oj.uz

답안 #259463

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
259463 2020-08-07T21:39:44 Z MatheusLealV Ice Hockey World Championship (CEOI15_bobek) C++17
50 / 100
 705 ms 25024 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long int 
 
vector<ll> masks[2]; //eu vou ordenar o segundo bloco, e pra cada cara no 1o eu faço uma BB no 2o
ll resp = 0, m, arr[40];
int n, maxmask;

int mask_roll(int l, int r, bool div){

	//calcular a mascara base
	maxmask = (1LL << (r - l + 1));

	for(int i = 0; i < maxmask; i++){

		int soma = 0, roll = i;

		for(int j = l; j <= r; j++){

			if(roll%2) soma += arr[j];
			roll >>= 1;
		}

		masks[div].push_back(soma);
	}
}

ll bb(ll num){

	//return +1
	ll val = - 1;

	int ini = 0, fim = maxmask-1;

	while(ini <= fim){

		int mid = (ini+fim)/2;

		if(masks[1][mid] + num <= m){
			val = mid;
			ini = mid+1;
		}
		else 
			fim = mid-1;
	}

	return val+1;	
}

int main(){

	cin >> n >> m;

	for(int i = 0; i < n; i++)
		cin >> arr[i];

	int mid = n/2;

	mask_roll(0, mid, 0);
	mask_roll(mid+1, n-1, 1);

	sort(masks[1].begin(), masks[1].end());

	for(int i = 0; i < (int)masks[0].size(); i++){
		resp += bb(masks[0][i]);
	}

	cout << resp << endl;

	return 0;
}

Compilation message

bobek.cpp: In function 'int mask_roll(int, int, bool)':
bobek.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 384 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 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 2420 KB Output is correct
2 Correct 145 ms 6492 KB Output is correct
3 Correct 705 ms 25024 KB Output is correct
4 Correct 143 ms 6500 KB Output is correct
5 Correct 19 ms 1908 KB Output is correct
6 Correct 9 ms 1144 KB Output is correct
7 Correct 17 ms 1908 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 63 ms 3460 KB Output is correct
2 Correct 36 ms 2420 KB Output is correct
3 Correct 283 ms 12756 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 8 ms 1144 KB Output is correct
6 Correct 17 ms 1908 KB Output is correct
7 Correct 17 ms 1908 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 4456 KB Output is correct
2 Correct 177 ms 8668 KB Output is correct
3 Correct 181 ms 8540 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 90 ms 8548 KB Output is correct
6 Correct 309 ms 25020 KB Output is correct
7 Correct 95 ms 8540 KB Output is correct

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 210 ms 16720 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 23 ms 2420 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 336 ms 25020 KB Output isn't correct
2 Halted 0 ms 0 KB -