Problem Type : Super Easy
#include<stdio.h>
int main ()
{
int i,k,n,sum,a,b,t;
scanf("%d",&t);
//if(t>1)
for(i=1; i<=t; i++)
{
sum=0;
scanf("%d%d",&a,&b);
{
if(a%2==0)
{
a+=1;
}
for(k=a; k<=b; k=k+2)
{
sum= sum+k;
}
}
printf("Case %d: %d\n",i,sum);
}
return 0;
}
#include<stdio.h>
int main ()
{
int i,k,n,sum,a,b,t;
scanf("%d",&t);
//if(t>1)
for(i=1; i<=t; i++)
{
sum=0;
scanf("%d%d",&a,&b);
{
if(a%2==0)
{
a+=1;
}
for(k=a; k<=b; k=k+2)
{
sum= sum+k;
}
}
printf("Case %d: %d\n",i,sum);
}
return 0;
}
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