Submission #988393

#	Time	Username	Problem	Language	Result	Execution time	Memory
988393		huutuan	Pairs (IOI07_pairs)	C++14	30 / 100	16 ms	2136 KiB

pairs

#include<bits/stdc++.h>

using namespace std;

#define int long long

const int N=1e5+10;
int b, n, d, m;

namespace sub1{
   int a[N];
   void solve(){
      for (int i=1; i<=n; ++i) cin >> a[i];
      sort(a+1, a+n+1);
      int ans=0;
      for (int i=1, j=1; i<=n; ++i){
         while (a[i]-a[j]>d) ++j;
         ans+=i-j;
      }
      cout << ans << '\n';
   }
}

int32_t main(){
   ios_base::sync_with_stdio(false);
   cin.tie(nullptr);
   cin >> b >> n >> d >> m;
   if (b==1){
      sub1::solve();
   }
   return 0;
}

• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 6 / 6
• Subtask 4: 6 / 6
• Subtask 5: 6 / 6
• Subtask 6: 0 / 7
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8
• Subtask 9: 0 / 8
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10
• Subtask 12: 0 / 10
• Subtask 13: 0 / 10