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Cod sursa(job #935241)
#include <fstream>
#include <iostream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
long A[15001];
void achitare(){
long s;
int d;
f>>d>>s;
if (A[d]>=s)
A[d]-=s;
else{
A[d]=0;
}
}
void interogare(){
int pi,pf,i;
long long t=0;
f>>pi>>pf;
for (i=pi;i<=pf;i++){
t+=A[i];
}
g<<t<<"\n";
}
void verificare(bool code){
if (code==0){
achitare();
}
else if (code==1){
interogare();
}
}
int main(){
int n;
long m,i;
bool code;
f>>n>>m;
for (i=1;i<=n;i++){
f>>A[i];
}
for (i=1;i<=m;i++){
f>>code;
verificare(code);
}
f.close();
g.close();
return 0;
}