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Problem:
Solution:
Code:
class Solution {
public String convert(String s, int numRows) {
if (numRows == 1) return s;
StringBuilder ret = new StringBuilder();
int n = s.length();
int cycleLen = 2 * numRows - 2;
for (int i = 0; i < numRows; i++) {
for (int j = 0; j + i < n; j += cycleLen) {
ret.append(s.charAt(j + i));
if (i != 0 && i != numRows - 1 && j + cycleLen - i < n)
ret.append(s.charAt(j + cycleLen - i));
}
}
return ret.toString();
}
}
Problem:
Solution:
Code:
class Solution {
public String convert(String s, int numRows) {
if (numRows == 1) return s;
StringBuilder ret = new StringBuilder();
int n = s.length();
int cycleLen = 2 * numRows - 2;
for (int i = 0; i < numRows; i++) {
for (int j = 0; j + i < n; j += cycleLen) {
ret.append(s.charAt(j + i));
if (i != 0 && i != numRows - 1 && j + cycleLen - i < n)
ret.append(s.charAt(j + cycleLen - i));
}
}
return ret.toString();
}
}
本文标签: LeetCodeZigZagConversation
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