1: //fill1a.cpp 3: #include <iostream> 4: #include <vector> 5: #include <algorithm> 6: using namespace std; 8: int main() 9: { 10: cout << "\nThis program illustrates the use of the STL fill() " 11: "algorithm to set all\nvalues in a range of values within " 12: "a vector of integers to a given value."; 13: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n'); 15: int a[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; 16: vector<int> v(a, a+10); 17: cout << "\nHere are the contents of v:\n"; 18: for (vector<int>::size_type i=0; i<v.size(); i++) 19: cout << v.at(i) << " "; 20: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n'); 22: cout << "\nNow we set the 3rd to the 7th values of v to 20."; 23: fill(v.begin()+2, v.begin()+7, 20); 24: cout << "\nHere are the revised contents of v:\n"; 25: for (vector<int>::size_type i=0; i<v.size(); i++) 26: cout << v.at(i) << " "; 27: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n'); 29: cout << "\nNow we set all values from the 6th on to -1."; 30: fill(v.begin()+5, v.end(), -1); 31: cout << "\nHere are the revised contents of v:\n"; 32: for (vector<int>::size_type i=0; i<v.size(); i++) 33: cout << v.at(i) << " "; 34: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n'); 36: cout << "\nFinally, we initialize the entire vector to 0."; 37: fill(v.begin(), v.end(), 0); 38: cout << "\nHere are the revised contents of v:\n"; 39: for (vector<int>::size_type i=0; i<v.size(); i++) 40: cout << v.at(i) << " "; 41: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n'); 42: }