답안 #63774 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
63774	2018-08-02T17:33:48 Z	khohko	Ice Hockey World Championship (CEOI15_bobek)	C++17	100 / 100	469 ms	17492 KB

bobek

#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

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #63774

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