比赛 20241021 评测结果 AAAAAAAAAAAAAA
题目名称 子序列 最终得分 100
用户昵称 ┭┮﹏┭┮ 运行时间 0.078 s
代码语言 C++ 内存使用 4.86 MiB
提交时间 2024-10-21 08:37:00
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define fi first
#define in inline
#define se second
#define mp make_pair
#define pb push_back
const int N = 1e5+10;

ll read(){
	ll x = 0,f = 1;char c = getchar();
	for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
	for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
	return x * f;
}


char c[N],ch[110];
int n,m;
int nx[N][26];
int main(){
	freopen("subsequence.in","r",stdin);
	freopen("subsequence.out","w",stdout);
	scanf("%s",c + 1);
	n = strlen(c + 1);
	for(int i = 0;i < 26;i++)nx[n][i] = n + 1;
	for(int i = n-1;i >= 0;i--){
		for(int j = 0;j < 26;j++)nx[i][j] = nx[i+1][j];
		nx[i][c[i+1] - 'a'] = i + 1;
	}
	m = read();
	for(int i = 1;i <= m;i++){
		scanf("%s",ch + 1);
		int len = strlen(ch + 1);
		int now = 0,j = 0;
		for(j = 1;j <= len;j++){
			if(nx[now][ch[j] - 'a'] <= n)now = nx[now][ch[j] - 'a'];
			else break;
		}
		if(j <= len)printf("No\n");
		else printf("Yes\n");
	}

	return 0;

}