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#include <stdio.h>
#include <fstream>
#define MaxN 15000
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int suma(int p,int q,int a[]);
void scadere(int t,int v,int a[]);
int main()
{
int a[MaxN],n,m,i,p,q,opt,t,v;
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=m;i++){
f>>opt;
if(opt==0){
f>>t;
f>>v;
scadere(t,v,a);
}
else if(opt==1){
f>>p;
f>>q;
g<<suma(p,q,a)<<'\n';
}
}
f.close();
g.close();
return 0;
}
int suma(int p,int q,int a[])
{
int srestanta=0;
for(;p<=q;p++)
srestanta+=a[p];
return srestanta;
}
void scadere(int t,int v,int a[])
{
a[t]-=v;
}