Quicksort and file rearrange

Lab1/insertion.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+// Capture the pipe of array contents, first number is the size
+int main() {
+  int s;
+  int res = scanf("%d", &s);
+  if (res != 1) {
+    fprintf(stderr, "Error reading size\n");
+    return 1;
+  }
+
+  int *array = malloc(sizeof(int) * s);
+  for (int i = 0; i < s; i++) {
+    res = scanf("%d", &array[i]);
+    if (res != 1) {
+      fprintf(stderr, "Error reading array element\n");
+      free(array);
+      return 1;
+    }
+  }
+
+  for (int j = 0; j < s; j++) {
+    int key = array[j];
+    int i = j - 1;
+    while (i >= 0 && array[i] > key) {
+      array[i + 1] = array[i];
+      i -= 1;
+    }
+    array[i + 1] = key;
+  }
+
+  free(array);
+  return 0;
+}