Submission #238669

#	Time	Username	Problem	Language	Result	Execution time	Memory
238669		Vimmer	Pictionary (COCI18_pictionary)	C++14	0 / 140	1591 ms	1136 KiB

pictionary

#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 N 100001
#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, 2> a2;

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

ll a, b, cur;

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);

    int n, m, q;

    cin >> n >> m >> q;

    for (; q > 0; q--)
    {
        int x, y;

        cin >> x >> y;

        vector <int> g, v; g.clear(); v.clear();

        int sg = sqrt(x);

        for (int i = 2; i <= sg; i++)
          if (x % i == 0) {g.pb(i); if (x / i != i) g.pb(i);}

        sg = sqrt(y);

        for (int i = 2; i <= sg; i++)
          if (y % i == 0) {v.pb(i); if (y / i != i) v.pb(i);}

        g.pb(x);

        v.pb(y);

        ll mx = 1;

        for (auto it : g)
          for (auto itr : v)
            {
                a = it, b = itr;

                cur = (a * b) / __gcd(a, b);

                if (cur > n) continue;

                ll gc1 = __gcd(cur, ll(x)), gc2 = __gcd(cur, ll(y));

                ll minr = min(gc1, gc2);

                if (minr <= m) mx = max(mx, minr);
            }

        cout << m - mx + 1 << endl;
    }
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14
• Subtask 6: 0 / 14
• Subtask 7: 0 / 14
• Subtask 8: 0 / 14
• Subtask 9: 0 / 14
• Subtask 10: 0 / 14