STL_Sequence_Vector

#include <iostream>#include <vector>#include <string>#include <cstdlib>//return 数值不因机器环境而变using namespace std;vector<int>::iterator findint(vector<int>::iterator beg,                                              vector<int>::iterator end, int ival){while (beg != end){if (*beg == ival){break;} else{++beg;}}return beg;}void DemonFunction(char * Demon){cout << "************************************************************ \n"<< "This program is an implemation of  sequence vector! \n"<<  Demon << "\n"<< "Function:Find a integer in a vector and return its iterator.\n"<< "Edited by:John tian\n"<< "Date: 12/10/2013\n"<< "************************************************************ "<< endl;}int main(){char *Demon = "Vector Demon";DemonFunction(Demon);int ia[] = { 0, 1, 2, 3, 4, 5, 6 };vector<int> ivec(ia, ia + 7);//read data for findingcout << "Enter a integer:" << endl;int ival;cin >> ival;//findint function vector<int>::iterator it;it = findint(ivec.begin(), ivec.end(), ival);if (it != ivec.end()){cout << ival << " is a element of the vector." << endl;} else{cout << ival << " isn't a element of the vector." << endl;}return EXIT_SUCCESS;}