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Submission #1101418

# Submission time Handle Problem Language Result Execution time Memory
1101418 2024-10-16T08:22:40 Z Fikrat_Asadzadeh Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 421 ms 22972 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define FORI(i, n) for(ll i = 0; i < n; i++)
#define FOR(i, n) for(ll i = 1; i <= n; i++)
typedef vector<ll> vl;
typedef set<ll> setl;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define pll pair<ll, ll>
#define db double
#define nll cout << "\n"
#define nl "\n"
#define sync ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

const ll INF = 1e9 + 7;
const int MAX = 3e5 + 5;
ll n, m, k;
ll a[MAX];
void solve(){ 
    cin >> n >> m;
    FOR(i, n)cin >> a[i];
    vl v1, v2;
    FOR(i, n / 2)v1.push_back(a[i]);
    vl a1, a2;
    for(ll i = n / 2 + 1; i <= n; i++)v2.push_back(a[i]);
    for(ll mask = 0; mask < (1 << v1.size()); mask++){
        ll sum = 0;
        for(ll i = 0; i < v1.size(); i++){
            if((1 << i) & mask)sum += v1[i ];
        }
        a1.push_back(sum);
    }
     for(ll mask = 0; mask < (1 << v2.size()); mask++){
        ll sum = 0;
        for(ll i = 0; i < v2.size(); i++){
            if((1 << i) & mask)sum += v2[i];
        }
        a2.push_back(sum);
    }
    sort(all(a2));
    ll res = 0;
    for(auto i : a1){
        res += (upper_bound(all(a2), m - i) - a2.begin());
    }
    cout << res << nl;
}
signed main(){
    sync;
    ll t = 1;
    // cin >> t;
    while(t--) {
        solve();
    }
}

Compilation message

bobek.cpp: In function 'void solve()':
bobek.cpp:31:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(ll i = 0; i < v1.size(); i++){
      |                       ~~^~~~~~~~~~~
bobek.cpp:38:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(ll i = 0; i < v2.size(); i++){
      |                       ~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 504 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 2080 KB Output is correct
2 Correct 93 ms 6600 KB Output is correct
3 Correct 407 ms 22960 KB Output is correct
4 Correct 91 ms 6524 KB Output is correct
5 Correct 13 ms 1744 KB Output is correct
6 Correct 7 ms 1104 KB Output is correct
7 Correct 13 ms 1920 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 3020 KB Output is correct
2 Correct 29 ms 2132 KB Output is correct
3 Correct 168 ms 12732 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 6 ms 1104 KB Output is correct
6 Correct 16 ms 1628 KB Output is correct
7 Correct 13 ms 1744 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 4688 KB Output is correct
2 Correct 132 ms 8772 KB Output is correct
3 Correct 132 ms 8804 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 76 ms 8804 KB Output is correct
6 Correct 210 ms 22960 KB Output is correct
7 Correct 87 ms 8780 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 14908 KB Output is correct
2 Correct 26 ms 2132 KB Output is correct
3 Correct 10 ms 1104 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 7 ms 1092 KB Output is correct
6 Correct 181 ms 14912 KB Output is correct
7 Correct 13 ms 1912 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 2132 KB Output is correct
2 Correct 89 ms 6560 KB Output is correct
3 Correct 9 ms 1104 KB Output is correct
4 Correct 9 ms 992 KB Output is correct
5 Correct 87 ms 8564 KB Output is correct
6 Correct 22 ms 2132 KB Output is correct
7 Correct 217 ms 22960 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 329 ms 22960 KB Output is correct
2 Correct 29 ms 2132 KB Output is correct
3 Correct 9 ms 1104 KB Output is correct
4 Correct 421 ms 22972 KB Output is correct
5 Correct 104 ms 12728 KB Output is correct
6 Correct 14 ms 1744 KB Output is correct
7 Correct 26 ms 3020 KB Output is correct