88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
// os exec libraries
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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// std C libraries
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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// bubble sort
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void bubble(char *arr[], int n) {
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int i,j;
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for (i = 0; i < n - 1; i++) {
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for (j = 0; j < n - i - 1; j++) {
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if (strcmp(arr[j], arr[j + 1]) > 0) {
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char *temp = arr[j];
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arr[j] = arr[j + 1];
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arr[j + 1] = temp;
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}
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}
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}
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for(i=0;i<n;i++){
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printf("%s ",arr[i]);
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}
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}
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void selection(char *arr[], int n) {
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int i,j;
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for (i = 0; i < n - 1; i++) {
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int min_idx = i;
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for (j = i + 1; j < n; j++) {
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if (strcmp(arr[j], arr[min_idx]) < 0) {
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min_idx = j;
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}
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}
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char *temp = arr[min_idx];
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arr[min_idx] = arr[i];
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arr[i] = temp;
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}
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for(i=0;i<n;i++){
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printf("%s ",arr[i]);
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}
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}
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int main() {
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int N,i;
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printf("Enter the number of strings:\n ");
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scanf("%d", &N);
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char **strings = (char **)malloc(N * sizeof(char *));
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printf("Enter %d strings:\n", N);
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for (i = 0; i < N; i++) {
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strings[i] = (char *)malloc(100 * sizeof(char));
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printf("String %d: ", i + 1);
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scanf("%s", strings[i]);
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}
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pid_t pid1;
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pid_t pid2;
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int status;
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pid1=fork();
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if (pid1 == 0) {
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printf("\nFirst child: Bubble sort\n");
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bubble(strings,N);
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exit(0);
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} else if (pid1 > 0) {
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pid2 = fork();
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if (pid2 == 0) {
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printf("\nSecond child: Selection sort\n");
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selection(strings,N);
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exit(0);
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} else if (pid2 > 0) {
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wait(&status);
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printf("\n Parent: Child process terminated\n");
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} else {
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printf("The system encountered an error.");
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}
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} else {
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printf("Error");
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}
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}
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