poj2043 密码

 1 #include<iostream>
 2 #include<iomanip>
 3 #include<cstdio>
 4 #include<cstdlib>
 5 #include<cstring>
 6 #include<cmath>
 7 #include<string>
 8 #include<algorithm>
 9 #include<vector>
10 #include<map>
11 #include<stack>
12 #include<queue>
13 #include<deque>
14 #include<set>
15 #include<cctype>
16 #define maxn (int)1e5
17 #define INF 0x3f3f3f3f
18 using namespace std;
19 int main()
20 {
21     ios::sync_with_stdio(false);
22     cin.tie(0);
23     cout.tie(0);
24     #ifndef ONLINE_JUDGE
25     freopen("input.txt","r",stdin);
26     #endif
27    int T;
28    set<char> st;
29    st.insert(‘~‘),st.insert(‘!‘),st.insert(‘@‘),st.insert(‘#‘),st.insert(‘$‘),st.insert(‘%‘),st.insert(‘^‘);
30    string s;
31    cin>>T;
32    while(T--)
33    {
34        cin>>s;
35        int l=s.size();
36        if(l<8||l>16) {
37         cout<<"NO"<<endl;
38         continue;
39        }
40        int num1=0,num2=0,num3=0,num4=0;
41        for(int i=0;i<l;++i)
42        {
43            if(isdigit(s[i])) num1=1;
44            if(isupper(s[i])) num2=1;
45            if(isalpha(s[i])) {
46             if(!isupper(s[i])) num3=1;
47            }
48            if(st.count(s[i])) num4=1;
49 
50        }
51        if(num1+num2+num3+num4>=3) cout<<"YES"<<endl;
52        else cout<<"NO"<<endl;
53    }
54 
55 }