线性查找最大元素 max_element

B.cpp

@@ -0,0 +1,19 @@
+#include<iostream>
+#include<string>
+#include<algorithm>
+
+using namespace std;
+
+int main() {
+    for (string s; cin >> s;) {
+        char c_max = *max_element(s.begin(), s.end());
+        for (char c : s) {
+            cout << c;
+            if (c == c_max) {
+                cout << "(max)";
+            }
+        }
+        cout << endl;
+    }
+    return 0;
+}