poj1936

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define maxn 100005

char a[maxn], b[maxn];

int main()
{
    //freopen("t.txt", "r", stdin);
    int lena, lenb;
    while (scanf("%s%s", a, b) != EOF)
    {
        lena = strlen(a);
        lenb = strlen(b);
        bool ok = true;
        int j = 0;
        for (int i = 0; i < lena; i++)
        {
            while (b[j] != a[i] && j < lenb)
                j++;
            if (j == lenb)
            {
                ok = false;
                break;
            }
            j++;
        }
        if (ok)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}