@[yaoyang007](/user/804226) 你的头文件呢
by Vergil_Sparda @ 2022-10-24 21:24:51
```cpp
#include<iostream>
using namespace std;
int main()
{
int t1=0,t2=0;
for (int i=1;i<=12;i++)
{
int x;
cin>>x;
t1+=300-x;
if (t1<0)
{
cout<<-i;return 0;
}
int n=t1/100;
t2+=n*100;
t1%=100;
}
cout<<t1+t2*1.2;
return 0;
}
```
by CH_mengxiang @ 2022-10-24 21:31:08
```cpp
#include<iostream>
using namespace std;
int a[16];
int main()
{
signed int sy=0;//目前钱数；
int cq;//存的整百
int ans=0;//第一次钱不够的月份
int sum=0;//总存的钱
for (int i=1;i<=12;i++)
cin>>a[i];
for (int i=1;i<=12;i++)
{
sy+=300-a[i];
if (sy<0)
{
ans=i;
break;
}
cq+=sy/100;
sy%=100;
}
sum=sy+cq*120;
if(ans==0)cout<<sum<<endl;
else cout<<"-"<<ans<<endl;
return 0;
}
```
只能帮你到这了
by Vergil_Sparda @ 2022-10-24 21:32:42
@[qknb_QWQ](/user/469492) Okkkk谢谢大佬
by yaoyang007 @ 2022-10-27 19:42:24
@[PRC_Dreamwastaken](/user/190485) 多谢大佬
by yaoyang007 @ 2022-10-27 19:42:38
```
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a[13];
int ans=0,last=0;
for(int i=0;i<12;i++)
{
cin>>a[i];
last+=300;
last-=a[i];
if(last<0)
{
cout<<"-"<<i+1;
return 0;
}
ans+=last/100;
last%=100;
}
cout<<last+ans*120;
return 0;
}
by sunruishe @ 2022-10-28 22:22:42