Solution for Foregone solution in Qualification Round 2019 - Google Code
Jam 2019 giving runtime error can anybody please help me?
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
//import java.io.File;
class CC {
//Qualification Round 2019 - Google Code Jam 2019== foregone solution
public static void main(String[] args) throws NumberFormatException,
IOException {
//File file = new File("C:\\Users\\rv602\\Desktop\\input1.txt");
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
//ArrayList<Integer> al = new ArrayList<>();
int t = Integer.parseInt(br.readLine().trim());
String s,ans2,ans1,answer="";
int flag;
for (int t1 = 0; t1 < t; ++t1) {
s = br.readLine().trim();
ans1 = "";
ans2 = "";
flag=0;
for (int i = 0; i < s.length(); ++i) {
char ch=s.charAt(i);
if(ch=='4')
{
ans1=ans1+"2";
ans2=ans2+"2";
flag=1;
}
else
{
ans1+=Character.toString(ch);
if(flag==1)
ans2+="0";
}
}
answer+="Case #"+(t1+1)+": "+ans1+" "+ans2+'\n';
}
System.out.println(answer);
}
}
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