oj.uz

답안 #32661

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
32661 2017-10-13T17:26:12 Z imaxblue Ice Hockey World Championship (CEOI15_bobek) C++14
40 / 100
 303 ms 67636 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() (rand() >> 3)*rand()


int n, p, t, psa[1 << 22];
ll k, a[45], ans;
vector<pair<ll, int> > v;
void dfs(int N, ll S){
	if (S>k) return;
	if (N==20 || N==n){
		if (t==1) k-S;
		v.pb(mp(S, t));
		return;
	}
	dfs(N+1, S);
	dfs(N+1, S+a[N]);
}
int main() {
	cin >> n >> k;
	fox(l,n) cin >> a[l];
	if (n<=20){
		t++;
	} else {
		dfs(0, 0);
		t++;
		n-=20;
		fox(l, 20) a[l]=a[l+20];
	}
	dfs(0,0);
	//return 0;
	sort(v.begin(), v.end());
	psa[0]=1;
	fox(l, v.size()){
		//cout << v[l].x << endl;
		if (v[l].y==0) psa[l]++;
		else ans+=psa[l];
		psa[l+1]+=psa[l];
	}
	cout << ans;
	return 0;
}

Compilation message

bobek.cpp: In function 'void dfs(int, long long int)':
bobek.cpp:34:14: warning: statement has no effect [-Wunused-value]
   if (t==1) k-S;
              ^
bobek.cpp: In function 'int main()':
bobek.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fox(k, x) for (int k=0; k<x; ++k)
                                  ^
bobek.cpp:56:2: note: in expansion of macro 'fox'
  fox(l, v.size()){
  ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 18400 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 18400 KB Output is correct
2 Correct 0 ms 18400 KB Output is correct
3 Correct 0 ms 18400 KB Output is correct
4 Correct 0 ms 18400 KB Output is correct
5 Correct 0 ms 18400 KB Output is correct
6 Correct 0 ms 18400 KB Output is correct
7 Correct 0 ms 18400 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 21556 KB Output is correct
2 Correct 3 ms 19252 KB Output is correct
3 Correct 6 ms 20020 KB Output is correct
4 Correct 0 ms 18400 KB Output is correct
5 Correct 3 ms 20020 KB Output is correct
6 Correct 159 ms 43060 KB Output is correct
7 Correct 0 ms 18400 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 99 ms 43060 KB Output is correct
2 Correct 6 ms 20020 KB Output is correct
3 Correct 6 ms 20020 KB Output is correct
4 Correct 0 ms 18868 KB Output is correct
5 Correct 33 ms 30772 KB Output is correct
6 Correct 13 ms 21556 KB Output is correct
7 Correct 0 ms 18400 KB Output is correct

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 129 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 143 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 156 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 206 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 153 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 303 ms 67636 KB Output isn't correct
2 Halted 0 ms 0 KB -