oj.uz

Submission #379233

# Submission time Handle Problem Language Result Execution time Memory
379233 2021-03-17T14:36:40 Z jass921026 Gift (IZhO18_nicegift) C++14
100 / 100
 748 ms 124536 KB 
#include<bits/stdc++.h>
using namespace std;
#define jizz ios_base::sync_with_stdio(false);cin.tie(NULL);
typedef long long ll;
typedef pair<ll,int> pii;
#define F first
#define S second
#define ALL(x) (x).begin(),(x).end()
#define pb push_back
#define mkp make_pair
const int MAXN=1E6+10, MAX_OPS=3E6;
ll A[MAXN];
vector<ll> val;
vector<vector<int> > idx;
vector<int> now;
vector<pii> tmp;
int main(){ jizz
    int n, k;
    cin>>n>>k;
    ll sum=0, mxa=0;
    for(int i=1;i<=n;i++){
        cin>>A[i];
        sum+=A[i];
        mxa=max(mxa,A[i]);
    }
    if(sum%k>0){
        cout<<"-1\n";
        return 0;
    }
    if(mxa>sum/k){
        cout<<"-1\n";
        return 0;
    }
    ll cur=0;
    for(int i=1;i<=n;i++){
        if(cur==0) now.pb(i);
        cur=cur+A[i];
        if(cur>sum/k){
            now.pb(i);
            cur-=sum/k;
        }
        tmp.pb(mkp(cur,now.size()-1));
    }
    sort(ALL(tmp));
    ll last=0;
    for(int i=0;i<n;i++){
        //cout<<"hi "<<tmp[i].F<<" "<<tmp[i].S<<"\n";
        if(tmp[i].F!=last){
            val.pb(tmp[i].F-last);
            idx.pb(now);
        }
        now[tmp[i].S]++;
        last=tmp[i].F;
    }
    cout<<val.size()<<"\n";
    for(int i=0;i<val.size();i++){
        cout<<val[i]<<" ";
        for(int j=0;j<k;j++){
            cout<<idx[i][j]<<" \n"[j==k-1];
        }
    }
    return 0;
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for(int i=0;i<val.size();i++){
      |                 ~^~~~~~~~~~~

Subtask #1
7.0 / 7.0

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

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 1 ms 364 KB n=8
9 Correct 1 ms 364 KB n=14
10 Correct 1 ms 364 KB n=11
11 Correct 24 ms 4836 KB n=50000
12 Correct 32 ms 4712 KB n=50000
13 Correct 1 ms 364 KB n=10
14 Correct 1 ms 492 KB n=685
15 Correct 1 ms 492 KB n=623
16 Correct 1 ms 492 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 1 ms 364 KB n=8
9 Correct 1 ms 364 KB n=14
10 Correct 1 ms 364 KB n=11
11 Correct 24 ms 4836 KB n=50000
12 Correct 32 ms 4712 KB n=50000
13 Correct 1 ms 364 KB n=10
14 Correct 1 ms 492 KB n=685
15 Correct 1 ms 492 KB n=623
16 Correct 1 ms 492 KB n=973
17 Correct 1 ms 492 KB n=989
18 Correct 1 ms 492 KB n=563
19 Correct 3 ms 492 KB n=592
20 Correct 2 ms 492 KB n=938
21 Correct 2 ms 492 KB n=747
22 Correct 2 ms 492 KB n=991

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 567 ms 71384 KB n=1000000
2 Correct 323 ms 47968 KB n=666666
3 Correct 163 ms 25680 KB n=400000
4 Correct 344 ms 51392 KB n=285714
5 Correct 10 ms 1392 KB n=20000
6 Correct 317 ms 39376 KB n=181818
7 Correct 5 ms 1004 KB n=10000
8 Correct 34 ms 3692 KB n=6666
9 Correct 2 ms 620 KB n=4000
10 Correct 190 ms 17772 KB n=2857
11 Correct 1 ms 632 KB n=2000

Subtask #5
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 1 ms 364 KB n=8
9 Correct 1 ms 364 KB n=14
10 Correct 1 ms 364 KB n=11
11 Correct 24 ms 4836 KB n=50000
12 Correct 32 ms 4712 KB n=50000
13 Correct 1 ms 364 KB n=10
14 Correct 1 ms 492 KB n=685
15 Correct 1 ms 492 KB n=623
16 Correct 1 ms 492 KB n=973
17 Correct 1 ms 492 KB n=989
18 Correct 1 ms 492 KB n=563
19 Correct 3 ms 492 KB n=592
20 Correct 2 ms 492 KB n=938
21 Correct 2 ms 492 KB n=747
22 Correct 2 ms 492 KB n=991
23 Correct 567 ms 71384 KB n=1000000
24 Correct 323 ms 47968 KB n=666666
25 Correct 163 ms 25680 KB n=400000
26 Correct 344 ms 51392 KB n=285714
27 Correct 10 ms 1392 KB n=20000
28 Correct 317 ms 39376 KB n=181818
29 Correct 5 ms 1004 KB n=10000
30 Correct 34 ms 3692 KB n=6666
31 Correct 2 ms 620 KB n=4000
32 Correct 190 ms 17772 KB n=2857
33 Correct 1 ms 632 KB n=2000
34 Correct 19 ms 2920 KB n=23514
35 Correct 18 ms 2920 KB n=23514
36 Correct 1 ms 492 KB n=940
37 Correct 1 ms 364 KB n=2
38 Correct 87 ms 12512 KB n=100000
39 Correct 99 ms 12540 KB n=100000
40 Correct 1 ms 364 KB n=10
41 Correct 1 ms 364 KB n=100
42 Correct 6 ms 876 KB n=1000
43 Correct 595 ms 114100 KB n=1000000
44 Correct 748 ms 124536 KB n=1000000
45 Correct 519 ms 87712 KB n=666666
46 Correct 392 ms 57664 KB n=400000
47 Correct 187 ms 17516 KB n=2336
48 Correct 347 ms 51392 KB n=285714
49 Correct 291 ms 39500 KB n=181818
50 Correct 214 ms 23012 KB n=40000
51 Correct 210 ms 20992 KB n=20000
52 Correct 221 ms 18988 KB n=10000
53 Correct 191 ms 18540 KB n=6666
54 Correct 189 ms 17976 KB n=4000
55 Correct 188 ms 17772 KB n=2857
56 Correct 181 ms 16876 KB n=2000