Manipulasi String :-P

Input:

alant junedi ds

Output:

ALANT JUNEDI DS

alant junedi ds

AlAnT JuNeDi dS

aLaNt jUnEdI Ds

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#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<ctype.h>

void main() {
char kalimat[100];
int i;
clrscr();
gets(kalimat);
printf(“%s\n”, strupr(kalimat));
printf(“%s\n”, strlwr(kalimat));
for(i=0; i<strlen(kalimat); i++) {
if(i%2!=0 && kalimat[i]!=NULL) printf(“%c”, tolower(kalimat[i]));
else printf(“%c”, toupper(kalimat[i]));
}
printf(“\n”);
for(i=0; i<strlen(kalimat); i++) {
if(i%2==0) printf(“%c”, tolower(kalimat[i]));
else printf(“%c”, toupper(kalimat[i]));
}
printf(“\n”);
getch();
}