1 files changed, 33 insertions, 0 deletions
diff --git a/src/c/exercise1/count.c b/src/c/exercise1/count.c
new file mode 100644
index 0000000..385fb71
--- /dev/null
+++ b/src/c/exercise1/count.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+int
+main()
+{
+    
+    int c, i, nwhite, nother;
+    int ndigit[10];
+
+    nwhite = nother = 0;
+
+    for (i = 0; i < 10; ++i)
+        ndigit[i] = 0;
+    
+    while ((c = getchar()) != EOF)
+        if (c >= '0' && c <= '9')
+        ++ndigit[c-'0'];
+    else if (c == ' ' || c == '\n' || c == '\t')
+        ++nwhite;
+    else
+        ++nother;
+    
+    printf("digits =");
+    
+    for (i = 0; i < 10; ++i)
+        printf(" %d", ndigit[i]);
+
+    printf(", white space = %d, other = %d\n",
+        nwhite, nother);
+
+    return 0;
+}
+