oj.uz

Submission #592824

# Submission time Handle Problem Language Result Execution time Memory
592824 2022-07-09T16:22:44 Z andrei_boaca Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 306 ms 20880 KB 
#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
ll n,v[45],m;
vector<ll> v1,v2;
vector<ll> s1,s2;
int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        cin>>v[i];
        if(i<=n/2)
            v1.push_back(v[i]);
        else
            v2.push_back(v[i]);
    }
    if(n==1)
    {
        ll ans=1;
        if(v[1]<=m)
            ans++;
        cout<<ans;
        return 0;
    }
    ll lg1=v1.size();
    for(int mask=0;mask<(1<<lg1);mask++)
    {
        ll suma=0;
        for(int i=0;i<v1.size();i++)
            if((mask>>i)&1)
                suma+=v1[i];
        if(suma<=m)
            s1.push_back(suma);
    }
    ll lg2=v2.size();
    for(int mask=0;mask<(1<<lg2);mask++)
    {
        ll suma=0;
        for(int i=0;i<v2.size();i++)
            if((mask>>i)&1)
                suma+=v2[i];
        if(suma<=m)
            s2.push_back(suma);
    }
    sort(s1.begin(),s1.end());
    reverse(s1.begin(),s1.end());
    sort(s2.begin(),s2.end());
    ll poz=0;
    ll ans=0;
    for(ll a:s1)
    {
        while(poz<s2.size()&&s2[poz]+a<=m)
            poz++;
        poz--;
        ans+=poz+1;
    }
    cout<<ans;
    return 0;
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:31:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(int i=0;i<v1.size();i++)
      |                     ~^~~~~~~~~~
bobek.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(int i=0;i<v2.size();i++)
      |                     ~^~~~~~~~~~
bobek.cpp:54:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         while(poz<s2.size()&&s2[poz]+a<=m)
      |               ~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 300 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 252 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1924 KB Output is correct
2 Correct 69 ms 5328 KB Output is correct
3 Correct 306 ms 20832 KB Output is correct
4 Correct 73 ms 5308 KB Output is correct
5 Correct 12 ms 1484 KB Output is correct
6 Correct 8 ms 944 KB Output is correct
7 Correct 7 ms 296 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 2812 KB Output is correct
2 Correct 25 ms 1940 KB Output is correct
3 Correct 122 ms 10472 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 8 ms 944 KB Output is correct
6 Correct 17 ms 1484 KB Output is correct
7 Correct 9 ms 296 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 3496 KB Output is correct
2 Correct 105 ms 6556 KB Output is correct
3 Correct 110 ms 6564 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 76 ms 6472 KB Output is correct
6 Correct 266 ms 20720 KB Output is correct
7 Correct 42 ms 276 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 12776 KB Output is correct
2 Correct 25 ms 1924 KB Output is correct
3 Correct 9 ms 940 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 6 ms 852 KB Output is correct
6 Correct 212 ms 12720 KB Output is correct
7 Correct 7 ms 212 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1888 KB Output is correct
2 Correct 83 ms 5304 KB Output is correct
3 Correct 9 ms 852 KB Output is correct
4 Correct 8 ms 852 KB Output is correct
5 Correct 78 ms 6544 KB Output is correct
6 Correct 24 ms 1872 KB Output is correct
7 Correct 112 ms 212 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 289 ms 20748 KB Output is correct
2 Correct 29 ms 1960 KB Output is correct
3 Correct 9 ms 852 KB Output is correct
4 Correct 296 ms 20880 KB Output is correct
5 Correct 96 ms 10500 KB Output is correct
6 Correct 18 ms 1484 KB Output is correct
7 Correct 15 ms 296 KB Output is correct