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Cod sursa(job #797900)
# include<iostream>
# include<fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
long int n,m;
int a[15001],i,ab,j,s=0,tp,vq;
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=m;i++)
{
f>>ab>>tp>>vq;
s=0;
if(ab)
{
for(j=tp;j<=vq;j++)
s+=a[j];
g<<s<<endl;
}
else
{
a[tp]-=vq;
}
}
f.close();
g.close();
return 0;
}