《c++primer（第四版）》习题11.21

#include <iostream>#include <list>#include <algorithm>#include <vector>using namespace std;void fun_1121(){vector<int> a;a.push_back(0);a.push_back(1);a.push_back(2);a.push_back(0);a.push_back(3);vector<int>::reverse_iterator last = find(a.rbegin(), a.rend(), 0);cout<<*last<<endl;cout<<a.rend() - last;}