제출 #382250

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
382250		Vimmer	Hop (COCI21_hop)	C++14	110 / 110	60 ms	1408 KiB

Main

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("-O3")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("Ofast")

#define N 200501
#define NN 10000010
#define PB push_back
#define M ll(1e9 + 7)
#define all(x) x.begin(), x.end()
#define sz(x) int(x.size())
#define _ << " " <<
#define pri(x) cout << x << endl
#define endl '\n'
#define F first
#define S second

//using namespace __gnu_pbds;
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef long double ld;

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

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

//    freopen("1.in", "r", stdin);

    int n;

    cin >> n;

    ll x[n];

    for (int i = 0; i < n; i++)
        cin >> x[i];

    for (int i = 1; i < n; i++, cout << endl)
        for (int j = 0; j < i; j++)
        {
            if (x[i] % x[j] != 0)
            {
                cout << 1 << " ";

                continue;
            }

            ll l, r;

            for (int u = 0; u < 60; u++)
            {
                if (x[i] % (1ll << u) == 0)
                    l = u;

                if (x[j] % (1ll << u) == 0)
                    r = u;
            }

            l = (1ll << l);

            r = (1ll << r);

            if (l / 4 == r / 4)
            {
                cout << 1 << " ";
            }
            else if (l / 16 == r / 16)
            {
                cout << 2 << " ";
            }
            else cout << 3 << " ";
        }
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:69:22: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
   69 |             r = (1ll << r);
      |                 ~~~~~^~~~~
Main.cpp:67:22: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
   67 |             l = (1ll << l);
      |                 ~~~~~^~~~~

• Subtask 1: 10 / 10
• Subtask 2: 100 / 100