http://discuss.codechef.com/problems/ERROR

include<stdio.h>

include<string.h>

int main() { int i,t; scanf("%d",&t); for(i=1;i<=t;i++) { int len,j,k,l,flag=0,count1=0,count2=0,count3=0;; char num1[100001]; char num2[3]; char sample1[3]={'1', '0', '1'}; char sample2[3]={'0', '1', '0'}; scanf("%s", num1); len=strlen(num1); for(j=0;j<len-2;j++) {

        for(k=j;k<=j+2;k++)
        {
            num2[count1]=num1[k];
            count1++;
        }
        for(l=0;l<3;l++)
        {
            if(num2[l]==sample1[l])
            count2+=1;
        }
        for(l=0;l<3;l++)
        {
            if(num2[l]==sample2[l])
            count3+=1;
        }
        if(count2==3)
        {
            flag=1;
            break;
        }
        else if(count2==3)
        {
            flag=2;
            break;
        }
        count1=0,count2=0,count3=0;
    }
    if(flag==1 || flag==2)
    printf("GOOD");
    else
    printf("BAD");
    printf("\n");
}

return 0; }