'commit'

TangDou/KaoShi/蓝桥杯个数.cpp

@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+string s;
+int main() {
+    cin >> s;
+    for (int i = 0; i < s.size(); i++)
+        if (s[i] >= 'A' && s[i] <= 'Z') s[i] += 32;
+          
+    int cnt = 0;
+    for (int i = 0; i < s.size(); i++)
+        if (s.substr(i, 4) == "lqbs") cnt++;
+
+    cout << cnt << endl;
+    return 0;
+}