病毒侵袭 还不对

#include<iostream>
#include<stdio.h>
#include<cstring>
using namespace std;
    char a[501][210];
    char str[10001];
    int num[10001][501];
    int next[10010];
void get_next(char* p, int* next)
{
    int i, j;
    i = 0;
    j = -1;
    next[0] = -1;
    while (i < strlen(p))
    {
        if (j == -1 || p[i] == p[j])
        {
            i++;
            j++;
            //next[i] = j;
            
            if (p[i] != p[j])
            next[i] = j;
            else
            next[i] = next[j];
            
            //cout << "next[i] = " << j << endl;
        }
        else
        {
            j = next[j];
            //cout << "i = " << i << " j = " << j << endl;
        }
    }
}

int index_kmp(char* p, char* x)
{
    int i = -1;
    int j = -1;
    int len1 = strlen(p);
    int len2 = strlen(x);
    int next[100];
    get_next(x, next);
    while(i < len1 && j < len2)
    {
        if (j == -1 || p[i] == x[j])
        {
            i++;
            j++;
        }
        else
        {
            j = next[j];
            //cout << "i = " << i << " j = " << j << endl;
        }
    }
    if (j == strlen(x))
        return i - strlen(x);
    else
        return -1;
}

int main()
{

    int T,i,j,sum,falt,n,m,num2;
    while(scanf("%d",&n)!=EOF)
        {
            for(i=1;i<=n;++i)
                scanf("%s",&a[i]);
            scanf("%d",&m);
            memset(num,0,sizeof(num));
            for(i=1;i<=m;++i)
            {
                scanf("%s",str);
                memset(next,0,sizeof(next));
                for(j=1;j<=n;++j)
                {
                    get_next(a[j], next);
                    if(index_kmp(str,a[j])!=-1)
                        num[i][j]=1;
                }
            }
            sum=0;
            for(i=1;i<=m;++i)
            {
                falt=0;
                for(j=1;j<=n;++j)
                    if(num[i][j]!=0)
                    {
                        falt=1;
                        sum++;
                        break;
                    }
                if(falt==1)
                {
                    printf("web %d: ",i);
                    num2=0;
                    for(j=1;j<=n;++j)
                    {
                        if(num[i][j]!=0)
                        {
                            printf("%d ",j);
                            num2++;
                        }
                        if(num2==3)
                            break;
                    }
                        printf("\n");
                }
            }
            printf("total: %d\n",sum);
        }
    return 0;
}