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Thanks...I got AC.

whats wrong in my cod ..i am getting wrong answer

#include<stdio.h>
#include<stdio.h>
#include<math.h>
long BigMod(long b,long p,long m);
int main()
{
long B,P,M,T,ans;
while(scanf("%ld%ld%ld",&B,&P,&M)!=EOF)
{
ans=BigMod(B,P,M);
printf("\n\n");
printf("%ld",ans);
}
return 0;
}
long BigMod ...

#include<stdio.h>
int main()
{
long long int a[2000005],b,l,c,i,j,k,n;
while(scanf("%lld",&n)==1)
{
if(n==0)
break;
for(i=0;i<n;i++)
{
scanf("%lld",&a );
}
for(j=0;j<n-1;j++)
{
for(k=0;k<n-j-1;k++)
{
if(a[k]>=a[k+1])
{
c=a[k];
a[k]=a[k+1];
a[k+1]=c;
}
}
}
for(l=0;l<n;l ...

why it gives wrong answer


#include<stdio.h>
int main()
{
int a,b,c,d,e,f,g,i,t,sum,total;
scanf("%d",&t);
for(i=1;i<=t;i++)
{
scanf("%d%d%d%d%d%d%d",&a,&b,&c,&d,&e,&f,&g);
if(e<f&&e<g||e==f&&f==g)
sum=(f+g)/2;
else
{
if(f<e&&f<g||e==f&&f==g)
sum=(e+g)/2;
else
{
if(g<e&&g<f||e==f&&f==g ...

#include<stdio.h>
int main()
{
int a,b,c,d,e,f,g,h,k,dif,T,i,j;
char z;
scanf("%d",&T);
for(i=1;i<=T;i++)
{
scanf("%d%d%c%d",&a,&b,&z,&c);
g=b*60+c;
for(j=1;j<=a;j++)
{
scanf("%d%c%d%d",&d,&z,&e,&f);
if(j==a)
{
h=d*60+e;
dif=h-g+f;
if(d<=b)
{
k=24*60-g;
dif=d*60+e+k+f;
}
printf("Case %d: %d\n",i,dif ...