Cod sursa(job #544073)
Utilizator | Data | 28 februarie 2011 23:24:48 | |
---|---|---|---|
Problema | Operatii | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.27 kb |
#include<iostream>
#include<fstream>
using namespace std;
int main()
{
ifstream f("operatii.in");
ofstream g("operatii.out");
long long n,a,k=0,sum=0;
f>>n;
for(long long i=1;i<=n;i++)
{
f>>a;
if(a>k)
sum=sum+(a-k);
k=a;
}
g<<sum;
}