Add letter-grade.c

letter-grade.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+int main() {
+    int input;
+    scanf("%i", &input);
+    printf("Your input was: %i\n", input);
+
+    char letter;
+    if ((input/10) >= 9) {
+        letter = 'A';
+    } else if ((input/10) >= 8) {
+        letter = 'B';
+    } else if ((input/10) >= 7) {
+        letter = 'C';
+    } else if ((input/10) >= 6) {
+        letter = 'D';
+    } else {
+        letter = 'F';
+    }
+
+    printf("Your letter grade is %c\n", letter);
+    return 0;
+}