draft

programs/p312/info.json

@@ -1,10 +1,10 @@
 {
-  "language": "",
-  "name": "",
-  "description": "",
+  "language": "C",
+  "name": "演習 3-12",
+  "description": "教科書のList 3-4をSwitch文で書き換えたプログラム。",
   "output": {
-    "type": "screenshot | text",
-    "content": ""
+    "type": "screenshot",
+    "content": "./assets/p312.png"
   },
   "note": ""
 }

programs/p312/main.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input Integer: ");
+    scanf("%d", &n);
+
+    switch (n % 2) {
+    	case 0:
+	    puts("The number is even.");
+	    break;
+	case 1:
+	    puts("The number is odd.");
+	    break;
+	default:
+	    puts("Unknown Error");
+    }
+
+    return 0;
+}