msb-public-java
/
LeetCode
mirror of https://github.com/yuanguangxin/LeetCode
1
2
Code Issues Projects Releases Wiki Activity

add q155

Browse Source
pull/6/head
yuanguangxin 4 years ago
parent 4bca22a759
commit b6359959ac
3 changed files with 77 additions and 33 deletions
Show Stats Download Patch File Download Diff File

66
.idea/workspace.xml
Unescape View File

@ -1,8 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ChangeListManager">
<list default="true" id="af7ffdf2-4ddc-4ed6-8222-60ed5acbc2ed" name="Default Changelist" comment="">
<change afterPath="$PROJECT_DIR$/src/动态规划/q64_最小路径和/Solution.java" afterDir="false" />
<list default="true" id="af7ffdf2-4ddc-4ed6-8222-60ed5acbc2ed" name="Default Changelist" comment="add q64">
<change afterPath="$PROJECT_DIR$/src/栈相关/q155_最小栈/MinStack.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
</list>
@ -80,13 +80,13 @@
<recent name="$PROJECT_DIR$/src/q206/f1" />
</key>
</component>
<component name="RunManager" selected="Application.Solution (1)">
<configuration name="Solution (1)" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="分治法.q34_在排序数组中查找元素的第一个和最后一个位置.Solution" />
<component name="RunManager" selected="Application.MinStack">
<configuration name="MinStack" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="栈相关.q155_最小栈.MinStack" />
<module name="LeetCode" />
<extension name="coverage">
<pattern>
<option name="PATTERN" value="分治法.q34_在排序数组中查找元素的第一个和最后一个位置.*" />
<option name="PATTERN" value="栈相关.q155_最小栈.*" />
<option name="ENABLED" value="true" />
</pattern>
</extension>
@ -94,12 +94,12 @@
<option name="Make" enabled="true" />
</method>
</configuration>
<configuration name="Solution (3)" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="字符串操作.q736_划分字母区间.Solution" />
<configuration name="Solution (1)" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="分治法.q34_在排序数组中查找元素的第一个和最后一个位置.Solution" />
<module name="LeetCode" />
<extension name="coverage">
<pattern>
<option name="PATTERN" value="字符串操作.q736_划分字母区间.*" />
<option name="PATTERN" value="分治法.q34_在排序数组中查找元素的第一个和最后一个位置.*" />
<option name="ENABLED" value="true" />
</pattern>
</extension>
@ -200,11 +200,11 @@
</configuration>
<recent_temporary>
<list>
<item itemvalue="Application.MinStack" />
<item itemvalue="Application.Solution (1)" />
<item itemvalue="Application.Solution (6)" />
<item itemvalue="Application.Solution (5)" />
<item itemvalue="Application.Solution (4)" />
<item itemvalue="Application.Solution (3)" />
</list>
</recent_temporary>
</component>
@ -264,14 +264,7 @@
<workItem from="1585037684584" duration="753000" />
<workItem from="1585041029099" duration="2193000" />
<workItem from="1585219892120" duration="917000" />
<workItem from="1585223904505" duration="5628000" />
</task>
<task id="LOCAL-00008" summary="add q46">
<created>1580585083883</created>
<option name="number" value="00008" />
<option name="presentableId" value="LOCAL-00008" />
<option name="project" value="LOCAL" />
<updated>1580585083883</updated>
<workItem from="1585223904505" duration="6502000" />
</task>
<task id="LOCAL-00009" summary="add q53">
<created>1580714190854</created>
@ -609,7 +602,14 @@
<option name="project" value="LOCAL" />
<updated>1585230484320</updated>
</task>
<option name="localTasksCounter" value="57" />
<task id="LOCAL-00057" summary="add q64">
<created>1585230789181</created>
<option name="number" value="00057" />
<option name="presentableId" value="LOCAL-00057" />
<option name="project" value="LOCAL" />
<updated>1585230789181</updated>
</task>
<option name="localTasksCounter" value="58" />
<servers />
</component>
<component name="TypeScriptGeneratedFilesManager">
@ -662,7 +662,6 @@
</option>
</component>
<component name="VcsManagerConfiguration">
<MESSAGE value="update md" />
<MESSAGE value="update q10/q746" />
<MESSAGE value="update q10" />
<MESSAGE value="update q206" />
@ -687,7 +686,8 @@
<MESSAGE value="add q19" />
<MESSAGE value="add q32" />
<MESSAGE value="add q34" />
<option name="LAST_COMMIT_MESSAGE" value="add q34" />
<MESSAGE value="add q64" />
<option name="LAST_COMMIT_MESSAGE" value="add q64" />
</component>
<component name="WindowStateProjectService">
<state x="320" y="115" key="#Inspections" timestamp="1581061018990">
@ -702,35 +702,35 @@
<screen x="0" y="0" width="1440" height="900" />
</state>
<state x="533" y="166" key="#com.intellij.ide.util.MemberChooser/0.0.1440.900@0.0.1440.900" timestamp="1578548165321" />
<state x="303" y="50" key="CommitChangelistDialog2" timestamp="1585230484170">
<state x="303" y="50" key="CommitChangelistDialog2" timestamp="1585232569278">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state x="303" y="50" key="CommitChangelistDialog2/0.0.1440.900@0.0.1440.900" timestamp="1585230484170" />
<state x="303" y="50" key="CommitChangelistDialog2/0.0.1440.900@0.0.1440.900" timestamp="1585232569278" />
<state x="143" y="78" width="1152" height="720" key="DiffContextDialog" timestamp="1585027870766">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state x="143" y="78" width="1152" height="720" key="DiffContextDialog/0.0.1440.900@0.0.1440.900" timestamp="1585027870766" />
<state x="144" y="78" width="1152" height="720" key="DiffContextDialog/0.23.1440.793@0.23.1440.793" timestamp="1582714686712" />
<state x="144" y="78" width="1152" height="720" key="DiffContextDialog/0.23.1440.797@0.23.1440.797" timestamp="1581927787180" />
<state width="1398" height="245" key="GridCell.Tab.0.bottom" timestamp="1585229512716">
<state width="1398" height="245" key="GridCell.Tab.0.bottom" timestamp="1585231993155">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state width="1398" height="245" key="GridCell.Tab.0.bottom/0.0.1440.900@0.0.1440.900" timestamp="1585229512716" />
<state width="1398" height="245" key="GridCell.Tab.0.bottom/0.0.1440.900@0.0.1440.900" timestamp="1585231993155" />
<state width="1398" height="245" key="GridCell.Tab.0.bottom/0.23.1440.797@0.23.1440.797" timestamp="1585228590486" />
<state width="1398" height="245" key="GridCell.Tab.0.center" timestamp="1585229512714">
<state width="1398" height="245" key="GridCell.Tab.0.center" timestamp="1585231993154">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state width="1398" height="245" key="GridCell.Tab.0.center/0.0.1440.900@0.0.1440.900" timestamp="1585229512714" />
<state width="1398" height="245" key="GridCell.Tab.0.center/0.0.1440.900@0.0.1440.900" timestamp="1585231993154" />
<state width="1398" height="245" key="GridCell.Tab.0.center/0.23.1440.797@0.23.1440.797" timestamp="1585228590484" />
<state width="1398" height="245" key="GridCell.Tab.0.left" timestamp="1585229512714">
<state width="1398" height="245" key="GridCell.Tab.0.left" timestamp="1585231993154">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state width="1398" height="245" key="GridCell.Tab.0.left/0.0.1440.900@0.0.1440.900" timestamp="1585229512714" />
<state width="1398" height="245" key="GridCell.Tab.0.left/0.0.1440.900@0.0.1440.900" timestamp="1585231993154" />
<state width="1398" height="245" key="GridCell.Tab.0.left/0.23.1440.797@0.23.1440.797" timestamp="1585228590483" />
<state width="1398" height="245" key="GridCell.Tab.0.right" timestamp="1585229512715">
<state width="1398" height="245" key="GridCell.Tab.0.right" timestamp="1585231993155">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state width="1398" height="245" key="GridCell.Tab.0.right/0.0.1440.900@0.0.1440.900" timestamp="1585229512715" />
<state width="1398" height="245" key="GridCell.Tab.0.right/0.0.1440.900@0.0.1440.900" timestamp="1585231993155" />
<state width="1398" height="245" key="GridCell.Tab.0.right/0.23.1440.797@0.23.1440.797" timestamp="1585228590484" />
<state width="1398" height="303" key="GridCell.Tab.1.bottom" timestamp="1585228962390">
<screen x="0" y="0" width="1440" height="900" />
@ -760,10 +760,10 @@
<screen x="0" y="0" width="1440" height="900" />
</state>
<state x="221" y="63" key="SettingsEditor/0.0.1440.900@0.0.1440.900" timestamp="1585223890241" />
<state x="320" y="190" key="Vcs.Push.Dialog.v2" timestamp="1585230485339">
<state x="320" y="190" key="Vcs.Push.Dialog.v2" timestamp="1585230790365">
<screen x="0" y="0" width="1440" height="900" />
</state>
<state x="320" y="190" key="Vcs.Push.Dialog.v2/0.0.1440.900@0.0.1440.900" timestamp="1585230485339" />
<state x="320" y="190" key="Vcs.Push.Dialog.v2/0.0.1440.900@0.0.1440.900" timestamp="1585230790365" />
<state x="100" y="100" width="1240" height="700" key="com.intellij.history.integration.ui.views.DirectoryHistoryDialog" timestamp="1581744794182">
<screen x="0" y="23" width="1440" height="797" />
</state>

1
README.md
Unescape View File

@ -59,6 +59,7 @@
* [q20_有效的括号](/src/栈相关/q20_有效的括号)
* [q32_最长有效括号](/src/栈相关/q32_最长有效括号)
* [q155_最小栈](/src/栈相关/q155_最小栈)
* [q224_基本计算器](/src/栈相关/q224_基本计算器)
* [q316_去除重复字母](/src/栈相关/q316_去除重复字母)

43
src/栈相关/q155_最小栈/MinStack.java
Unescape View File

@ -0,0 +1,43 @@
package 栈相关.q155_最小栈;
import java.util.Stack;
/**
* 不使用辅助栈，每次push两个元素
*/
public class MinStack {
private Stack<Integer> stack;
public MinStack() {
stack = new Stack<>();
}
public void push(int x) {
if (stack.isEmpty()) {
stack.push(x);
stack.push(x);
} else {
int tmp = stack.peek();
stack.push(x);
if (tmp < x) {
stack.push(tmp);
} else {
stack.push(x);
}
}
}
public void pop() {
stack.pop();
stack.pop();
}
public int top() {
return stack.get(stack.size() - 2);
}
public int getMin() {
return stack.peek();
}
}
Write Preview
Loading…
Cancel
Save