算法擂台代码：时间表达

从同学处翻看《程序员》2007年12月刊，有个算法擂台比较有意思，试了着写了个代码。一看要求"解答提交时间，最好能早于当月15日"，今天已20。加上懒得注释。就贴上来了，好久没写文章了也是。

题目的要求：输入数字，输出相应的英文时间表达语句，当输入为0，0时结束退出

样例输入:
8 21
12 45
5 0
0 30
0 0
样例输出:
it is twenty-one pass eight.
it is a quarter to thirteen.
it is five o' clock.
it is half pass zero.

比较有意思，写了个代码试了试，结果如下：

1 0
2 30
3 15
4 45
5 12
6 53
0 15
0 23
0 56
12 48
12 0
0 0
it is one o' clock
it is half pass two
it is a quarter pass three
it is a quarter to five
it is twelve pass five
it is seven to seven
it is a quarter pass zero
it is twenty-three pass zero
it is four to one
it is twelve to thirteen
it is twelve o' clock

貌似符合要求，就贴上来了，算法很烂，可以说没有算法，就简单的逻辑，也没有注释，凑合着看吧，应该不难懂。

 

#include <stdio.h> 
#include <string.h>
#include <stdlib.h>

int initargs(int,int);

#define HALF "half"
#define QUARTER    "a quarter"
#define NORMAL    0
#define PASS    1
#define TO        2

#define BUF    100

static int flag=0;

static char* hours[]=...{"zero","one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen"};
static char* minis[]=...{"","one","two","three","four","five","six","seven","eight","nine",
              "ten","eleven","twelve","thirtenn","fourteen","a quarter","sixteen","seventeen","eighteen","nineteen",
              "twenty","twenty-one","twenty-two","twenty-three","twenty-four","twenty-five","twenty-six","twenty-seven","twenty-eight","twenty-nine"};
static char* hour;
static char* mini;
static char* mode;

static char* time;

struct stime...{
int hour;
int mini;
};

struct stime times[BUF];

int main() 
...{ 
    int count,i;
    int hr,mi;
    for(count=0;count<BUF;count++)
    ...{    
        scanf("%d%d",&hr,&mi);
        if((hr|mi)==0)
            break;
        if(hr<0 || hr>12 || mi<0 || mi>60)
        ...{
            printf("no match ");
            return 0;
        }
        times[count].hour = hr;
        times[count].mini = mi;
    }
    
    time = (char*)malloc(100 );
    
    for(i=0; i<count; i++)
    ...{        
        memset(time,0,sizeof time);
        initargs(times[i].hour,times[i].mini);
        if(NORMAL == flag)
            sprintf(time, "it is %s o' clock",hour);
        if(PASS == flag)
            sprintf(time, "it is %s pass %s",mini,hour);
        if(TO == flag)
            sprintf(time, "it is %s to %s", mini, hour);

        printf("%s ",time);
    }
    return 0;
} 

int initargs(int hr,int mi)
...{
    //int ret;
    switch(mi) ...{
    case 0:
        flag = NORMAL;
        hour = hours[hr];    
        return 0;
    case 15:
        flag = PASS;
        mini = QUARTER;
        hour = hours[hr];
        return 0;
    case 30:
        flag = PASS;
        mini = HALF;
        hour = hours[hr];
        return 0;
    case 45:
        flag = TO;
        mini = QUARTER;
        hour = hours[hr+1];
        return 0;
    default:
        break;
    }

    if(mi>0 && mi<30)
    ...{
        mini = minis[mi];
        hour = hours[hr];
        flag = PASS;
    }
    else if(mi>=30 && mi<60)
    ...{
        mini = minis[60-mi];
        hour = hours[hr+1];
        flag = TO;
    }
    else
        printf("some error ");

    return 0;
}