oj.uz

Submission #1101396

# Submission time Handle Problem Language Result Execution time Memory
1101396 2024-10-16T08:07:41 Z nasir_bashirov Ice Hockey World Championship (CEOI15_bobek) C++11
100 / 100
 439 ms 22952 KB 
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define db long double
#define vll vector<pll>
#define endl '\n'
#define all(x) x.begin(), x.end()
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

#define int long long

int a[45], n, m;

void fmain(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    vi v1, v2;
    vi a1, a2;
    for(int i = 1; i <= n / 2; i++){
        a1.push_back(a[i]);
    }
    for(int i = n / 2 + 1; i <= n; i++){
        a2.push_back(a[i]);
    }
    for(int mask = 0; mask < (1 << (int)a1.size()); mask++){
        int s = 0;
        for(int i = 0; i < a1.size(); i++){
            if((1 << i) & mask){
                s += a1[i];
            }
        }
        v1.push_back(s);
    }
    for(int mask = 0; mask < (1 << (int)a2.size()); mask++){
        int s = 0;
        for(int i = 0; i < a2.size(); i++){
            if((1 << i) & mask){
                s += a2[i];
            }
        }
        v2.push_back(s);
    }
    sort(all(v2));
    int res = 0;
    for(int i : v1){
        auto ind = upper_bound(all(v2), m - i);
        if(ind != v2.begin())   res += ind - v2.begin();
    }
    cout << res;
}

signed main(){
    int tmr = 1;
    //cin >> tmr;
    while(tmr--){
        fmain();
    }
}

Compilation message

bobek.cpp: In function 'void fmain()':
bobek.cpp:38:26: 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(int i = 0; i < a1.size(); i++){
      |                        ~~^~~~~~~~~~~
bobek.cpp:47:26: 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]
   47 |         for(int i = 0; i < a2.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 1 ms 336 KB Output is correct
7 Correct 1 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 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 #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 29 ms 1960 KB Output is correct
2 Correct 95 ms 6592 KB Output is correct
3 Correct 439 ms 22948 KB Output is correct
4 Correct 96 ms 6404 KB Output is correct
5 Correct 16 ms 1480 KB Output is correct
6 Correct 7 ms 972 KB Output is correct
7 Correct 14 ms 1480 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 2960 KB Output is correct
2 Correct 31 ms 1868 KB Output is correct
3 Correct 175 ms 12568 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 6 ms 972 KB Output is correct
6 Correct 14 ms 1600 KB Output is correct
7 Correct 13 ms 1600 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 4676 KB Output is correct
2 Correct 132 ms 8784 KB Output is correct
3 Correct 128 ms 8772 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 73 ms 8768 KB Output is correct
6 Correct 231 ms 22824 KB Output is correct
7 Correct 85 ms 8764 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 14900 KB Output is correct
2 Correct 26 ms 1868 KB Output is correct
3 Correct 9 ms 972 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 6 ms 972 KB Output is correct
6 Correct 179 ms 14900 KB Output is correct
7 Correct 13 ms 1480 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 1884 KB Output is correct
2 Correct 84 ms 6592 KB Output is correct
3 Correct 9 ms 972 KB Output is correct
4 Correct 9 ms 1032 KB Output is correct
5 Correct 78 ms 8764 KB Output is correct
6 Correct 22 ms 1868 KB Output is correct
7 Correct 215 ms 22952 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 325 ms 22836 KB Output is correct
2 Correct 29 ms 1868 KB Output is correct
3 Correct 10 ms 972 KB Output is correct
4 Correct 419 ms 22844 KB Output is correct
5 Correct 102 ms 12724 KB Output is correct
6 Correct 14 ms 1480 KB Output is correct
7 Correct 27 ms 2856 KB Output is correct