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Cod sursa(job #111655)
#include <fstream.h>
int main(){
ifstream in("datorii.in");
ofstream out("datorii.out");
long long n,m,i,x,y,z,t,j;
in>>n;
in>>m;
long long a[n];
for(i=0;i<n;i++)
in>>a[i];
for(i=0;i<m;i++){
in>>x;
in>>y;
in>>z;
if(x==1){
t=0;
for(j=y-1;j<z;j++)
t+=a[j];
out<<t;
} else {
a[y-1]-=z;
}
}
out.close();
in.close();
return 0;
}