#include <iostream>
using namespace std;
#define maxSize 100
#define Elemtype int
#define initSet -1

typedef struct {
    Elemtype a[maxSize];
}mergeAndFind;

// 初始化并查集
void initMergeAndFind(mergeAndFind &T) {
    for(int i = 0; i < maxSize; i ++) {
        T.a[i] = initSet;
    }
}

// 找到其中一个节点的根节点
int findMergeAndFind(mergeAndFind T, int e) {
    while(T.a[e] != initSet) {
        e = T.a[e];
    }
    return e;
}

// 合并两个结点所在的集合
void mergeMergeAndFind(mergeAndFind &T, int a, int b) {
    int roota = findMergeAndFind(T, a);
    int rootb = findMergeAndFind(T, b);
    if(roota == rootb) return ;
    else T.a[rootb] = roota;
}

int main() {
    return 0;
}