oj.uz

Submission #89515

# Submission time Handle Problem Language Result Execution time Memory
89515 2018-12-15T07:43:00 Z RAkhshon Gift (IZhO18_nicegift) C++17
0 / 100
 2000 ms 79884 KB 
#include<bits/stdc++.h>
#define ll long long
#define fr first
#define se second
using namespace std;
set< pair< ll, ll > > st;
vector< ll > ans;
int main(){
ll n, k;
cin>>n>>k;
for( ll i =1 ; i <= n ; i ++ ){
    ll x;
    cin>>x;
    st.insert({x,i});
}
/***
std::pair<ll,ll> x;
x=*st.rbegin();
st.erase(x);
***/
ans.push_back(-1);
while( st.size()>k-1 ){
        ll t = k;
        ans.push_back(1);
        while( t > 0 ){
        std::pair< ll , ll > x;
        x=*st.rbegin();
        st.erase(*st.rbegin());
        if( x.fr-1 != 0 ) st.insert({x.fr-1,x.se});
        ans.push_back(x.se);
        t--;
        }
    ///cout<<st.size()<<endl;
}
if( st.size() < k && st.size()!=0  ){
    cout<<-1;
    return 0;
}
cout<<(ans.size()-1)/(k+1)<<endl;
for( ll i = 1; i < ans.size(); i  ++ ){
    cout<<ans[i]<<' ';
    if( (i)%(k+1)==0  ) cout<<endl;

}
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:22:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 while( st.size()>k-1 ){
        ~~~~~~~~~^~~~
nicegift.cpp:35:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 if( st.size() < k && st.size()!=0  ){
     ~~~~~~~~~~^~~
nicegift.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for( ll i = 1; i < ans.size(); i  ++ ){
                ~~^~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 372 KB n=3
3 Correct 2 ms 456 KB n=3
4 Incorrect 2 ms 456 KB Same heap occurs twice
5 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 372 KB n=3
3 Correct 2 ms 456 KB n=3
4 Incorrect 2 ms 456 KB Same heap occurs twice
5 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 372 KB n=3
3 Correct 2 ms 456 KB n=3
4 Incorrect 2 ms 456 KB Same heap occurs twice
5 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2029 ms 79884 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 372 KB n=3
3 Correct 2 ms 456 KB n=3
4 Incorrect 2 ms 456 KB Same heap occurs twice
5 Halted 0 ms 0 KB -