OJ Board

this is my code and i cant find what the problem is
plz help me
#include<stdio.h>
#include<string.h>

int main (){

char str[100];
char seps[6]=" \t\0\n";
char *t,*cross;
char word[1000][20];
char temp[2][20];
int cnt_i[2],cnt_j[2];
int i,j,k,maxword,n,len;
int s_len[4];
char board[30][30 ...