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Submission #249477

# Submission time Handle Problem Language Result Execution time Memory
249477 2020-07-15T06:21:43 Z Vimmer Uzastopni (COCI17_uzastopni) C++14
64 / 80
 1000 ms 384 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 100010
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef short int si;
typedef array <int, 6> a6;

//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;


int main()
{
    //freopen("input.txt", "r", stdin); freopen("output4.txt", "w", stdout);

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

    ll n;

    cin >> n;

    vector <pair <ll, ll> > ans; ans.clear();

    ll l = 1, r = 0, sum = 0;

    while (r <= 1000000000 && r < n)
    {
        while (sum > n) sum -= l++;

        if (sum == n) ans.pb({l, r});

        sum += ++r;
    }

    for (auto it : ans) cout << it.F << " " << it.S << '\n';
}

Subtask #1
64.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 19 ms 384 KB Output is correct
8 Correct 156 ms 384 KB Output is correct
9 Execution timed out 1091 ms 384 KB Time limit exceeded
10 Execution timed out 1093 ms 384 KB Time limit exceeded