C 程式設計作業五，解題練習：解答

/* C Programming, Project 5 */
#include <stdio.h>
#include <stdlib.h>

int getZoneNo(int);
int compZoneMin(int, int, int, int);
int main(void)
{
    char phoneNo[20];
    double zonePrice1=5.4, zonePrice2=3.6;
    int startHr, startMin, endHr, endMin;
    int zone1, zone2, zoneMin1, zoneMin2;
    while (scanf("%s %d %d %d %d",phoneNo, &startHr, &startMin, &endHr, &endMin)==5)
    {
        printf("%s %6d %6d %6d %6d\n",phoneNo, startHr, startMin, endHr, endMin);
        zone1 = getZoneNo(startHr);
        zone2 = getZoneNo(endHr);
        if (zone1==zone2)
        {
            if (zone1==1)
            {
                zoneMin1 = compZoneMin(startHr, startMin, endHr, endMin);
                zoneMin2 = 0;
            }
            else
            {
                zoneMin1 = 0;
                if (startHr<endHr)
                    zoneMin2 = compZoneMin(startHr, startMin, endHr, endMin);
                else
                    zoneMin2 = compZoneMin(startHr, startMin, endHr+24, endMin);
            }
        }
        else
        {
            if (zone1==1)
            {
                if (endHr<8)
                    endHr += 24;
                zoneMin1 = compZoneMin(startHr, startMin, 18, 0);
                zoneMin2 = compZoneMin(18, 0, endHr, endMin);
            }
            else
            {
                endHr += 24;
                if (startHr<8)
                    startHr += 24;
                zoneMin1 = compZoneMin(startHr, startMin, 32, 0);
                zoneMin2 = compZoneMin(32, 0, endHr, endMin);
            }
        }
        printf("--------------------------->%6d%6d%10.0lf\n", zoneMin1, zoneMin2, zoneMin1*zonePrice1+zoneMin2*zonePrice2);
    }

    system("pause");
    return 0;
}

int getZoneNo(int hr)
{
    if (hr>=8 && hr<18)
        return 1;
    else
        return 2; 
}
int compZoneMin(int startHr, int startMin, int endHr, int endMin)
{
    printf("%6d %6d %6d %6d\n",startHr, startMin, endHr, endMin);
    if (startMin<endMin)
        return (endHr-startHr)*60+endMin-startMin;
    else
        return (endHr-startHr-1)*60+endMin-startMin+60;
}

作業五題目
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