PAT1009

PAT1009

#include <stdio.h>
#define MAX 4000


int main () {

    int fptr,rptr,sum;
    int i=0;

    char st[MAX];

    sum=0;
    fptr=rptr=0;

    gets(st);

 //   if (st[0]=='\0') return 1;

    while ( st[i]!='\0' ) {

        sum++;
//        printf ("i: %d --- account: %d ----- %c\n", i ,sum,st[i]);
        i++;
    }

// after the loop i=sum-1;
    rptr=i-1;

    while(i>=0){

        if (st[i]==' ') {
            fptr=i+1;
            for (;fptr<=rptr;fptr++) {
                printf ("%c",st[fptr]);
            }
            printf (" ");
            i--;
            rptr=i;

        }else {
            i--;
        }
    }

    for (i=0;i<=rptr;i++){
        printf ("%c",st[i]);
    }

    return 0;
}