oj.uz

답안 #658779

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
658779 2022-11-14T21:56:22 Z beaconmc Ice Hockey World Championship (CEOI15_bobek) C++14
40 / 100
 1000 ms 67456 KB 
#include <bits/stdc++.h>


typedef long long ll;
using namespace std;


#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)

int sus[41];

int main(){
	ll a,b,n,m;
	map<ll, ll> aa, bb;

	cin >> n >> m;
	FOR(i,0,n) cin >> sus[i];

	a = n/2;
	b = (n-1)/2 + 1;

	

	FOR(i,0,1<<a){
		ll cur = 0, temp = 0, tempi = i;
		while (tempi){
			if (tempi&1) temp += sus[cur];
			cur++;
			tempi /=2;
		}
		aa[temp] += 1;
	}



	FOR(i,0,1<<b){
		ll cur = a, temp = 0, tempi = i;
		while (tempi){
			if (tempi&1) temp += sus[cur];
			cur++;
			tempi /=2;
		}

		bb[temp] += 1;
	}


	vector<ll> aaa, bbb;
	vector<ll> aaa2,bbb2;

	ll cur = 0;

	for (auto&i : aa){
		aaa.push_back(i.first);
		aaa2.push_back(i.second);

	}
	cur = 0;

	for (auto&i : bb){
		cur += i.second;
		bbb.push_back(i.first);
		bbb2.push_back(cur);
	}

	ll ans = 0;

	FOR(i,0,aaa.size()){

		if (m-aaa[i] < 0) continue;

		ll lower = upper_bound(bbb.begin(), bbb.end(), m-aaa[i]) - bbb.begin() - 1;

		ans += bbb2[lower] * aaa2[i];
	}
	cout << ans;




}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:8:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define FOR(i, x, y) for(ll i=x; i<y; i++)
......
   70 |  FOR(i,0,aaa.size()){
      |      ~~~~~~~~~~~~~~                
bobek.cpp:70:2: note: in expansion of macro 'FOR'
   70 |  FOR(i,0,aaa.size()){
      |  ^~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 2344 KB Output is correct
2 Correct 249 ms 29388 KB Output is correct
3 Execution timed out 1090 ms 67456 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 3828 KB Output is correct
2 Correct 81 ms 10796 KB Output is correct
3 Correct 145 ms 1956 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 5 ms 212 KB Output is correct
6 Correct 33 ms 4568 KB Output is correct
7 Correct 55 ms 10816 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 156 ms 22944 KB Output is correct
2 Correct 265 ms 23648 KB Output is correct
3 Correct 303 ms 22872 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 52 ms 292 KB Output is correct
6 Correct 337 ms 3444 KB Output is correct
7 Correct 551 ms 65184 KB Output is correct

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 80 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 300 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 107 ms 276 KB Output isn't correct
2 Halted 0 ms 0 KB -