#include
int main(int argc,char* argv[])
{
int h,cnt;
double wtime;
double tim,m;
double payph=500;
double calc,calc1,calc2;
cnt = 0;
printf("input time[%d]: ",cnt);
scanf("%lf",&tim);
while(tim!=0){
h = (int)tim;
m = tim-h;
if(m-(int)(m/0.25)*0.25 != 0){
printf("input time is strange[%.2lf].\n",h+m);
} else {
wtime += tim;
cnt++;
}
printf("input time[%d]: ",cnt);
scanf("%lf",&tim);
}
if(wtime>=8){
calc1 = 8*payph;
calc2 = (wtime-8)*payph*1.1;
calc = calc1+calc2;
} else {
calc = wtime*payph;
}
printf("[work time:%.2lf ==> %.2lfyen]\n",wtime,calc);
return 0;
}
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