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  1. #include <stdio.h>
  2.  
  3. #define U_SIZE 11   // елементи 1..10
  4.  
  5. void printSet(int set[]) {
  6.     printf("{ ");
  7.     for (int i = 1; i <= 10; i++)
  8.         if (set[i]) printf("%d ", i);
  9.     printf("}\n");
  10. }
  11.  
  12. void intersect(int A[], int B[], int R[]) {
  13.     for (int i = 1; i <= 10; i++)
  14.         R[i] = A[i] && B[i];
  15. }
  16.  
  17. void uni(int A[], int B[], int R[]) {
  18.     for (int i = 1; i <= 10; i++)
  19.         R[i] = A[i] || B[i];
  20. }
  21.  
  22. void symdiff(int A[], int B[], int R[]) {
  23.     for (int i = 1; i <= 10; i++)
  24.         R[i] = (A[i] != B[i]);
  25. }
  26.  
  27. int main() {
  28.  
  29.     int A[U_SIZE] = {0};
  30.     int B[U_SIZE] = {0};
  31.     int C[U_SIZE] = {0};
  32.  
  33.     int a_vals[] = {1,2,3,5,6};
  34.     int b_vals[] = {2,3,4,8,9};
  35.     int c_vals[] = {3,4,5};
  36.  
  37.     for (int i = 0; i < 5; i++) A[a_vals[i]] = 1;
  38.     for (int i = 0; i < 5; i++) B[b_vals[i]] = 1;
  39.     for (int i = 0; i < 3; i++) C[c_vals[i]] = 1;
  40.  
  41.     int AC[U_SIZE] = {0};
  42.     int AC_sym_B[U_SIZE] = {0};
  43.     int BC[U_SIZE] = {0};
  44.     int result2[U_SIZE] = {0};
  45.  
  46.     // a) (A ∩ C) Δ B
  47.     intersect(A, C, AC);
  48.     symdiff(AC, B, AC_sym_B);
  49.  
  50.     // b) A ∪ (B ∩ C)
  51.     intersect(B, C, BC);
  52.     uni(A, BC, result2);
  53.  
  54.     printf("a) (A ∩ C) Δ B = ");
  55.     printSet(AC_sym_B);
  56.  
  57.     printf("b) A ∪ (B ∩ C) = ");
  58.     printSet(result2);
  59.  
  60.     return 0;
  61. }
  62.  
Success #stdin #stdout 0s 5308KB
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a) (A ∩ C) Δ B = { 2 4 5 8 9 }
b) A ∪ (B ∩ C) = { 1 2 3 4 5 6 }
https://ideone.com/zgmp0S
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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