/ SeriousOJ /

Record Detail

Wrong Answer


  
# Status Time Cost Memory Cost
#1 Wrong Answer 1ms 532.0 KiB
#2 Wrong Answer 2ms 532.0 KiB

Code

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t;
    cin >> t;
    while (t--) {
        long long n;
        cin >> n;

        long long ans = 0;

        for (long long i = 1; i * i <= n; ++i) 
        {
            long long val = n / i;
            if (val > 1) 
            {
                ans += (val - 1);
            }
        }

        for (long long v = 1; v * v <= n; ++v) 
        {
            long long l = n / (v + 1) + 1;
            long long r = n / v;

            if (l > r) continue;

            ans += (r - l + 1) * (v - 1);
        }

        cout << ans << '\n';
    }

    return 0;
}

Information

Submit By
Type
Submission
Problem
P1207 D2. GCD equal Absolute Value (Hard Version)
Contest
Educational Round 1
Language
C++17 (G++ 13.2.0)
Submit At
2025-07-14 17:15:12
Judged At
2025-07-14 17:15:12
Judged By
Score
0
Total Time
2ms
Peak Memory
532.0 KiB