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Submission #53334

# Submission time Handle Problem Language Result Execution time Memory
53334 2018-06-29T13:09:06 Z TAMREF Ice Hockey World Championship (CEOI15_bobek) C++11
100 / 100
 587 ms 21272 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

vector<ll> A, B;
int n;
ll m;
ll price_a[20], price_b[20];

int main(){
    cin >> n >> m;
    for(int i = 0; i < n/2; i++){
        cin >> price_a[i];
    }
    for(int i = 0; i < (n+1)/2; i++){
        cin >> price_b[i];
    }
    for(int b = 0; b < (1 << n/2); b++){
        ll subset_sum = 0;
        for(int i = 0; i < n/2; i++){
            if(b >> i & 1){
                subset_sum += price_a[i];
            }
        }
        A.push_back(subset_sum);
    }
    for(int b = 0; b < (1 << (n+1)/2); b++){
        ll subset_sum = 0;
        for(int i = 0; i < (n+1)/2; i++){
            if(b >> i & 1){
                subset_sum += price_b[i];
            }
        }
        B.push_back(subset_sum);
    }
    sort(A.begin(),A.end());

    ll ans = 0;
    for(ll &b : B){
        ans += upper_bound(A.begin(),A.end(),m-b) - A.begin();
    }
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 412 KB Output is correct
3 Correct 2 ms 444 KB Output is correct
4 Correct 2 ms 444 KB Output is correct
5 Correct 3 ms 444 KB Output is correct
6 Correct 2 ms 444 KB Output is correct
7 Correct 3 ms 444 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 520 KB Output is correct
2 Correct 3 ms 520 KB Output is correct
3 Correct 3 ms 524 KB Output is correct
4 Correct 2 ms 528 KB Output is correct
5 Correct 2 ms 708 KB Output is correct
6 Correct 3 ms 708 KB Output is correct
7 Correct 2 ms 720 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 720 KB Output is correct
2 Correct 2 ms 720 KB Output is correct
3 Correct 3 ms 720 KB Output is correct
4 Correct 2 ms 720 KB Output is correct
5 Correct 4 ms 720 KB Output is correct
6 Correct 3 ms 720 KB Output is correct
7 Correct 2 ms 720 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 2316 KB Output is correct
2 Correct 133 ms 5760 KB Output is correct
3 Correct 581 ms 21100 KB Output is correct
4 Correct 125 ms 21100 KB Output is correct
5 Correct 20 ms 21100 KB Output is correct
6 Correct 10 ms 21100 KB Output is correct
7 Correct 19 ms 21100 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 21100 KB Output is correct
2 Correct 52 ms 21100 KB Output is correct
3 Correct 267 ms 21100 KB Output is correct
4 Correct 3 ms 21100 KB Output is correct
5 Correct 10 ms 21100 KB Output is correct
6 Correct 19 ms 21100 KB Output is correct
7 Correct 19 ms 21100 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 21100 KB Output is correct
2 Correct 209 ms 21100 KB Output is correct
3 Correct 195 ms 21100 KB Output is correct
4 Correct 2 ms 21100 KB Output is correct
5 Correct 96 ms 21100 KB Output is correct
6 Correct 315 ms 21100 KB Output is correct
7 Correct 105 ms 21100 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 440 ms 21100 KB Output is correct
2 Correct 44 ms 21100 KB Output is correct
3 Correct 15 ms 21100 KB Output is correct
4 Correct 2 ms 21100 KB Output is correct
5 Correct 12 ms 21100 KB Output is correct
6 Correct 249 ms 21100 KB Output is correct
7 Correct 19 ms 21100 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 21100 KB Output is correct
2 Correct 124 ms 21100 KB Output is correct
3 Correct 13 ms 21100 KB Output is correct
4 Correct 13 ms 21100 KB Output is correct
5 Correct 118 ms 21100 KB Output is correct
6 Correct 29 ms 21100 KB Output is correct
7 Correct 344 ms 21168 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 502 ms 21208 KB Output is correct
2 Correct 44 ms 21208 KB Output is correct
3 Correct 13 ms 21208 KB Output is correct
4 Correct 587 ms 21272 KB Output is correct
5 Correct 138 ms 21272 KB Output is correct
6 Correct 20 ms 21272 KB Output is correct
7 Correct 42 ms 21272 KB Output is correct