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reverseString.cpp
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reverseString.cpp
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#include <iostream>
#include <cassert>
#include <string>
#include <cstring>
using namespace std;
void reverse( char *start, char *end )
{
while( start < end )
{
char c = *start;
*start++ = *end;
*end-- = c;
}
}
char *reverse_char( char *start )
{
char *end = start;
//Bit mask 1100 0000 1000 0000
//If top 2 bits of the value = 10
cout<<end<<" "<<start<<endl;
while( (end[1] & 0xC0) == 0x80 ) end++;
//reverse( start, end );
while( start < end )
{
char c = *start;
cout<<c<<endl;
*start++ = *end;
*end-- = c;
}
return( end+1 );
}
void reverse_string( char *string )
{
char *end = string;
while( *end ) end = reverse_char( end );
reverse( string, end-1 );
}
void myReverse(char s[]){
int i = 0, j = 0;
while (s[i]) {
if ( (s[i] & 0xc0) != 0x80) j++;
i++;
}
i = 0;
cout<<j<<i<<endl;
int c;
while (i<j) {
cout<<i<<" "<<j<<endl;
if ((s[i] & 0xc0) == 0x80) {
i++ ;
continue;
}
if ((s[j] & 0xc0) == 0x80) {
j-- ;
continue;
}
cout<<"swap"<<endl;
c = s[i];
s[i] = s[j];
s[j] = c;
i++; j--;
}
}
int main() {
char str[] = "உஈஇஆஅ";
//char str[] = "abc";
//reverse_string(str);
//char str[] = "abc";
myReverse(str);
cout<<"str = "<<str<<endl;
float f = 1.234567890123456789;
cout<<f<<endl;
//assert(string(str).compare("அஆஇஈஉ")==0);
//"handles unicode characters";
}