为什么 #7 RE 玄关

玄关玄关

#include <bits/stdc++.h>
using namespace std;
string a[1005], b[100005];
map<string, bool>mp, tmp;
map<string, int>mp2;
int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		mp[a[i]] = 1;
	}
	int m;
	cin >> m;
	int ans = 0;
	tmp = mp;
	for (int i = 1; i <= m; i++) {
		cin >> b[i];
		if (tmp[b[i]]) {
			ans++;
			tmp[b[i]] = 0;
		}
	}
	cout << ans << endl;
	int l = 1, r = 1, t = 0;
	int mi = INT_MAX;
	for (; r <= m; r++) {
		if (mp[b[r]]) {
			if (mp2[b[r]] == 0)t++;
			mp2[b[r]]++;
		}
		while (t == ans) {
			mi = min(mi, r - l + 1);
			if (mp[b[l]]) {
				mp2[b[l]]--;
				if (mp2[b[l]] == 0)t--;
			}
			l++;
		}
	}
	if (mi == INT_MAX) {
		cout << 0;
	} else {
		cout << mi;
	}
	return 0;
}