Cod sursa(job #942909)
Utilizator | Crisan Dragos dragoscri_cj | Data | 23 aprilie 2013 20:16:50 |
---|---|---|---|
Problema | Datorii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.51 kb |
#include<iostream>
#include<fstream>
using namespace std;
int n,m,i,j,a[15001],s[15001],t,v,va,p,q;
long long sa;
int main()
{
ifstream f("datorii.in");
ofstream g("datorii.out");
f>>n>>m;
for(i=1;i<=n;i++)
{
f>>a[i];
a[i]=a[i]+a[i-1];
}
for(i=1;i<=m;i++)
{
f>>va;
if(va==0)
{
f>>t>>v;
s[t]=-v;
}
else
{
f>>p>>q;
sa=0;
for(j=p;j<=q;j++)
sa=sa+s[j];
sa=sa+a[q]-a[p-1];
g<<sa<<'\n';
}
}
g<<'\n';
f.close();
g.close();
return 0;
}