27.cpp

#include<iostream.h>
#include<conio.h>
#include<ctype.h>
void main()
{
	clrscr();
	cout<<"Converting Sentence to Capital Letters."<<endl;
	char str[100];
	cout<<"Enter the Sentence:";
	cin.getline(str,100);
	cout<<"Sentence after Convering:"<<endl;
	for(int i=0;str[i]!='\0';++i)
	{
		char a;
		a=toupper(str[i]);
		cout<<a;
	}
	getch();
}