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#根据谢老师发的视频讲解得出的暴力方法,详情请看https://www.bilibili.com/video/bv11L4y1b7JQ#
Information
- ID
- 106
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 6
- Tags
- # Submissions
- 546
- Accepted
- 173
- Uploaded By
#根据谢老师发的视频讲解得出的暴力方法,详情请看https://www.bilibili.com/video/bv11L4y1b7JQ#
#include <iostream>
using namespace std;
typedef long long ll;
int main()
{
ll count=0;
for(ll i=1;i<2021;i++)
{
for(ll j=1;j<2021;j++)
{
for(ll u=1;u<2021;u++)
{
ll m=2021-i-j-u;
if(m>=2)
{
count+=m-1;
}
else
break;
}
}
}
cout<<count<<endl;
return 0;
}
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