ZigZag Conversion
class Solution {
public String convert(String s, int numRows) {
StringBuilder result = new StringBuilder();
int n = s.length();
if(n==1 || numRows==1){
return s;
}
int step = numRows+numRows-2;
int width = numRows-2;
for(int r=0;r<numRows;r++){
for(int i=r;i<n;i+=step){
result.append(s.charAt(i));
if(r==0 || r==numRows-1){
}else{
int left= width-r;
int right=r-1;
if(step-r+(i-r)<n){
result.append(s.charAt(step-r+(i-r)));
}
}
}
System.out.println();
}
return result.toString();
}
}
Processed:
0.018, SQL:
9
