Why is this: ———-fox visible? :/ what should i decrement in order to get that array in place? Is this how u designed the program or its d garbage value which fits into the 2d array? plz help

#include
#include
#include

#include
using namespace std;

int main()
{

string str;

vector a;
vector::iterator it;

char word[40];

cout<<"Please enter something :"<<endl;

gets(word);

int pos;

int length = strlen(word);

// copy the sentence into a vector
for(int i=0;i<length;i++)
{
str.push_back(word[i]);

if(word[i] == ' ' || i == length – 1 )
{
a.push_back(str);
str.clear();
continue;
}

}

cout<<"Please enter another string: "<>str;

cout<<"Enter the position to replace the word:"<>pos;

it = a.begin();

it = a.erase(it+pos);

it = a.begin();

a.insert(it+pos,str);

for(it = a.begin();it <a.end();it++)
{
cout<<*it<<" ";
}

cout<<endl;

system("pause");

}

A VERY EASY CODE…