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402:移掉K位数字

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huangge1199 2021-04-25 09:42:28 +08:00
parent 9405fda740
commit 119d05496a
1 changed files with 3 additions and 1 deletions
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4
LeetCode/src/main/java/leetcode/editor/cn/RemoveKDigits.java
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@ -67,8 +67,9 @@ public class RemoveKDigits {
for (; i < num.length() - 1; i++) {
while (i + 1 < num.length() && num.charAt(i) > num.charAt(i + 1) && remove < k) {
num = num.substring(i + 1);
i=0;
remove++;
while (!stack.isEmpty() && i + 1 < num.length() && stack.peek() > num.charAt(i + 1) && remove < k) {
while (!stack.isEmpty() && i < num.length() && stack.peek() > num.charAt(i) && remove < k) {
stack.pop();
remove++;
}
@ -80,6 +81,7 @@ public class RemoveKDigits {
stack.push(num.charAt(i));
}
}
num = num.substring(i);
while (!stack.isEmpty()) {
num = stack.pop() + num;
}