Submission #954371

#	Time	Username	Problem	Language	Result	Execution time	Memory
954371		codefox	Pairs (IOI07_pairs)	C++14	30 / 100	15 ms	1124 KiB

pairs

#include<bits/stdc++.h>

using namespace std;

#define pii pair<int, int>
#define ll long long

int main()
{
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int b, n, d, m;
    cin >> b >> n >> d >> m;

    if (b == 1)
    {
        vector<int> nums(n);
        for (int i =0; i < n; i++) cin >> nums[i];
        sort(nums.begin(), nums.end());

        ll sol = 0;
        queue<int> q;
        for (int i = 0; i < n; i++)
        {
            while (q.size() && nums[i]-q.front()> d) q.pop();
            sol += q.size();
            q.push(nums[i]);
        }
        cout << sol;
    }

    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