chore: update

Ivanwangcy · Nov 7, 2024 · 69f2fe8 · 69f2fe8
1 parent 0d9478b
commit 69f2fe8
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diff --git a/cpp/rand b/cpp/rand
diff --git a/cpp/rand.cpp b/cpp/rand.cpp
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+
+void mini_random() {
+    int current = 1;
+    int step = 2;
+    for (int i = 0; i < 100; i++) {
+        printf("%d\n", current);
+        current += step;
+        if (current > 100) {
+            break;
+        }
+        if (step == 1 || step == 3) {
+            step += 1;
+        } else if (step == 2 || step == 4) {
+            step -= 1;
+        }
+    }
+}
+
+int main(int argc, char const *argv[])
+{
+  printf("%d, ", rand()% 1000);
+  srand(time(0));
+  printf("%d\n", rand()% 1000);
+  mini_random();
+  return 0;
+}