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답안 #679223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
679223 2023-01-07T19:05:39 Z vjudge1 은행 (IZhO14_bank) C++17
100 / 100
 315 ms 90316 KB 
#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define ull unsigned long long
#define oo 1e9

vector<vector<int>> convertToMask(20001);
int arr[20];
int dp[1 << 20][20];

int n;

bool rec(int mask, int i){
    if(i == n){
        return true;
    }
    if(dp[mask][i] != -1) return dp[mask][i];
    for (int j : convertToMask[arr[i]])
    {
        if((mask & j) == 0){
            if(rec(mask + j, i + 1)){
                return dp[mask][i] = true;
            }
        }
    }
    return dp[mask][i] = false;
}

int main(){
    memset(dp, -1, sizeof(dp));
    int m; cin >> n >> m;
    int banknotes[m];
    for (int i = 0; i < n; i++)
    {
        cin >> arr[i];
    }
    for (int i = 0; i < m; i++)
    {
        cin >> banknotes[i];
    }
    for (int mask = 1; mask < (1 << m); mask++)
    {
        int sum = 0;
        for (int i = 0; i < m; i++)
        {
            if(mask & (1 << i)){
                sum += banknotes[i];
            }
        }
        convertToMask[sum].push_back(mask);
    }
    bool ans = rec(0, 0);
    if(ans) cout << "YES";
    else cout << "NO";
}

Compilation message

bank.cpp: In function 'bool rec(int, int)':
bank.cpp:23:36: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   23 |                 return dp[mask][i] = true;
      |                        ~~~~~~~~~~~~^~~~~~
bank.cpp:27:24: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   27 |     return dp[mask][i] = false;
      |            ~~~~~~~~~~~~^~~~~~~

Subtask #1
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 82768 KB Output is correct
2 Correct 30 ms 82772 KB Output is correct
3 Correct 30 ms 82856 KB Output is correct
4 Correct 33 ms 83096 KB Output is correct
5 Correct 88 ms 89272 KB Output is correct
6 Correct 31 ms 82780 KB Output is correct
7 Correct 35 ms 82776 KB Output is correct
8 Correct 89 ms 88316 KB Output is correct
9 Correct 89 ms 88696 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 82892 KB Output is correct
2 Correct 30 ms 82872 KB Output is correct
3 Correct 33 ms 82772 KB Output is correct
4 Correct 33 ms 82832 KB Output is correct
5 Correct 31 ms 82836 KB Output is correct
6 Correct 31 ms 82824 KB Output is correct
7 Correct 33 ms 82844 KB Output is correct
8 Correct 30 ms 82764 KB Output is correct
9 Correct 30 ms 82772 KB Output is correct
10 Correct 30 ms 82760 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 82900 KB Output is correct
2 Correct 31 ms 82892 KB Output is correct
3 Correct 32 ms 82972 KB Output is correct
4 Correct 31 ms 82892 KB Output is correct
5 Correct 32 ms 82940 KB Output is correct
6 Correct 32 ms 82952 KB Output is correct
7 Correct 32 ms 82892 KB Output is correct
8 Correct 32 ms 82920 KB Output is correct
9 Correct 33 ms 82948 KB Output is correct
10 Correct 32 ms 83028 KB Output is correct
11 Correct 32 ms 82856 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 82768 KB Output is correct
2 Correct 30 ms 82772 KB Output is correct
3 Correct 30 ms 82856 KB Output is correct
4 Correct 33 ms 83096 KB Output is correct
5 Correct 88 ms 89272 KB Output is correct
6 Correct 31 ms 82780 KB Output is correct
7 Correct 35 ms 82776 KB Output is correct
8 Correct 89 ms 88316 KB Output is correct
9 Correct 89 ms 88696 KB Output is correct
10 Correct 32 ms 82892 KB Output is correct
11 Correct 30 ms 82872 KB Output is correct
12 Correct 33 ms 82772 KB Output is correct
13 Correct 33 ms 82832 KB Output is correct
14 Correct 31 ms 82836 KB Output is correct
15 Correct 31 ms 82824 KB Output is correct
16 Correct 33 ms 82844 KB Output is correct
17 Correct 30 ms 82764 KB Output is correct
18 Correct 30 ms 82772 KB Output is correct
19 Correct 30 ms 82760 KB Output is correct
20 Correct 32 ms 82900 KB Output is correct
21 Correct 31 ms 82892 KB Output is correct
22 Correct 32 ms 82972 KB Output is correct
23 Correct 31 ms 82892 KB Output is correct
24 Correct 32 ms 82940 KB Output is correct
25 Correct 32 ms 82952 KB Output is correct
26 Correct 32 ms 82892 KB Output is correct
27 Correct 32 ms 82920 KB Output is correct
28 Correct 33 ms 82948 KB Output is correct
29 Correct 32 ms 83028 KB Output is correct
30 Correct 32 ms 82856 KB Output is correct
31 Correct 91 ms 89292 KB Output is correct
32 Correct 89 ms 88540 KB Output is correct
33 Correct 91 ms 89028 KB Output is correct
34 Correct 95 ms 89340 KB Output is correct
35 Correct 100 ms 90316 KB Output is correct
36 Correct 96 ms 89768 KB Output is correct
37 Correct 94 ms 90152 KB Output is correct
38 Correct 94 ms 89792 KB Output is correct
39 Correct 89 ms 87720 KB Output is correct
40 Correct 92 ms 89804 KB Output is correct
41 Correct 95 ms 89192 KB Output is correct
42 Correct 92 ms 88320 KB Output is correct
43 Correct 98 ms 90060 KB Output is correct
44 Correct 99 ms 90188 KB Output is correct
45 Correct 91 ms 88996 KB Output is correct
46 Correct 98 ms 90100 KB Output is correct
47 Correct 98 ms 89652 KB Output is correct
48 Correct 90 ms 88540 KB Output is correct
49 Correct 91 ms 88780 KB Output is correct
50 Correct 90 ms 87916 KB Output is correct
51 Correct 90 ms 88588 KB Output is correct
52 Correct 89 ms 87680 KB Output is correct
53 Correct 89 ms 87640 KB Output is correct
54 Correct 89 ms 87912 KB Output is correct
55 Correct 89 ms 87836 KB Output is correct
56 Correct 90 ms 88444 KB Output is correct
57 Correct 315 ms 88268 KB Output is correct
58 Correct 87 ms 88232 KB Output is correct