OJ Board

It seems very easy, but I don't know what the bug in my program.
Who can tell me the bug or some notes?

[c]
#include <stdio.h>

#define MAXSIZE 10000

int N,Q,ar[MAXSIZE];

void quick(int left,int right){
int s,t,i,j,m;
if(left<right){
s=ar[(left+right)/2];
i=left-1; j=right+1;
while(1 ...

babor wrote:It may be for negative co-ordinate .

I found some bug, thx for you.

That's my code, but why I got wa?
[c]
#include <stdio.h>

#define swap(a,b) {long t; t=a;a=b;b=t; }
char s[1000002];
void main(void){
long times,len;
long n,start,end,i,j;
char c;

for(times=1;;times++){
gets(s);
len=strlen(s);
s[0]-='0';
for(i=1;i<len;i++) s =s -'0'+s[i-1];

printf("Case ...

[c]
#include <stdio.h>
#include <string.h>

#define INT_MAX 2147483647

void main(void){
long double n1,n2;
char ch[4];

while(scanf("%lf",&n1)==1){
scanf("%s%lf",&ch,&n2);
if(n1>INT_MAX||n2>INT_MAX){
if(n1>INT_MAX) printf("first number too big\n");
if(n2>INT_MAX) printf("second number too ...