【HDOJ6308】Time Zone（模拟）

题意：

以"UTC+X'', "UTC-X'', "UTC+X.Y'', or "UTC-X.Y'' 四种格式给定当地时间，要求转换为北京时间

思路：Gold_7写的

我自己转C后字符串处理的模拟题并不熟练啊

 1 #include <cstdio>
 2 #include <cstring>
 3 #include <string>
 4 #include <cmath>
 5 #include <iostream>
 6 #include <algorithm>
 7 #include <map>
 8 #include <set>
 9 #include <queue>
10 #include <vector>
11 using namespace std;
12 typedef long long ll;
13 typedef unsigned int uint;
14 typedef unsigned long long ull;
15 typedef pair<int, int> PII;
16 typedef vector<int> VI;
17 #define fi first
18 #define se second
19 #define MP make_pair
20 
21 int read()
22 {
23     int v = 0, f = 1;
24     char c = getchar();
25     while (c < 48 || 57 < c) {if (c == '-') f = -1; c = getchar();}
26     while (48 <= c && c <= 57) v = (v << 3) + v + v + c - 48, c = getchar();
27     return v * f;
28 }
29 
30 char ch[1000];
31 
32 int main()
33 {
34     int cas = read();
35     while (cas--)
36     {
37         int x = read(), y = read();
38         scanf("%s", ch);
39         int flag=1;
40         int p = 0, q = 0;
41         if (ch[3]=='-')flag=-1;
42         p = p * 10 + ch[4] - '0';
43         if (ch[5])
44         {
45             if (ch[5] != '.')
46             {
47                 p = p * 10 + ch[5] - '0';
48                 if (ch[6] == '.')
49                     q = ch[7] - '0';
50             } else
51             {
52                 q = ch[6] -'0';
53             }
54         }
55         p*=flag;q*=flag;
56         p -= 8;
57         x += p;
58         y += q * 6;
59         x += y / 60;
60         y %= 60;
61         if (y<0){x--;y+=60;}
62         x = (x % 24 + 24) % 24;
63         printf("%02d:%02d\n", x, y);
64         for (int i = 0; ch[i]; i++)
65             ch[i] = 0;
66     }
67 }

 

posted on 2018-07-24 20:51  myx12345  阅读(213)  评论(0)  编辑  收藏  举报

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