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#include <bits/stdc++.h>
#define _ ios_base::sync_with_stdio (0);
#define MAXN 100123
 
using namespace std;
 
int FT [MAXN]
 
int getFT(int n){
    int v=0;
    for(int i=n;i;i-= i&-i) v+=FT [i];
    return v;
}
 
void setFT(int n,int value,int tam){
    for(int i=n;i<tam+1;i+= i&-i) FT[i]+=value;
}
 
int main (){_
    int n,x,a,b,rusult,q;
    cin>>n>>q;
    for(int i=0;i<n;++i){
    	    cin>>x;
    	    setFT(i+1,x,n+5);
    	}
    	for(int i=0;i<q;++i){
    	    cin>>a>>b;
    	    result=getFT(b)-getFT(a-1);
    	    cout << result << endl;
 
    	}
 
    return 0;
}

prog.cpp:7:14: error: expected ';' after top level declarator
int FT [MAXN]
             ^
             ;
prog.cpp:28:10: error: use of undeclared identifier 'result'; did you mean 'rusult'?
            result=getFT(b)-getFT(a-1);
            ^~~~~~
            rusult
prog.cpp:20:17: note: 'rusult' declared here
    int n,x,a,b,rusult,q;
                ^
prog.cpp:29:18: error: use of undeclared identifier 'result'; did you mean 'rusult'?
            cout << result << endl;
                    ^~~~~~
                    rusult
prog.cpp:20:17: note: 'rusult' declared here
    int n,x,a,b,rusult,q;
                ^
3 errors generated.

Standard output is empty