Submission #3224826


Source Code Expand

#include <iostream>
#include <algorithm>
using namespace std;

typedef long long ll;

// n * (n + 1) / 2;

ll sum(ll n);
ll bsearch(ll n);

ll array[10000005];

int main()
{
    ll n;

    cin >> n;

    ll p = bsearch(n);

    for (ll i = 1; i <= p; i++) {
        if (i != (n - sum(p)) && i != (sum(p) - n)) {
            cout << i << endl;
        }
    }

    return 0;
}

ll sum(ll n) {
    return n * (n + 1) / 2;
}

ll bsearch(ll n)
{
    ll l, r, mid;

    l = 1;
    r = n + 1;

    while (r - l > 1) {
        mid = (r + l) / 2;
        ll tmp = sum(mid);

        if (tmp == n) {
            r = l = mid;
        } else if (tmp > n) {
            r = mid + 1;
        } else {
            l = mid + 1;
        }
    }

    return l;
}

Submission Info

Submission Time
Task B - Exactly N points
User toyama
Language C++14 (GCC 5.4.1)
Score 0
Code Size 802 Byte
Status TLE
Exec Time 2103 ms
Memory 256 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 200 0 / 100
Status
AC × 3
AC × 9
TLE × 4
AC × 13
TLE × 11
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt TLE 2103 ms 256 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 1 ms 256 KB
01-04.txt TLE 2103 ms 256 KB
01-05.txt TLE 2103 ms 256 KB
01-06.txt TLE 2103 ms 256 KB
01-07.txt AC 1 ms 256 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
01-10.txt AC 1 ms 256 KB
02-01.txt TLE 2103 ms 256 KB
02-02.txt TLE 2103 ms 256 KB
02-03.txt TLE 2103 ms 256 KB
02-04.txt TLE 2103 ms 256 KB
02-05.txt TLE 2103 ms 256 KB
02-06.txt AC 5 ms 256 KB
02-07.txt TLE 2103 ms 256 KB
02-08.txt TLE 2103 ms 256 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB
sample-03.txt AC 1 ms 256 KB