/ SeriousOJ /

Record Detail

Time Exceeded


  
# Status Time Cost Memory Cost
#1 Accepted 1ms 532.0 KiB
#2 Time Exceeded ≥1000ms ≥752.0 KiB
#3 Time Exceeded ≥1099ms ≥696.0 KiB

Code

#pragma GCC optimize("O3", "inline")
#include <bits/stdc++.h>
using namespace std;

typedef long long int ll;
typedef long double ld;
#define pb push_back
#define ub upper_bound
#define INF 1e18 + 100

ll solve()
{
    int n;
    cin >> n;
    ll ans = 0;
    ll l = 1;
    for(; l <= n;){
        ll r = n / (n / l);
        int q = n / l;
        ll add = max(q - 1, 0) * (r - l + 1);
        ans += add;
        l = r + 1;
    }
    return ans;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    cin >> t;
    while(t--)
    {
        ll x = solve();
        cout << x << "\n";
    }
    return 0;
}

Information

Submit By
Type
Submission
Problem
P1206 D1. GCD equal Absolute Value (Easy Version)
Language
C++17 (G++ 13.2.0)
Submit At
2025-07-15 05:41:34
Judged At
2025-07-15 05:41:34
Judged By
Score
0
Total Time
≥1099ms
Peak Memory
≥752.0 KiB