OJ Board

please tell why im getting WA.
this is my code

#include<cstdio>
#include<cstdlib>
#include<cstring>
using namespace std;

bool numb[10],bil[10],jwb;
char answer[20],mem[20];

long long bilgen(char inp[])
{
int len=strlen(inp);
long long ans=0;
for(int l=0;l<len;l++)
{
ans*=10;
ans+=inp[l]-'0 ...

please tell why im getting WA.
this is my code

#include<cstdio>
#include<cstdlib>
#include<cstring>
using namespace std;

bool numb[10],bil[10],jwb;
char answer[20],mem[20];

long long bilgen(char inp[])
{
int len=strlen(inp);
long long ans=0;
for(int l=0;l<len;l++)
{
ans*=10;
ans+=inp[l]-'0 ...