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1045 Favorite Color Stripe (30 分)

2022-07-22 10:33:00 【学编程的蒟蒻】

1045 Favorite Color Stripe (30 分)

思路有空更新

#include <iostream>
using namespace std;
int a[10010], vis[10010], dp[10010];
int main() {
    
	int n, m, l, x, ret = 0;
	cin >> n >> m;
	for(int i = 1; i <= m; ++i){
    
		cin >> x;
		vis[x] = i;
	}
	cin >> l;
	while(l--) {
    
		cin >> x;
		if(vis[x] != 0)
			a[ret++] = vis[x];
	}
	int ans = 0;
	for(int i = 0; i < ret; ++i){
    
		dp[i] = 1;
		for(int j = 0; j < i; ++j)
			if(a[j] <= a[i])
				dp[i] = max(dp[i], dp[j] + 1);
		ans = max(ans, dp[i]);
	}
	cout << ans;
}