oj.uz

Submission #726670

# Submission time Handle Problem Language Result Execution time Memory
726670 2023-04-19T08:47:04 Z fdnfksd Gift (IZhO18_nicegift) C++14
30 / 100
 140 ms 21828 KB 
#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=2e6+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll n,k,a[maxN];
void solve()
{
    cin >> n >> k;
    ll sum=0;
    for(int i=1;i<=n;i++)
    {
        cin >> a[i];
        sum+=a[i];
    }
    if(sum<=1e5)
    {
        priority_queue<pli> pq;
        for(int i=1;i<=n;i++) pq.push({a[i],i});
        vector<pli> vc;
        vc.resize(k);
        vector<vector<ll>> ans;
        while(pq.size()>=k)
        {
            vector<ll> vd;
            vd.pb(1);
            for(int i=0;i<k;i++)
            {
                vc[i]=pq.top();
                pq.pop();
                vc[i].fi--;
                vd.pb(vc[i].se);
            }
            sum-=k;
            ans.pb(vd);
            for(int i=0;i<k;i++)
            {
                if(vc[i].fi>0) pq.push(vc[i]);
            }
        }
        if(sum==0)
        {
            cout << ans.size()<<'\n';
            for(auto vec:ans)
            {
                for(auto zz:vec) cout << zz<<' ';
                cout << '\n';
            }
        }
        else cout << -1;
    }
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Compilation message

nicegift.cpp: In function 'void solve()':
nicegift.cpp:30:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   30 |         while(pq.size()>=k)
      |               ~~~~~~~~~^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 212 KB n=4
2 Correct 1 ms 212 KB n=3
3 Correct 1 ms 212 KB n=3
4 Correct 1 ms 212 KB n=4
5 Correct 4 ms 212 KB n=4
6 Correct 1 ms 212 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 212 KB n=4
2 Correct 1 ms 212 KB n=3
3 Correct 1 ms 212 KB n=3
4 Correct 1 ms 212 KB n=4
5 Correct 4 ms 212 KB n=4
6 Correct 1 ms 212 KB n=2
7 Correct 1 ms 212 KB n=5
8 Correct 3 ms 1000 KB n=8
9 Correct 8 ms 1168 KB n=14
10 Correct 5 ms 980 KB n=11
11 Correct 33 ms 4660 KB n=50000
12 Correct 31 ms 4628 KB n=50000
13 Correct 23 ms 3412 KB n=10
14 Correct 24 ms 3076 KB n=685
15 Correct 28 ms 3296 KB n=623
16 Correct 16 ms 1964 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 212 KB n=4
2 Correct 1 ms 212 KB n=3
3 Correct 1 ms 212 KB n=3
4 Correct 1 ms 212 KB n=4
5 Correct 4 ms 212 KB n=4
6 Correct 1 ms 212 KB n=2
7 Correct 1 ms 212 KB n=5
8 Correct 3 ms 1000 KB n=8
9 Correct 8 ms 1168 KB n=14
10 Correct 5 ms 980 KB n=11
11 Correct 33 ms 4660 KB n=50000
12 Correct 31 ms 4628 KB n=50000
13 Correct 23 ms 3412 KB n=10
14 Correct 24 ms 3076 KB n=685
15 Correct 28 ms 3296 KB n=623
16 Correct 16 ms 1964 KB n=973
17 Correct 25 ms 3016 KB n=989
18 Correct 27 ms 1236 KB n=563
19 Correct 16 ms 1704 KB n=592
20 Correct 23 ms 1732 KB n=938
21 Correct 14 ms 1348 KB n=747
22 Correct 16 ms 1492 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 140 ms 21828 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 212 KB n=4
2 Correct 1 ms 212 KB n=3
3 Correct 1 ms 212 KB n=3
4 Correct 1 ms 212 KB n=4
5 Correct 4 ms 212 KB n=4
6 Correct 1 ms 212 KB n=2
7 Correct 1 ms 212 KB n=5
8 Correct 3 ms 1000 KB n=8
9 Correct 8 ms 1168 KB n=14
10 Correct 5 ms 980 KB n=11
11 Correct 33 ms 4660 KB n=50000
12 Correct 31 ms 4628 KB n=50000
13 Correct 23 ms 3412 KB n=10
14 Correct 24 ms 3076 KB n=685
15 Correct 28 ms 3296 KB n=623
16 Correct 16 ms 1964 KB n=973
17 Correct 25 ms 3016 KB n=989
18 Correct 27 ms 1236 KB n=563
19 Correct 16 ms 1704 KB n=592
20 Correct 23 ms 1732 KB n=938
21 Correct 14 ms 1348 KB n=747
22 Correct 16 ms 1492 KB n=991
23 Incorrect 140 ms 21828 KB Unexpected end of file - int32 expected
24 Halted 0 ms 0 KB -