giúp tôi với được không mn ơi :9

#danglam228

#include <bits/stdc++.h>
#define ll long long 
using namespace std;
ll n,a,b;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    freopen("KANGAROO.INP","r",stdin);
    freopen("KANGAROO.OUT","w",stdout);
    cin >> n >> a >> b;
    ll d1 = INT_MAX;  
    for (ll i = 0; i <= n / b; ++i) {
        ll d = n - i * b;
        if (d % a == 0) {
            ll d2 = i + d / a;
            d1 = min(d1, d2);
        }
    }
    if (d1 == INT_MAX) {
        cout << -1 << endl;
    } else {
        cout << d1 << endl;
    }
    return 0;
}

var a,b,n,i,j,min:longint;
ok:boolean;
begin
assign(input,'KANGAROO.INP');reset(input);
assign(output,'KANGAROO.OUT');rewrite(output);
readln(n,a,b);
min:=maxlongint;
ok:=false;
for i:=0 to n div a do
begin
for j:= 0 to n div b do
begin
if (a*i+b*j=n) then
begin
ok:= true;
if (i+j<min) then
min:=i+j;
end;
end;
end;
if ok then
writeln(min)
else
writeln(-1);
end.