oj.uz

Submission #407385

# Submission time Handle Problem Language Result Execution time Memory
407385 2021-05-18T20:44:57 Z arayi Gift (IZhO18_nicegift) C++17
19 / 100
 1089 ms 23748 KB 
//Arayi
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <math.h>
#include <vector>
#include <cstring>
#include <ctime>
#include <set>
#include <bitset>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <ctime>
#include <climits>
#include <cassert>
#include <chrono>
#include <random>
#include <complex>

#define fr first
#define sc second
#define MP make_pair
#define ad push_back
#define PB push_back
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define lli long long int
#define y1 arayikhalatyan
#define j1 jigglypuff
#define ld long double
#define itn int
#define pir pair<int, int>
#define all(x) (x).begin(), (x).end()
#define str string
#define enl endl
#define en endl
#define cd complex<long double>
#define vcd vector<cd>
#define vii vector<int>
#define vlli vector<lli>
using namespace std;

lli gcd(lli a, lli b) { return (b == 0LL ? a : gcd(b, a % b)); }
ld dist(ld x, ld y1, ld x2, ld y2)
{
    return sqrt((x - x2) * (x - x2) + (y1 - y2) * (y1 - y2));
}
lli S(lli a)
{
    return (a * (a + 1LL)) / 2;
}
mt19937 rnd(363542);
char vow[] = { 'a', 'e', 'i', 'o', 'u' };
int dx[] = { 0, -1, 0, 1, -1, -1, 1, 1, 0 };
int dy[] = { -1, 0, 1, 0, -1, 1, -1, 1, 0 };


const int N = 5e6 + 30;
const lli mod = 1e9 + 7;
const ld pi = acos(-1);
const ld e = log2(3);
const int T = 1000;

lli bp(lli a, lli b = mod - 2LL)
{
    lli ret = 1;
    while (b)
    {
        if (b & 1) ret *= a, ret %= mod;
        a *= a;
        a %= mod;
        b >>= 1;
    }
    return ret;
}
ostream& operator<<(ostream& c, pir a)
{
    c << a.fr << " " << a.sc;
    return c;
}
template<class T>
void maxi(T& a, T b)
{
    a = max(a, b);
}
template <class T>
void mini(T& a, T b)
{
    a = min(a, b);
}


int n;
lli a[N], sum, k;
int main()
{
    fastio;
    cin >> n >> k;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        sum += a[i];
    }
    if (sum % k) return cout << -1 << endl, 0;
    lli s = n * k / gcd(k, n); s = sum / s;
    int i1 = 0;
    cout << sum / s / k << endl;
    for (int i = 0; i < sum / s / k; i++)
    {
        cout << s << " ";
        for (int j = 0; j < k; j++)
        {
            cout << 1 + i1++ << " ";
            i1 %= n;
        }
        cout << endl;
    }
    return 0;
}


/*

    __
  *(><)*
    \/ /
    ||/
  --||
    ||
    /\
   /  \
  /    \

*/

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Not all heaps are empty in the end
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Not all heaps are empty in the end
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Not all heaps are empty in the end
2 Halted 0 ms 0 KB -

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1089 ms 22484 KB n=1000000
2 Correct 543 ms 22488 KB n=666666
3 Correct 237 ms 12756 KB n=400000
4 Correct 712 ms 23748 KB n=285714
5 Correct 6 ms 844 KB n=20000
6 Correct 515 ms 19556 KB n=181818
7 Correct 4 ms 588 KB n=10000
8 Correct 37 ms 1980 KB n=6666
9 Correct 2 ms 332 KB n=4000
10 Correct 210 ms 9660 KB n=2857
11 Correct 1 ms 332 KB n=2000

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Not all heaps are empty in the end
2 Halted 0 ms 0 KB -