ALETHIO problem query

#include <cstdio>
#include <cctype>
#include <cstring>
#include <cstdlib>
using namespace std;
int main() {
char s[1001];

scanf("%s", s);
int length = strlen(s);
int maxnum = 0;

if(length==1) {
    int tmpval = s[0]-'0';
    if(tmpval>=0 && tmpval<=9) {
        printf("%d\n",tmpval);
    } else {
        printf("9\n");
    }
    return 0;
}
for(int i=0;i<length;i++) {
    int k=0; char temp[1001];   int count=0;
    for(int j=i;j<length;j++) {
        int val = s[j]-'0';
        if(val>=0 && val<=9) {
            temp[k] = s[j];
            k++;
        } else {
            count++;
            if(count==2) {
                int tmp = atoi(temp);
                if(maxnum<tmp) maxnum=tmp;
                break; }
            else {
                temp[k] = '9'; k++; }
        }
        temp[k] = '\0';
        int tmp = atoi(temp);
        if(maxnum<tmp) maxnum=tmp;
    }
}
printf("%d\n", maxnum);
return 0;

}

which test case i'm missing, i'm unable to figure it out. what's wrong with the above code :(