oj.uz

답안 #307706

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
307706 2020-09-29T07:21:34 Z Hemimor Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 367 ms 21024 KB 
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <random>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[8]={-1,0,1,0,1,1,-1,-1},dy[8]={0,1,0,-1,1,-1,1,-1};

vi vin(int n,int d=0){
	vi a(n);
	for(int i=0;i<n;i++){
		cin>>a[i];
		a[i]-=d;
	}
	return a;
}

vl vlin(int n,int d=0){
	vl a(n);
	for(auto &i:a){
		cin>>i;
		i-=d;
	}
	return a;
}

vvi vvin(int n,int m){
	vvi a(n,vi(m));
	for(int i=0;i<n;i++) for(auto &j:a[i]) cin>>j;
	return a;
}

vvi gin(int n,int m,int d=1){
	vvi g(n);
	for(int i=0;i<m;i++){
		int u,v;
		cin>>u>>v;
		u-=d,v-=d;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	return g;
}

void vout(vi a){
	int n=a.size();
	cout<<n<<" :";
	for(auto i:a) cout<<' '<<i;
	cout<<endl;
}

void vvout(vvi a){
	int n=a.size();
	for(int i=0;i<n;i++) vout(a[i]);
}

bool ingrid(int x,int y,int n,int m){
	return 0<=x&&x<n&&0<=y&&y<m;
}

vl f(vl a){
	int n=a.size();
	vl b;
	for(int i=0;i<1<<n;i++){
		ll x=0;
		for(int j=0;j<n;j++) if(i&1<<j) x+=a[j];
		b.push_back(x);
	}
	sort(b.begin(),b.end());
	return b;
}

ll n,m;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>m;
	vl a=vlin(n),b;
	for(int i=0;i<n/2;i++) b.push_back(a[i]);
	vl c=f(b);
	b.clear();
	for(int i=n/2;i<n;i++) b.push_back(a[i]);
	vl d=f(b);
	int I=(int)d.size()-1;
	ll res=0;
	for(auto i:c){
		while(I>=0&&i+d[I]>m) I--;
		res+=I+1;
	}
	cout<<res<<endl;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 2044 KB Output is correct
2 Correct 94 ms 5484 KB Output is correct
3 Correct 363 ms 20820 KB Output is correct
4 Correct 86 ms 5480 KB Output is correct
5 Correct 15 ms 1660 KB Output is correct
6 Correct 9 ms 1024 KB Output is correct
7 Correct 19 ms 1660 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 2928 KB Output is correct
2 Correct 30 ms 2044 KB Output is correct
3 Correct 150 ms 10592 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 7 ms 1024 KB Output is correct
6 Correct 19 ms 1660 KB Output is correct
7 Correct 20 ms 1660 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 3568 KB Output is correct
2 Correct 128 ms 6632 KB Output is correct
3 Correct 127 ms 6628 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 85 ms 6636 KB Output is correct
6 Correct 307 ms 20952 KB Output is correct
7 Correct 131 ms 6632 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 264 ms 12968 KB Output is correct
2 Correct 31 ms 2044 KB Output is correct
3 Correct 10 ms 1024 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 7 ms 1024 KB Output is correct
6 Correct 261 ms 12908 KB Output is correct
7 Correct 19 ms 1660 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 2044 KB Output is correct
2 Correct 87 ms 5524 KB Output is correct
3 Correct 10 ms 1024 KB Output is correct
4 Correct 10 ms 1024 KB Output is correct
5 Correct 93 ms 6756 KB Output is correct
6 Correct 30 ms 2044 KB Output is correct
7 Correct 355 ms 20948 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 367 ms 21024 KB Output is correct
2 Correct 30 ms 2044 KB Output is correct
3 Correct 10 ms 1024 KB Output is correct
4 Correct 357 ms 20820 KB Output is correct
5 Correct 120 ms 10588 KB Output is correct
6 Correct 20 ms 1660 KB Output is correct
7 Correct 39 ms 2936 KB Output is correct