@[lion0617](/user/1404388)
```cpp
#include <bits/stdc++.h>
using namespace std;
double s,v,m;
int n,a,t,b;
int main(){
cin>>s>>v;
n=8*60+24*60;
t=ceil(s/v)+10;
n=n-t;
if(n>=24*60) n-=24*60;
b=n%60;
a=n/60;
if(a<10){
if(b<10) cout<<"0"<<a<<":0"<<b;
else cout<<"0"<<a<<":"<<b;
}else{
if(b<10) cout<<a<<":0"<<b;
else cout<<a<<":"<<b;
}
return 0;
}
```
by Emil_ @ 2024-08-22 10:20:01
@[Emil_](/user/1393222) 杰哥给他调
by _Constantine_ @ 2024-08-22 10:20:29
@[_Constantine_](/user/1271326)
没工夫
by Emil_ @ 2024-08-22 10:21:38
@[AI9527](/user/1271328)
by _Constantine_ @ 2024-08-22 10:22:44
@[lion0617](/user/1404388)
终于调完了
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int s,v,ss,sh,f;
cin>>s>>v;
ss=ceil((s*1.0/v+10)/60);
sh=8-ss;
while(sh<0)
sh+=24;
printf("%02d:",sh);
f=(50-ceil(s*1.0/v));
while(f<0){
f+=60;
}
if(f<10)
cout<<'0'<<f;
else cout<<f;
}
by AI9527 @ 2024-08-22 10:42:58
@[lion0617](/user/1404388)
求关
by AI9527 @ 2024-08-22 10:43:22