C++ primer 习题练习：9.13

#include <iostream>#include <vector>using namespace std;template<typename T1, typename T2>T1 findValue(T1 beg,T1 end, T2 val){while (beg!=end){if (*beg==val){break;} else{++beg;}}return beg;}int main_9_13(){int ia[]={0,1,2,3,4,5,6};vector<int> ivec(ia,ia+7);//读入要找的数据cout<<"Enter a integer:"<<endl;int ival;cin>>ival;//调用findInt函数查找ivalvector<int>::iterator it;it=findValue(ivec.begin(),ivec.end(),ival);//对于函数模板，编译器会自动推断if (it!=ivec.end()){cout<<ival<<" is a element of vector."<<endl;} else{cout<<ival<<" is not a element of vector."<<endl;}return 0;}