Not working 2023201.

2023201/main.cpp

@@ -0,0 +1,29 @@
+#include <stdio.h>
+
+int main() {
+    int n = 0;
+    u_int64_t save = 0;
+    int cur_num = 0;
+    int digit_num = 0;
+    int result = 0;
+    scanf("%d", &n);
+    for (int count = 0; count < 3 * n - 1; count++) {
+        scanf("%d", &cur_num);
+        for (int i = 0; i < 32; i++) {
+            if (cur_num >> i & 1) {
+                digit_num = save >> (i * 2) & 3;
+                digit_num = (digit_num + 1) % 3;
+                save = save & (~(3 << (i * 2))) | (digit_num << (i * 2));
+            }
+        }
+    }
+
+    for (int i = 0; i < 32; i++) {
+        if (save >> (i * 2) & 3) {
+            result |= 1 << i;
+        }
+    }
+
+    printf("%d", result);
+    return 0;
+}