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Submission #345341

# Submission time Handle Problem Language Result Execution time Memory
345341 2021-01-07T07:45:24 Z koketsu Gift (IZhO18_nicegift) C++14
30 / 100
 2000 ms 212792 KB 
#include <bits/stdc++.h>
#define pb push_back
#define LL long long
#define Kultivator ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

const LL Mxn = 1e6 + 7;
const LL Mod = 1e9 + 7;
const LL Inf = 1e14 + 7;

LL N, A, K, Dum;

vector <vector <pair <int, int>>> Ans;

set <pair <int, int>> St;

int main() {
    Kultivator;
    cin >> N >> K;
    for(int i = 1; i <= N; i++){
        cin >> A;
        St.insert({-A, i});
        Dum += A;
    }
    if(Dum % K) return cout << -1, 0;
    while(!St.empty()){
        vector <pair <int, int>> Bam;
        for(int i = 1; i <= K; i++){
            if(!St.size()) return cout << -1, 0;
            pair <int, int> w = *(St.begin());
            St.erase(St.begin());
            Bam.pb({w.first + 1, w.second});
        }
        Ans.pb(Bam);
        for(pair <int, int> i : Bam){
            if(i.first) St.insert({i.first, i.second});
        }
    }
    cout << Ans.size() << '\n';
    for(int i = 0; i < Ans.size(); i++){
        cout << 1 << ' ';
        for(int j = 0; j < Ans[i].size(); j++){
            cout << Ans[i][j].second << ' ';
        }
        cout << '\n';
    }
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i = 0; i < Ans.size(); i++){
      |                    ~~^~~~~~~~~~~~
nicegift.cpp:43:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for(int j = 0; j < Ans[i].size(); j++){
      |                        ~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 512 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 500 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 512 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 500 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 3 ms 1004 KB n=8
9 Correct 9 ms 1192 KB n=14
10 Correct 6 ms 1004 KB n=11
11 Correct 43 ms 5408 KB n=50000
12 Correct 42 ms 5536 KB n=50000
13 Correct 35 ms 3636 KB n=10
14 Correct 32 ms 3232 KB n=685
15 Correct 34 ms 3416 KB n=623
16 Correct 19 ms 2084 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 512 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 500 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 3 ms 1004 KB n=8
9 Correct 9 ms 1192 KB n=14
10 Correct 6 ms 1004 KB n=11
11 Correct 43 ms 5408 KB n=50000
12 Correct 42 ms 5536 KB n=50000
13 Correct 35 ms 3636 KB n=10
14 Correct 32 ms 3232 KB n=685
15 Correct 34 ms 3416 KB n=623
16 Correct 19 ms 2084 KB n=973
17 Correct 31 ms 2596 KB n=989
18 Correct 15 ms 1260 KB n=563
19 Correct 25 ms 1772 KB n=592
20 Correct 23 ms 1644 KB n=938
21 Correct 18 ms 1516 KB n=747
22 Correct 21 ms 1516 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2073 ms 212792 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 512 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 500 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 3 ms 1004 KB n=8
9 Correct 9 ms 1192 KB n=14
10 Correct 6 ms 1004 KB n=11
11 Correct 43 ms 5408 KB n=50000
12 Correct 42 ms 5536 KB n=50000
13 Correct 35 ms 3636 KB n=10
14 Correct 32 ms 3232 KB n=685
15 Correct 34 ms 3416 KB n=623
16 Correct 19 ms 2084 KB n=973
17 Correct 31 ms 2596 KB n=989
18 Correct 15 ms 1260 KB n=563
19 Correct 25 ms 1772 KB n=592
20 Correct 23 ms 1644 KB n=938
21 Correct 18 ms 1516 KB n=747
22 Correct 21 ms 1516 KB n=991
23 Execution timed out 2073 ms 212792 KB Time limit exceeded
24 Halted 0 ms 0 KB -