oj.uz

Submission #378729

# Submission time Handle Problem Language Result Execution time Memory
378729 2021-03-17T03:35:51 Z i_am_noob Gift (IZhO18_nicegift) C++17
19 / 100
 453 ms 57800 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define rep(n) rep1(i,n)
#define rep1(i,n) rep2(i,0,n)
#define rep2(i,a,b) for(int i=a; i<b; ++i)
#define rep3(i,a,b) for(int i=a; i>=b; --i)
#define sz(a) ((int)a.size())
#define all(a) a.begin(),a.end()
#define pow2(x) (1ll<<(x))
#define pii pair<int,int>
#define pb push_back

#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x){cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&... y){cerr << x << ' ',_do(y...);}
#else
#define bug(...) 826
#endif

const int maxn=1000005;
const int mod=1000000007;

int n,k,a[maxn],cur;
vector<vector<int>> res;

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    #ifdef i_am_noob
    freopen("input1.txt","r",stdin);
    freopen("output1.txt","w",stdout);
    freopen("output2.txt","w",stderr);
    #endif
    cin >> n >> k;
    rep(n) cin >> a[i];
    cur=0;
    if(a[0]*n%k){
        cout << "-1\n";
        return 0;
    }
    rep(n){
        res.pb({0});
        rep1(j,k) res.back().pb(cur+1),cur=(cur+1)%n;
        if(cur==0) break;
    }
    for(auto& vec1: res) vec1[0]=a[0]*n/k/sz(res);
    cout << sz(res) << "\n";
    for(auto& vec1: res){
        for(auto i: vec1) cout << i << ' ';
        cout << "\n";
    }
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 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 364 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 364 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 453 ms 57800 KB n=1000000
2 Correct 251 ms 29200 KB n=666666
3 Correct 134 ms 15516 KB n=400000
4 Correct 382 ms 49024 KB n=285714
5 Correct 6 ms 876 KB n=20000
6 Correct 314 ms 47120 KB n=181818
7 Correct 3 ms 588 KB n=10000
8 Correct 45 ms 6508 KB n=6666
9 Correct 2 ms 492 KB n=4000
10 Correct 251 ms 32876 KB n=2857
11 Correct 1 ms 364 KB n=2000

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Not all heaps are empty in the end
2 Halted 0 ms 0 KB -