답안 #623915

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
623915	2022-08-07T00:35:35 Z	ollel	비스킷 담기 (IOI20_biscuits)	C++17	33 / 100	867 ms	2097152 KB

biscuits

using namespace std;
#include <bits/stdc++.h>

#include "biscuits.h"

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef long long ll;
typedef vector<bool> vb;
typedef pair<int,int> pii;

#define rep(i,a,b) for(int i = a; i < b; i++)
#define pb push_back


ll count_tastiness(ll x, vector<ll> a) {
	int k = a.size() + 100;
	rep(i,0,k) a.pb(0);

	rep(i,0,k-1) {
		if (a[i] <= x) continue;

		a[i + 1] += (a[i] - x) / 2;
		a[i] = x + ((a[i] - x) & 1);
	}

	vector<vector<ll>> dp(k, vector<ll>(2*x+6, 0));
	dp[0][a[0]] = 1;
	if (a[0] >= x) dp[0][a[0] - x] = 1;

	rep(i,0,k-1) rep(j,0,2*x+6) {
		dp[i+1][a[i+1] + j/2] += dp[i][j];
		if (a[i+1] + j/2 >= x) dp[i+1][a[i+1] + j/2 - x] += dp[i][j];
	}

	ll ans = 0;
	rep(j,0,2*x+6) ans += dp[k-1][j];

	return ans;
}

Subtask #1

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Runtime error	3 ms	468 KB	Execution killed with signal 6
3	Halted	0 ms	0 KB	-

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	304 KB	Output is correct
4	Correct	1 ms	216 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct

Subtask #3

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	25164 KB	Output is correct
2	Correct	55 ms	14656 KB	Output is correct
3	Correct	59 ms	15948 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	304 KB	Output is correct
8	Correct	218 ms	26068 KB	Output is correct
9	Correct	151 ms	16600 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	3 ms	652 KB	Output is correct
12	Correct	28 ms	3756 KB	Output is correct
13	Correct	220 ms	25428 KB	Output is correct

Subtask #4

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	867 ms	2097152 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Runtime error	3 ms	468 KB	Execution killed with signal 6
3	Halted	0 ms	0 KB	-