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the code seems fine to me..but getting wa..

#include<stdio.h>

int main(){


int a,b,i,sum;


printf("PERFECTION OUTPUT\n");
while(scanf("%d",&a)==1){

sum=0;


if(a==0) {printf("END OF OUTPUT");break;}

else{

for(i=1;i<=a/2;i++){

b=a%i;
if(b==0) sum=sum+i;

}
if(sum==a) printf ...

getting wa...why??can anyone plz help me..


#include<stdio.h>

int main(){
int a,b,i,j,k,sum,c;

while(scanf("%d",&k)==1){
c=0;
for(i=0;i<k;i++){
scanf("%d %d",&a,&b);
sum=0; c++;
for(j=a;j<=b;j++){

if(j%2==1) sum=sum+j;
else continue;

}
printf("case %d:%d\n",c,sum);
}


}
return 0;
}

i m getting wa..y??can anyone plz help me....

#include<stdio.h>

int main(){

int x[100],n,sum,a,b,i,j=1;

while(scanf("%d",&n)==1)
{sum=0;
b=0;
if(n!=0 && n>=1 && n<=50)
{
for(i=0;i<n;i++)
{
scanf("%d",&x );
if(x >=1 && x <=100)
{
sum=sum+x ;
}
else break;
}
if(sum%n==0)
{
a=sum/n ...

m a beginner in acm..this is the first problem i m trying to solve ..nd having a lot of difficulties in understanding..watz wrong in my code..can anyone help me??
here's my code:



#include<stdio.h>


void main()
{
long long int i,j;

while(scanf("%lld %lld",&i,&j)==2)
{
if(i<j) printf("%lld\n ...