Submission #238655

#	Time	Username	Problem	Language	Result	Execution time	Memory
238655		Vimmer	Pictionary (COCI18_pictionary)	C++14	0 / 140	66 ms	2680 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;

vector <pair <int, int> > g;

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;

    cin >> n;

    g.resize(n);

    for (int i = 0; i < n; i++)
    {
        int x;

        cin >> x;

        g[i] = {x, i};
    }

    sort(g.begin(), g.end());

    int j = 1;

    pair <int, int> ans[n];

    for (int i = 0; i < n; i++)
    {
        while ((j + 1) * (j + 1) <= g[i].F) j++;

        if (i != 0 && g[i].F == g[i - 1].F) ans[g[i].S] = ans[g[i - 1].S];

        for (int u = 2; u <= j; u++)
            if (g[i].F % u == 0 && __gcd(u + g[i].F / u, g[i].F) == 1) {ans[g[i].S] = {u, g[i].F / u}; break;}

        if (ans[g[i].S].F == 0) ans[g[i].S] = {-1, -1};
    }


    for (int i = 0; i < n; i++) cout << ans[i].F << " "; cout << endl;

    for (int i = 0; i < n; i++) cout << ans[i].S << " ";
}

Compilation message (stderr)

pictionary.cpp: In function 'int main()':
pictionary.cpp:71:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i = 0; i < n; i++) cout << ans[i].F << " "; cout << endl;
     ^~~
pictionary.cpp:71:58: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     for (int i = 0; i < n; i++) cout << ans[i].F << " "; cout << 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