OJ Board

why do I get Runtime error in problem 673? Please help.
[cpp]#include <stdio.h>
#include <iostream.h>
#include <stdlib.h>
#include <string.h>
char b[129];

void init(){
for(int i=0;i<129;i++)
b ='\0';
}
class stack{

public:
int index;
stack(){index=0;}
int data[129];
void push(int n){data ...

the problem was in the less function, i used strcmp instead and got AC.
thnx,
Joe

hi,
I tried to change all int's to long but still I got WA
here is my code.
[cpp]#include <iostream.h>
#include <math.h>

struct Bin{
long brown;
long green;
long clear;
};

Bin bin[3];

inline long Calculate_Cost(char a[]);
inline bool less(char a[], char r[]);
void Perm(char a[], int k, int n ...

my code worked for the sample input that was in the problem, but when I submitted it, i received a WA. Somebody Please help!
here is my code:
[cpp]#include <iostream.h>

struct Bin{
int brown;
int green;
int clear;
};

Bin bin[3];

inline int Calculate_Cost(char a[]);
inline bool less(char a ...

I got correct answer, thank you xbeanx

hi,
would anybody please tell me why do I get Time limit exceeded for the 3n+1 problem. here is my code:

[cpp]#include <iostream.h>
#include <fstream.h>

ifstream in;

void main(){
in.open("in.txt");
int i,j;
long max;
long x,y;
while(!in.eof())
{
in>>x>>y;
cout<<x<<' '<<y<<' ';
if (x>y ...