【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

 #include <cstdio>
 #include <cstring>
 #include <string>
 #include <cmath>
 #include <iostream>
 #include <algorithm>
 #include <map>
 #include <set>
 #include <queue>
 #include <vector>
 using namespace std;
 typedef long long ll;
 typedef unsigned int uint;
 typedef unsigned long long ull;
 typedef pair<int, int> PII;
 typedef vector<int> VI;
 #define fi first
 #define se second
 #define MP make_pair

 int read()
 {
     int v = , f = ;
     char c = getchar();
     while (c <  ||  < c) {if (c == '-') f = -; c = getchar();}
     while ( <= c && c <= ) v = (v << ) + v + v + c - , c = getchar();
     return v * f;
 }

 char ch[];

 int main()
 {
     int cas = read();
     while (cas--)
     {
         int x = read(), y = read();
         scanf("%s", ch);
         int flag=;
         int p = , q = ;
         if (ch[]=='-')flag=-;
         p = p *  + ch[] - '';
         if (ch[])
         {
             if (ch[] != '.')
             {
                 p = p *  + ch[] - '';
                 if (ch[] == '.')
                     q = ch[] - '';
             } else
             {
                 q = ch[] -'';
             }
         }
         p*=flag;q*=flag;
         p -= ;
         x += p;
         y += q * ;
         x += y / ;
         y %= ;
         if (y<){x--;y+=;}
         x = (x %  + ) % ;
         printf("%02d:%02d\n", x, y);
         for (int i = ; ch[i]; i++)
             ch[i] = ;
     }
 }