제출 #92873

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92873		davitmarg	Nice sequence (IZhO18_sequence)	C++17	9 / 100	9 ms	888 KiB

sequence

/*
DEATH-MATCH
Davit-Marg
*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <iterator>
#include <ctype.h>
#include <stdlib.h>  
#include <cassert>
#include <fstream>  
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
using namespace std;

int t,n, m;
bool sw;
vector<int> a;
int main()
{
	cin >> t;
	while (t--)
	{
		cin >> n >> m;
		sw = 0;
		a.resize(0);
		if (n < m)
		{
			sw = 1;
			swap(n, m);
		}

		if (m == 2)
		{

			if (n % 2)
			{

				for (int i = n; i >= 1; i--)
					if ((n + 1 - i) % 2)
						a.PB(i / 2+2*n);
					else
						a.PB(-(a.back() + 1));
			}
			else
			{
				for (int i = 1; i < n; i++)
					a.PB(-1);
			}
		}
		cout << a.size() << endl;
		if (a.size() != 0)
		{
			for (int i = 0; i < a.size(); i++)
				cout << a[i] * (2 * (sw)-1) << " ";
			cout << endl;
		}

	}
	return 0;
}

/*


*/

컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp: In function 'int main()':
sequence.cpp:66:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0; i < a.size(); i++)
                    ~~^~~~~~~~~~

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• Subtask 2: 9 / 9
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