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github16cp · github16cp · commit 014dc94caefd · 2019-09-19T21:36:42.000+08:00
diff --git a/刷题/秋招笔试.md b/刷题/秋招笔试.md
@@ -0,0 +1,64 @@
+## lambda函数
+```C++
+#include <iostream>
+#include <vector>
+#include <algorithm>
+#include <functional>
+using namespace std;
+
+int greater1(int firstVal, int secondVal) {
+	return firstVal > secondVal ? true : false;
+} //greater是保留字
+
+void findSpecificValue(const std::vector<int>& vec, int specificValue) {
+	auto iter = vec.begin();
+	iter = find_if(iter, vec.end(), std::bind(greater1, std::placeholders::_1, specificValue));
+	if (iter != vec.end()) {
+		cout << "greater than" << specificValue << ":" << *iter << endl;
+	}
+}
+
+int main() {
+	vector<int> vec{ 1,2,3,4,5,6,7,8,9,10 };
+	findSpecificValue(vec, 8); 
+	system("pause");
+	return 0;
+}
+
+
+```
+修改为`lambda`形式，只能输出`9`
+```C++
+#include <iostream>
+#include <vector>
+#include <algorithm>
+#include <functional>
+using namespace std;
+
+bool greater(int firstVal, int secondVal) {
+	return firstVal > secondVal ? true : false;
+}
+
+void findSpecificValue(const std::vector<int>& vec, int specificValue) {
+	auto iter = vec.begin();
+	while (iter != vec.end()) {
+		iter = find_if(iter, vec.end(), [specificValue](const int &a) {return a > specificValue; });
+		if (iter != vec.end()) {
+			cout << "greater than" << specificValue << ":" << *iter << endl;
+		}
+		iter++;
+	}
+}
+
+int main() {
+	vector<int> vec{ 1,2,3,4,5,6,7,8,9,10 };
+	findSpecificValue(vec, 8);
+	system("pause");
+	return 0;
+}
+```
+
+## String
+```C++
+
+```
