ACM-ICPC 2018 徐州赛区网络预赛

 

 

 

I. Characters with Hash

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 typedef long long ll;
 4 #define inf 0x7fffffff
 5 #define faster ios::sync_with_stdio(0);cin.tie(0)
 6 
 7 inline ll read()
 8 {
 9     int x=0,f=1;char ch=getchar();
10     while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
11     while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
12     return x*f;
13 }
14 
15 /********************************************************************/
16 
17 const int maxn = 1000000+7;
18 int n;
19 char s[2];
20 char ch[maxn];
21 
22 int main(){
23     int t;
24     t = read();
25     while(t--){
26         n = read();
27         scanf("%s", s);
28         scanf("%s", ch);
29         int ans = 0;
30         int flag = 0;   //是头
31         for(int i = 0;i < n;i++){
32             if(flag == 0){
33                 int x = abs(s[0] - ch[i]);
34                 //cout << "x : " << x << endl;
35                 if(x == 0)
36                     continue;
37                 if(x < 10){
38                     ans = 1;
39                 }
40                 else
41                     ans = 2;
42                 flag = 1;
43                 continue;
44             }
45             else
46                 ans += 2;
47         }
48         if(ans == 0)
49             ans = 1;
50         printf("%d\n", ans);
51     }
52     return 0;
53 }
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posted @ 2018-09-11 21:01  ouyang_wsgwz  阅读(145)  评论(0)    收藏  举报