'commit'

TangDou/LanQiaoBei/LanQiao14STEMA202210/TangDou_3.cpp

@@ -0,0 +1,19 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int n;
+
+int main() {
+    cin >> n;
+    double cnt = 0.2;
+    int sum = 0;
+    for (int i = 1;; i++) {
+        if (cnt > n) {
+            printf("%d", sum);
+            break;
+        }
+        cnt *= 2;
+        sum++;
+    }
+    return 0;
+}