任务描述
编写程序实现两个集 合的并、交，相对补，对称差的运算并判断两个集合是否相等?
功能要求
①输入集合A与集合B的元素。
②输出集合A与B的并、交、相对补、差、对称差运算。
③输出集合A与B是否相等的断定结果。
④输出集合A与B的幂集。
//这个程序的幂集计算有错，做了修改，在另外一篇文章
/lu_1u/article/details/73864012
#include<stdio.h>#include<stdlib.h>int unionSets(int *A, int *B, int lenA, int lenB)//并集{int i, j;int flag, index = lenB;int *buffer = (int*)malloc(sizeof(int) * (lenA + lenB));for (i = 0; i < lenB; i++) {buffer[i] = B[i];}for (i = 0; i < lenA; i++) {flag = 1;for (j = 0; j < lenB; j++) {if (A[i] == B[j]) {flag = 0;}}if (flag) {buffer[index] = A[i];index++;}}printf("并集:{ ");for (i = 0; i < index; i++) {printf("%d ", buffer[i]);}printf("}\n");}int intersection(int *A, int *B, int lenA, int lenB)//交集{int i, j;int flag, index = 0, len = lenA > lenB ? lenA : lenB;int *buffer = (int*)malloc(sizeof(int) * len);for (i = 0; i < lenA; i++) {flag = 0;for (j = 0; j < lenB; j++) {if (A[i] == B[j]) {flag = 1;}}for (j = 0; j < index; j++) {if (A[i] == buffer[j]) {flag = 0;}}if (flag) {buffer[index] = A[i];index++;}}printf("交集:{ ");for (i = 0; i < index; i++) {printf("%d ", buffer[i]);}printf("}\n");}int complementary(int *A, int *B, int lenA, int lenB)//相对补{int i, j;int flag, index = 0;int *buffer = (int*)malloc(sizeof(int)*lenA);for (i = 0; i < lenA; i++) {flag = 1;for (j = 0; j < lenB; j++) {if (A[i] == B[j]) {flag = 0;}}if (flag) {buffer[index] = A[i];index++;}}printf("相对补:{ ");for (i = 0; i < index; i++) {printf("%d ", buffer[i]);}printf("}\n");}int SymDifference(int *A, int *B, int lenA, int lenB)//对称差{int i, j;int flag, index = 0;int *buffer = (int*)malloc(sizeof(int)*lenA);for (i = 0; i < lenA; i++) {flag = 1;for (j = 0; j < lenB; j++) {if (A[i] == B[j]) {flag = 0;}}if (flag) {buffer[index] = A[i];index++;}}for (i = 0; i < lenB; i++) {flag = 1;for (j = 0; j < lenA; j++) {if (B[i] == A[j]) {flag = 0;}}if (flag) {buffer[index] = B[i];index++;}}printf("对称差:{ ");for (i = 0; i < index; i++) {printf("%d ", buffer[i]);}printf("}\n");}int equalSets(int *A, int *B, int lenA, int lenB)//集合相等{int top = 0, i, j, temp;int *buffer = (int*)malloc(sizeof(int) * lenA);if (lenA != lenB) {printf("\nA与B相等\n");return 0;}for (i = 0; i < lenA; i++) {for (j = i + 1; j < lenA; j++) {if (A[i] < A[j]) {temp = A[i];A[i] = A[j];A[j] = temp;}}}for (i = 0; i < lenB; i++) {for (j = i + 1; j < lenB; j++) {if (B[i] < B[j]) {temp = B[i];B[i] = B[j];B[j] = temp;}}}for (i = 0; i < lenA; i++) {if (A[i] != B[i]) {printf("\nA与B不相等\n");return 0;}}printf("相等\n");}int powerSets(int *A, int lenA)//幂集{int i, j;int tag, index;printf("幂集:{ { 空集 }, ");for (tag = 1; tag <= lenA; tag++) {for (index = 0; index < lenA - tag + 1; index++) {printf("{ ");for (i = index,j=0; j < tag; i++,j++) {printf("%d ", A[i]);}printf("},");}}printf("}\n");}int main(){int *A, *B;int lenA, lenB;int i;printf("输入A,B的元素个数: ");scanf("%d%d", &lenA, &lenB);A = (int*)malloc(sizeof(int) * lenA);B = (int*)malloc(sizeof(int) * lenB);printf("输入A的元素\n");for (i = 0; i < lenA; i++) {scanf("%d", &A[i]);}getchar();printf("输入B的元素\n");for (i = 0; i < lenB; i++) {scanf("%d", &B[i]);}equalSets(A, B, lenA, lenB);unionSets(A, B, lenA, lenB);intersection(A, B, lenA, lenB);printf("A对B的");complementary(A, B, lenA, lenB);printf("B对A的");complementary(B, A, lenA, lenB);SymDifference(A, B, lenA, lenB);printf("A的");powerSets(A, lenA);printf("B的");powerSets(B, lenB);system("pause");return 0;}
