题解 | #最大放牛数#
最大放牛数
https://www.nowcoder.com/practice/5ccfbb41306c445fb3fd35a4d986f8b2?tpId=354&tqId=10595891&ru=/exam/oj&qru=/ta/interview-202-top/question-ranking&sourceUrl=%2Fexam%2Foj
import java.util.*;
public class Solution {
/**
* 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
*
*
* @param pasture int整型一维数组
* @param n int整型
* @return bool布尔型
*/
public boolean canPlaceCows (int[] pasture, int n) {
// write code here
boolean[] flag = new boolean[pasture.length];
for (int i = 0; i < pasture.length; i++) {
if (pasture[i] == 1) {
flag[i] = true;
if (i - 1 >= 0) {
if (pasture[i - 1] != 1) {
flag[i - 1] = true;
}
}
if (i + 1 < pasture.length) {
flag[i + 1] = true;
}
}
}
int res = 0;
int count = 0;
for (int i = 0; i < pasture.length; i++) {
if (!flag[i]) {
// 表示该位置可以放牛
count++;
} else {
// 该位置不可以放牛
res += (count + 1) / 2;
count = 0;
}
}
res += (count + 1) / 2;
return res >= n;
}
}
#数组计数##java##模拟#
