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ÇóÖú£¬ÎÒÐÂÊÖѧCÓïÑÔ£¬Õâ¸ö³ÌÐòÎÒ¼üÈëµÚÒ»¸öÊý¾Ýºó£¬Ö±½Ó¾Í´òÓ¡ºóÃæµÄÁË£¬Ã»ÓÐÈÃÎÒ¼üÈëµÚ¶þ¸öÊý¾Ý£¬Çë½ÌÏÂÎÒÄÄÀï´íÁË£¬ÔõôÐ޸ģ¬Ð»Ð»¡¢ #include<stdio.h> const int S_PER_M=60;//ÿ·ÖÖÓµÄÃëÊý const int S_PER_H=3600;//ÿСʱµÄÃëÊý const double M_PER_K=0.62137;//ÿ¹«ÀïµÄÓ¢ÀïÊý int main(void) { double distk,distm;//·Ö±ðÒÔ¹«ÀïºÍÓ¢Àï¼ÆµÄÅܹýµÄ¾àÀë double rate;//ÒÔÓ¢Àï/СʱΪµ¥Î»µÄƽ¾ùËÙ¶È int min,sec;//Åܲ½ÓÃʱµÄ·ÖÊýºÍÃëÊý int time;//ÓÃÃë±íʾµÄÅܲ½ÓÃʱ double mtime;//ÅÜÍê1Ó¢ÀïËùÓõÄʱ¼ä£¬ÒÔÃë¼Æ int mmin,msec;//ÅÜÍê1Ó¢ÀïËùÓõÄʱ¼ä£¬ÒÔ·ÖÖÓºÍÃë¼Æ printf("This program converts your time for a metric race\n" ;printf("to a time for running a mile and to your average\n" ;printf("Please enter,in kilometers,the distance run.\n" ;scanf("%1f",&distk);//%1f ±íʾ¶Áȡһ¸ödoubleÀàÐ͵ÄÖµ printf("Next enter the time in minutes and seconds.\n" ;printf("Begin by entering the minutes.\n" ;scanf("%d",&min); printf("Now enter the seconds.\n" ;scanf("%d",&sec); //°Ñʱ¼äת»»ÎªÈ«²¿ÓÃÃë±íʾ time=S_PER_M*min+sec; //°Ñ¹«ÀïÊýת»»ÎªÓ¢Àï distm=M_PER_K*distk; //Ó¢Àï/Ãë*Ãë/Сʱ=Ó¢Àï/Сʱ rate=distm/time*S_PER_H; //ʱ¼ä/¾àÀë=ÅÜÍêÿӢÀïµÄÓÃʱ mtime=(double)time/distm; mmin = (int)mtime / S_PER_M;//Çó³ö·ÖÖÓÊý msec=(int)mtime%S_PER_M;//Çó³öÊ£ÓàµÄÃëÊý printf("You ran %1.2f km(%1.2f miles) in %d min,%d sec.\n",distk,distm,min,sec); printf("That pace corresponds to running a mile in %min",mmin); printf("%d sec.\nYour average speed was %1.2f mph.\n",msec,rate); return 0; |
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