code. compile. run. debug. share.
Source Code
Language
#include<bits/stdc++.h>
using namespace std;
int main() {
unsigned long long int n;
cin>>n;
unsigned long long int temp=n;
int c=0,f=0;
while(n>0)
{
n=n/10;
c++;
}
n=temp;
int a[c];
int g=0;
while(n>0)
{
int r=n%10;
if (r>=5&&n>9)
r=9-r;
a[g++]=r;
n/=10;
}
for(int i=g-1;i>=0;i--)
{ if(f>0||a[i]!=0){
cout<<a[i];f++;}
}
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
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