aaaaaxxx @ 2023-10-29 16:53:47
#include <iostream>
using namespace std;
int main()
{
int s,v,t,a,b;
cin>>s>>v;
t=s/v+10;
a=t/60;
if(t % 60 ==0)
b=60-t+a*60;
else
b=59-t+a*60;
if(a<=8)
{
if(b>10)
cout<<"0"<<7-a<<":"<<b<<endl;
else
{
if(b==0)
cout<<"0"<<8-a<<":"<<b<<endl;
else
cout<<"0"<<7-a<<":0"<<b<<endl;
}
}
if(a>8)
{
if(b>10)
cout<<32-a<<":"<<b<<endl;
else
{
if(b==0)
cout<<"0"<<32-a<<":0"<<b<<endl;
else
cout<<"0"<<31-a<<":0"<<b<<endl;
}
}
return 0;
}
———————————————————————
最后三个没过。。。
by 1612855242ytq @ 2023-10-29 17:08:41
line 10 : b=0;
不然b就等于60了
by aaaaaxxx @ 2023-10-29 17:13:18
@1612855242ytq 好的佬,确实是个错误,但改完还是最后三个没过:C
by 1612855242ytq @ 2023-10-29 17:18:41
line 15&28 : 应该为b>=10
否则b=10的时候还是有前导零
by 1612855242ytq @ 2023-10-29 17:26:39
line 16&22 :可能会有7-8=-1吧
by 1612855242ytq @ 2023-10-29 17:28:13
遇到wa了几个点的情况,大部分是边界情况没有考虑充分,条件允许的情况下可以自己手写几个数据测试看看,特别是边界情况
by aaaaaxxx @ 2023-10-29 17:33:11
@1612855242ytq 好的佬,我去改改看,不会再来问。