Submission #92154

#	Time	Username	Problem	Language	Result	Execution time	Memory
92154		davitmarg	Gift (IZhO18_nicegift)	C++17	0 / 100	926 ms	22472 KiB

nicegift

/*
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 998244353ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
using namespace std;

LL n,k,a[1000006],d,v;

int main()
{
	cin >> n >> k;
	for (LL i = 0; i < n; i++)
		scanf("%lld",a+i);
	d = n % k + 1;
	if (a[0] % d != 0)
	{
		cout << -1 << endl;
		return 0;
	}
	cout << d * n / k;
	for (LL i = 0; i < d*n; i++)
	{
		v %= k;
		if (v == 0)
			cout<<endl << a[0] / d << " ";
		cout<<(i%n)+1<<" ";
		v++;
	}
	cout << endl;
	return 0;
}

/*

4 2
5 5 5 5

14 7
10 10 10 10 10 10 10 10 10 10 10 10 10 10

*/

Compilation message (stderr)

nicegift.cpp: In function 'int main()':
nicegift.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",a+i);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 19
• Subtask 5: 0 / 51