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54 lines (53 loc) · 1.18 KB
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Copy pathA.cpp
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54 lines (53 loc) · 1.18 KB
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#include<bits/stdc++.h>
#define vi vector<int>
#define mp map<int,int>
#define ump unordered_map <int,int>
#define ll long long int
#define pb push_back
#define mod 1000000007
#define int long long
#define loop(i,x,n) for(int i=x;i<n;i++)
#define rloop(i,n) for(int i=n-1;i>=0;i--)
using namespace std;
/*************************************************************************************************/
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n,a,b,aa,x;
cin>>a>>b>>n;
aa=a;
string s;
bool c=false;
loop(i,0,1)
{
c=false;
for(char j='0';j<='9';j++)
{
s.clear();
s=to_string(aa);
s.pb(j);
stringstream obj(s);
obj>>x;
if(x%b==0)
{
a=x;
aa=a;
c=true;
break;
}
}
if(c==false)
break;
}
if(c)
{
cout<<a;
for(int i=0;i<n-1;i++)
cout<<0;
}
else
cout<<-1;
return 0;
}