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package class_2022_08_1_week;
// 找到数组中的水王数
// 本题来自大厂刷题班23节
// 为了讲述下一个题,才重新讲述这个题
// 比较简单
public class Code02_WaterKing {
public static int waterKing(int[] arr) {
int cand = 0;
int hp = 0;
for (int i = 0; i < arr.length; i++) {
if (hp == 0) {
cand = arr[i];
hp = 1;
} else if (arr[i] == cand) {
hp++;
} else {
hp--;
}
}
if (hp == 0) {
return -1;
}
hp = 0;
for (int i = 0; i < arr.length; i++) {
if (arr[i] == cand) {
hp++;
}
}
return hp > arr.length / 2 ? cand : -1;
}
}