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Submission #968300

# Submission time Handle Problem Language Result Execution time Memory
968300 2024-04-23T09:49:41 Z tset Bank (IZhO14_bank) C++14
100 / 100
 366 ms 21076 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long


bool dp[21][(1<<20) +42];

signed main()
{
    int nbReq, nbBillets;
    scanf("%lld%lld", &nbReq, &nbBillets);
    const int MX = 1<<nbBillets;
    vector<int> req(nbReq);
    vector<int> billets(nbBillets);
    for(int i=0; i<nbReq; i++)
        scanf("%lld", &req[i]); 
    for(int i=0; i<nbBillets; i++)
        scanf("%lld", &billets[i]);
    vector<vector<int>> occ(nbReq);
    for(int mask=0; mask<=MX; mask++)
    {
        int sum = 0;
        for(int iB=0; iB<nbBillets; iB++)
        {
            if((mask&(1<<iB)) != 0)
            {
                sum += billets[iB];
            }
        }
        for(int iR =0; iR < nbReq; iR++)
        {
            if(req[iR] == sum)
            {
                occ[iR].push_back(mask);
            }
        }
    }

    dp[0][0] = true;
    for(int iR =0; iR < nbReq; iR++)
    {
        for(int mask= 0; mask<= MX; mask++)
        {
            if(dp[iR][mask])
            {
                for(int addMask : occ[iR])
                {
                    if((mask & addMask) == 0)
                    {
                        dp[iR+1][mask|addMask] = true;
                        if(iR+1 == nbReq)
                        {
                            printf("YES\n");
                            exit(0);
                        }
                    }
                }
            }
        }
    }
    printf("NO\n");
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%lld%lld", &nbReq, &nbBillets);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("%lld", &req[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~
bank.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         scanf("%lld", &billets[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 3 ms 2396 KB Output is correct
5 Correct 70 ms 416 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 2648 KB Output is correct
8 Correct 69 ms 2384 KB Output is correct
9 Correct 75 ms 416 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8540 KB Output is correct
2 Correct 2 ms 4440 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4440 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 2 ms 8540 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 3 ms 2396 KB Output is correct
5 Correct 70 ms 416 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 2648 KB Output is correct
8 Correct 69 ms 2384 KB Output is correct
9 Correct 75 ms 416 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 8540 KB Output is correct
21 Correct 2 ms 4440 KB Output is correct
22 Correct 3 ms 10588 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 4444 KB Output is correct
27 Correct 2 ms 4440 KB Output is correct
28 Correct 2 ms 8536 KB Output is correct
29 Correct 2 ms 8540 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 80 ms 4532 KB Output is correct
32 Correct 109 ms 4620 KB Output is correct
33 Correct 75 ms 8532 KB Output is correct
34 Correct 83 ms 12712 KB Output is correct
35 Correct 79 ms 12624 KB Output is correct
36 Correct 91 ms 20816 KB Output is correct
37 Correct 71 ms 2388 KB Output is correct
38 Correct 78 ms 348 KB Output is correct
39 Correct 84 ms 8788 KB Output is correct
40 Correct 77 ms 4432 KB Output is correct
41 Correct 88 ms 4436 KB Output is correct
42 Correct 77 ms 6620 KB Output is correct
43 Correct 76 ms 8528 KB Output is correct
44 Correct 84 ms 436 KB Output is correct
45 Correct 72 ms 4540 KB Output is correct
46 Correct 76 ms 8532 KB Output is correct
47 Correct 87 ms 16720 KB Output is correct
48 Correct 77 ms 2788 KB Output is correct
49 Correct 70 ms 348 KB Output is correct
50 Correct 159 ms 20932 KB Output is correct
51 Correct 78 ms 12884 KB Output is correct
52 Correct 80 ms 12624 KB Output is correct
53 Correct 366 ms 12628 KB Output is correct
54 Correct 200 ms 20920 KB Output is correct
55 Correct 158 ms 21072 KB Output is correct
56 Correct 156 ms 20820 KB Output is correct
57 Correct 172 ms 20816 KB Output is correct
58 Correct 164 ms 21076 KB Output is correct