msb-public-java
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LeetCode
mirror of https://github.com/yuanguangxin/LeetCode
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add q945

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pull/6/head
yuanguangxin 5 years ago
parent 977865154a
commit 1991c8b37c
3 changed files with 48 additions and 14 deletions
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33
.idea/workspace.xml
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1
README.md
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@ -52,6 +52,7 @@
* [q54_螺旋矩阵](/src/数组操作/q54_螺旋矩阵)
* [q73_矩阵置零](/src/数组操作/q73_矩阵置零)
* [q945_使数组唯一的最小增量](/src/数组操作/q945_使数组唯一的最小增量)
### 栈相关

28
src/数组操作/q945_使数组唯一的最小增量/Solution.java
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@ -0,0 +1,28 @@
package 数组操作.q945_使数组唯一的最小增量;
import java.util.Arrays;
/**
* 先排序再遍历一次 o(n*log(n))
*/
public class Solution {
public int minIncrementForUnique(int[] A) {
if (A == null || A.length == 0 || A.length == 1) {
return 0;
}
int rs = 0;
Arrays.sort(A);
int t = A[0];
for (int i = 1; i < A.length; i++) {
if (A[i] <= t) {
rs = rs + t - A[i] + 1;
A[i] = t + 1;
}
t = A[i];
}
return rs;
}
}
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