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Generate and display sets A - B and B - A
A and B are both vectors with user-defined sizes
A -- allele values
B -- user defined
for example: vector A= (10),(5),(7),(8),(12)
vector B= (10),(8)
A-B
New Vector A= (5),(7),(12)
Code I thought ***
int pertinencia(int vetor[], int tam, int ele) {
  int i, pq = 0;
  for (i = 0; i < tam; i++) {
    if (vetor[i] == ele) {
      return 1; //Este elemento pertence a o vetor
    } else {
      pq++;
    }
  }
  if (pq == tam) {
    return 0; //Este elemento nao pertence a o vetor
  }
}
int main() {
  int a[] = {
    10,
    5,
    7,
    8,
    12
  };
  int b[] = {
    10,
    8
  }, c[12];
  int i;
  for (i = 0; i < 2; i++) {
    if (!pertinencia(a, 5, b[i])) {
      printf("%d ", a[i]);
    }
  }
}
Thanks!!! Very good the code, only had to adapt it pq the values for vector A, are random values between -50 and 50. great code!!
– Iude Meneses
For nothing, any doubts post again
– rafael marques