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Lab4/Bonus task.c

+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+int main()
+{
+
+    int i, j, a;
+    char name[10][40]; // name string
+
+    printf("please enter ten names:\n");
+
+    for (i = 0; i < 10; i++)
+    {
+        scanf("%s", name[i]);
+
+        for (j = 0; j < 40; j++)
+        {
+            name[i][j] = tolower(name[i][j]);
+        }
+    }
+
+    for (i = 0; i < 10; i++)
+    {
+        for (j = i + 1; j < 10; j++)
+        {
+            a = strcmp(name[i], name[j]);
+            if (a == 0)
+            {
+                printf("Duplicate detected");
+                return 0;
+            }
+        }
+    }
+    printf("No duplicate");
+    return 0;
+}