word reversal

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#include "iostream"
#include "stddef.h"
#include <math.h>
using namespace std;


int main( )
{
const int n = 100;
char array[n] ;
cout<<"Enter the string:"<<endl;
cin.getline(array,100, '\n');
int length = 0;
length = strlen(array);

int last = 0;
for (int i = 0 ; i <=length ; i++){

if(array[i]== ' ' || array[i] == 0){

for (int j = i-1; j>= last; j--)
cout<<array[j];
cout<<endl;
last = i+1;
}
}

return 0;
}