温度转化main(){double C,F; scanf("%lf",&F); C=(F-32)*5/9; printf("%lf",C);}四位整数main(){int n,a,b,c,d; scanf("%d",&n); d=n%10; c=n%100/10; b=n%1000/100; a=n/1000; printf("%d%d%d%d\n",d,c,b,a);}
