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Submission #63774

# Submission time Handle Problem Language Result Execution time Memory
63774 2018-08-02T17:33:48 Z khohko Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 469 ms 17492 KB 
#include<bits/stdc++.h>
//#pragma GCC optimize("O3")
using namespace std;
#define ll long long
#define pb push_back
#define fr first
#define sc second
#define ARRS ((ll)(2e6+500))
#define MAX ((ll)(1e6+100))
#define MOD ((ll)1e6+7)
#define mi(a,b) a=min((a),(b))

ll n,m,k,p,l,r,q;


ll a[ARRS];
ll b[ARRS];
ll s[ARRS];
ll es[ARRS];

int main(){
	#ifdef KHOKHO
			freopen("in.in","r",stdin);
			freopen("out.out","w",stdout);
	#endif
	ios::sync_with_stdio(0);
	ll S;
	cin>>n>>S;
	ll m=n/2;
	n=n-m;
	for(int i=0; i<n; i++)cin>>a[i];
	for(int i=0; i<m; i++)cin>>b[i];
	for(int i=0; i<(1<<n); i++)
		for(int t=0; t<n; t++)
			if((i>>t)&1)s[i]+=a[t];
	for(int i=0; i<(1<<m); i++)
		for(int t=0; t<m; t++)
			if((i>>t)&1)es[i]+=b[t];
	sort(s,s+(1<<n));
	sort(es,es+(1<<m));
	ll pas=0;
	for(int i=0; i<(1<<n); i++){
		pas+=upper_bound(es,es+(1<<m),S-s[i])-es;
	}
	cout<<pas;

}

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 488 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 3 ms 752 KB Output is correct
5 Correct 2 ms 836 KB Output is correct
6 Correct 2 ms 836 KB Output is correct
7 Correct 3 ms 836 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 836 KB Output is correct
2 Correct 3 ms 836 KB Output is correct
3 Correct 3 ms 880 KB Output is correct
4 Correct 3 ms 880 KB Output is correct
5 Correct 3 ms 880 KB Output is correct
6 Correct 3 ms 880 KB Output is correct
7 Correct 2 ms 880 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 880 KB Output is correct
2 Correct 4 ms 880 KB Output is correct
3 Correct 3 ms 880 KB Output is correct
4 Correct 3 ms 880 KB Output is correct
5 Correct 3 ms 880 KB Output is correct
6 Correct 3 ms 880 KB Output is correct
7 Correct 3 ms 880 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 2468 KB Output is correct
2 Correct 106 ms 4904 KB Output is correct
3 Correct 469 ms 17204 KB Output is correct
4 Correct 118 ms 17204 KB Output is correct
5 Correct 21 ms 17204 KB Output is correct
6 Correct 15 ms 17204 KB Output is correct
7 Correct 27 ms 17204 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 17204 KB Output is correct
2 Correct 45 ms 17204 KB Output is correct
3 Correct 188 ms 17204 KB Output is correct
4 Correct 2 ms 17204 KB Output is correct
5 Correct 10 ms 17204 KB Output is correct
6 Correct 33 ms 17204 KB Output is correct
7 Correct 27 ms 17204 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 17204 KB Output is correct
2 Correct 179 ms 17204 KB Output is correct
3 Correct 168 ms 17204 KB Output is correct
4 Correct 3 ms 17204 KB Output is correct
5 Correct 111 ms 17204 KB Output is correct
6 Correct 433 ms 17392 KB Output is correct
7 Correct 145 ms 17392 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 353 ms 17392 KB Output is correct
2 Correct 45 ms 17392 KB Output is correct
3 Correct 14 ms 17392 KB Output is correct
4 Correct 3 ms 17392 KB Output is correct
5 Correct 12 ms 17392 KB Output is correct
6 Correct 392 ms 17392 KB Output is correct
7 Correct 23 ms 17392 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 17392 KB Output is correct
2 Correct 112 ms 17392 KB Output is correct
3 Correct 17 ms 17392 KB Output is correct
4 Correct 16 ms 17392 KB Output is correct
5 Correct 124 ms 17392 KB Output is correct
6 Correct 38 ms 17392 KB Output is correct
7 Correct 425 ms 17392 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 434 ms 17392 KB Output is correct
2 Correct 40 ms 17392 KB Output is correct
3 Correct 15 ms 17392 KB Output is correct
4 Correct 464 ms 17492 KB Output is correct
5 Correct 148 ms 17492 KB Output is correct
6 Correct 26 ms 17492 KB Output is correct
7 Correct 52 ms 17492 KB Output is correct