'commit'

TangDou/XiTi/1382.cpp

@@ -0,0 +1,26 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+struct Node {
+    int number; //值
+    int cnt;    //次数
+};
+
+int main() {
+    int a, b;
+    cin >> a >> b;
+    queue<Node> q;
+    q.push({a, 0});
+    while (q.size()) {
+        auto t = q.front();
+        q.pop();
+        if (t.number == b) {
+            cout << t.cnt << endl;
+            break;
+        }
+        q.push({t.number + 1, t.cnt + 1});
+        q.push({t.number * 2, t.cnt + 1});
+    }
+    return 0;
+}