OJ Board

i am newbie
can you help me to solve my problem ?
please

#include <stdio.h>

void swap( int *a, int *b );
void bubble1( int n );
void bubble2( int n );
void search( int n1, int n2 );

int e[1000];
int a[500000];
int b[500000];
int x[500000];

int main( void )
{
int number;
int count;
int i,j ...