奋斗的小蜗牛NYOJ599

#include<stdio.h>int main(){       int k;    scanf("%d",&k);    while(k--)    {        int H,sum=0,day=0;        scanf("%d",&H);        while(sum<H)        {            sum+=10;            //白天能够走10步             day++;            if(sum>=H) break;            sum-=5;             //晚上退5步         }        printf("%d\n",day);    }    return 0;}