Hien Yeu Dau!

Facebook: https://www.facebook.com/profile.php?id=100079078192840&locale=vi_VN
Insta: https://www.instagram.com/tienmanhdeptrai2005/
X/Twitter: https://twitter.com/ManhYeuMy123
YouTube: https://www.youtube.com/channel/UC1s7c1i1qKWPUK1a-IKzKQg

ei ei ei im on vacation

what are you waiting for

Hello

Nick chính: AisukiUwU

星野 みやこ が大好きです

viet tuy hoa

Dương Tuấn Minh, H.Dương (THPT Chuyên Nguyễn Trãi, H.Dương)

newbie

include<bits/stdc++.h>

using namespace std;
string st;
long long xuly1(char x,int k)
{
string xau="";
while(k--)
xau+=char(x+1);
return stoll(xau);
}
long long xuly2(char x,int k)
{
string xau="";
while(k--)
xau+=x;
return stoll(xau);
}
int xuly3(char x,int k)
{
string xau;
if(x<'9')
{
xau="";
while(k--)
xau+=char(x+1);
}else
{
xau="1";
while(k--)
xau+='1';
}
return stoll(xau);
}
int main()
{
cin>>st;
for(int i=1;i<st.length();i++) { if(st[i]>st[0]){cout<<xuly1(st[0],st.length())-stoll(st);return 0;}
if(st[i]<st[0]){cout<<xuly2(st[0],st.length())-stoll(st);return 0;}
}
cout<<xuly3(st[0],st.length())-stoll(st);
return 0;
}