// z6.1-vector-insert.cc
//
#include <iostream>
#include <vector>
using namespace std;

int main() {
   vector<int> tempValues; // Dummy vector to demo vector ops
   int vectorSize;         // User defined size
   int numOps;             // Number of operations to perform
   int i;                  // Loop index
   
   cout << "Enter initial vector size: ";
   cin >> vectorSize;
   
   cout << "Enter number of operations: ";
   cin >> numOps;
   
   cout << "  Resizing vector..." << flush;
   
   tempValues.resize(vectorSize);
   
   cout << "done." << endl;
   cout << "  Writing to each element..." << flush;
   
   for (i = 0; i < vectorSize; ++i) {
      tempValues.at(i) = 777; // Any value
   }
   
   cout << "done." << endl;
   cout << "  Doing " << numOps << " pushbacks..." << flush;
   
   for (i = 0; i < numOps; ++i) {
      tempValues.push_back(888); // Any value
   }
   
   cout << "done." << endl;
   cout << "  Doing " << numOps << " inserts..." << flush;
   
   for (i = 0; i < numOps; ++i) {
      tempValues.insert(tempValues.begin() + 0, 444);
   }
   cout << "done." << endl;
   cout << "  Doing " << numOps << " erases..." << flush;
   
   for (i = 0; i < numOps; ++i) {
      tempValues.erase(tempValues.begin() + 0);
   }
   
   cout << "done." << endl;
   
   return 0;
}