oj.uz

답안 #617873

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
617873 2022-08-01T16:00:23 Z someone 비스킷 담기 (IOI20_biscuits) C++14
100 / 100
 14 ms 1236 KB 
//#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long

const int N = 62;

ll nbOp = 0, nb[N], dp[N], constr[N];

ll get(ll i, ll val) {
    nbOp++;
    if(val < 0)
        return 0;
    if(i == 0)
        return min(constr[0], val) + 1;
    if(val >= constr[i]) {
        if(dp[i] == -1)
            dp[i] = get(i-1, val) + get(i-1, val - (1ll << i));
        return dp[i];
    }
    return get(i-1, val) + get(i-1, val - (1ll << i));
}

ll count_tastiness(ll x, vector<ll> a) {
    nbOp = 0;
    for(int i = 0; i < N; i++)
        nb[i] = 0;
    for(int i = 0; i < (int)a.size(); i++)
        nb[i] = a[i];
    constr[0] = nb[0];
    for(int i = 1; i < N; i++)
        constr[i] = constr[i-1] + (1ll << i) * nb[i];
    for(int i = 0; i < N; i++)
        constr[i] = min((1ll << (i+1)) - 1, constr[i] / x);

    for(int i = 0; i < N; i++)
        dp[i] = -1;

    for(int i = 0; i < N; i++)
        get(i, constr[i]);
    return dp[N-1];
}

Subtask #1
9.0 / 9.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 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 300 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 304 KB Output is correct

Subtask #3
21.0 / 21.0

# 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 212 KB Output is correct
4 Correct 1 ms 300 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 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 444 KB Output is correct
2 Correct 9 ms 1192 KB Output is correct
3 Correct 9 ms 1108 KB Output is correct
4 Correct 9 ms 1172 KB Output is correct
5 Correct 8 ms 1108 KB Output is correct
6 Correct 8 ms 1080 KB Output is correct
7 Correct 10 ms 1108 KB Output is correct
8 Correct 13 ms 1104 KB Output is correct
9 Correct 10 ms 1108 KB Output is correct
10 Correct 9 ms 1108 KB Output is correct

Subtask #5
23.0 / 23.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 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 300 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 300 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 3 ms 444 KB Output is correct
38 Correct 9 ms 1192 KB Output is correct
39 Correct 9 ms 1108 KB Output is correct
40 Correct 9 ms 1172 KB Output is correct
41 Correct 8 ms 1108 KB Output is correct
42 Correct 8 ms 1080 KB Output is correct
43 Correct 10 ms 1108 KB Output is correct
44 Correct 13 ms 1104 KB Output is correct
45 Correct 10 ms 1108 KB Output is correct
46 Correct 9 ms 1108 KB Output is correct
47 Correct 3 ms 340 KB Output is correct
48 Correct 12 ms 1236 KB Output is correct
49 Correct 3 ms 468 KB Output is correct
50 Correct 9 ms 1084 KB Output is correct
51 Correct 9 ms 1232 KB Output is correct
52 Correct 2 ms 340 KB Output is correct
53 Correct 7 ms 1132 KB Output is correct
54 Correct 14 ms 1108 KB Output is correct
55 Correct 11 ms 1116 KB Output is correct
56 Correct 10 ms 1204 KB Output is correct
57 Correct 11 ms 1108 KB Output is correct