UVa 10340 All in All

数组需要开的很大

#include<cstdio>
#include<cstring>
using namespace std;
const int MAXN = 1000000;
int main()
{
    char s1[MAXN],s2[MAXN];
    while(scanf("%s%s",s1,s2)==2)
    {
        int i=0;
        for(int j=0;s1[i] && s2[j];j++)
            if(s1[i]==s2[j])
                i++;
        if(s1[i]==0)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}