이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=1e5;
namespace d1
{
int tab[N+10];
long long solve()
{
int n,d,m;
cin>>n>>d>>m;
for(int i=1;i<=n;i++)
cin>>tab[i];
sort(tab+1,tab+n+1);
long long ans=0;
for(int i=1,j=1;i<=n;i++)
{
while(tab[i]-tab[j]>d)
j++;
ans+=i-j;
}
return ans;
}
};
namespace d2
{
long long solve()
{
return 0;
}
};
namespace d3
{
long long solve()
{
return 0;
}
};
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int board_type;
cin>>board_type;
if(board_type==1)
cout<<d1::solve();
else if(board_type==2)
cout<<d2::solve();
else
cout<<d3::solve();
cout<<"\n";
return 0;
}
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