void Rezolva()
{
int i, st, dr, smax = -999999999;
for(i = 1; i <= n; i++)
{
if(b[i] >= smax)
{
smax = b[i];
dr = i;
}
}
smax = -999999999;
for(i = dr; i >= 1; i--)
{
c[i] = c[i + 1] + a[i];
if(c[i] >= smax)
{
st = i;
smax = c[i];
}
}
fout << st << " " << dr << " " << smax << "\n";
}
int main()
{
Citire();
if(n == k)
fout << "1" << " " << n << " " << a[n] << "\n";
else
{
SPartiale();
Rezolva();
}
return 0;
}