C++primer第5版课后练习习题答案 9.4

#include <iostream>#include <vector>#include <iterator>using namespace std;bool getval( vector<int>::iterator& ibegin,vector<int>::iterator& iend, int val){while (ibegin!=iend){if(*ibegin==val)return true;++ibegin;}return false;}int main(){vector <int> vint={12,32,434,5,45,45,5,6,6,567};int val=434;auto i=vint.begin();auto j=vint.end();if (getval(i,j,val))cout<<"get it:"<<*i<<endl;elsecout<<"not found :"<<val<<endl;system("pause");return 0;}