BullsAndCows
BullsAndCows.java 源码
package datastructure.array.leetcode;
/**
* @author roseduan
* @time 2020/9/12 11:23 下午
* @description 猜数字游戏
*/
public class BullsAndCows {
public String getHint(String secret, String guess) {
int A = 0, B = 0;
int[] numbers = new int[10];
for (int i = 0; i < secret.length(); i++) {
if (secret.charAt(i) == guess.charAt(i)) {
A++;
} else {
if (numbers[secret.charAt(i)-'0']++ < 0) {
B++;
}
if (numbers[guess.charAt(i)-'0']-- > 0) {
B++;
}
}
}
return A + "A" + B + "B";
}
}
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