made simple guess with lives

c/test.c

@@ -1,5 +1,18 @@
 #include <stdio.h>
+#include <wchar.h>
 int main(void) {
-    printf("Hello, World!\n");
-    return 0;
+    int lives = 7;
+    int questions = 20;
+    for (int i = 0;i < questions; i++) {
+        printf("You have %d lives left\n", lives);
+        printf("Question %d: What is 2 + 2?\n", i + 1);
+        int answer;
+        scanf("%d", &answer);
+        if (answer == 4) {
+            printf("Correct!\n");
+        } else {
+            printf("Incorrect!\n");
+            lives--;
+        }
+    }
 }