@[星之哀伤](/user/128388)
hack数据
```cpp
471 1
```
输出
```cpp
00:0-1
```
by with_no_signal @ 2022-09-28 15:31:36
@[星之哀伤](/user/128388)
```cpp
#include<bits/stdc++.h>
using namespace std;
int main()
{
float s,v;
int a,sum,b;
cin>>s>>v;
sum=ceil(s/v);
a=ceil(s/v/60);
if(a==s/v/60)a=a+1;
b=sum%60;
if(a<=8&&50-b>=10)cout<<"0"<<8-a<<":"<<50-b;
if(a<=8&&50-b<10)
{
if(50-b>=0)cout<<"0"<<8-a<<":"<<"0"<<50-b;
else
{
if(8-a!=0)cout<<"0"<<7-a<<":";
else cout<<"23:";
cout<<110-b;
}
}
if(a>8&&50-b>=10)
{
if(32-a<10)cout<<"0"<<32-a<<":"<<50-b;
else cout<<32-a<<":"<<50-b;
}
if(a>8&&50-b<10)
{
if(32-a<0)cout<<"0"<<32-a<<":"<<"0"<<50-b;
else cout<<32-a<<":"<<"0"<<50-b;
}
return 0;
}
```
可过
by with_no_signal @ 2022-09-28 15:42:20
@[with_no_signal](/user/302803)
感谢dalao~~真的坑~~
by 星之哀伤 @ 2022-09-28 15:53:02