下面是我的代码：

#include <algorithm>
void f() {
    int a[] = {1, 2, 3, 4};
    int b[] = {1, 2, 100, 101};
    // I want to do something like this:
    // int* found = compare(a[0], a[3], b[0]);
    // in order to get a pointer to a[2]
}

字符串
也许我在手册上漏掉了这个算法。