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Submission #679279

# Submission time Handle Problem Language Result Execution time Memory
679279 2023-01-08T01:41:30 Z Hacv16 Bank (IZhO14_bank) C++17
19 / 100
 31 ms 7528 KB 
#include<bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
 
const int MAX = 22;
const int MAXM = 30005;
const int INF = 0x3f3f3f3f;
 
int n, m, a[MAX], b[MAX], sums[1 << MAX];
bool dp[MAX][1 << MAX];
vector<int> g[MAXM];
 
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
 
    cin >> n >> m;
 
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 0; i < m; i++) cin >> b[i];
 
    for(int mask = 0; mask < (1 << m); mask++){
        int cur = 0;
 
        for(int i = 0; i < m; i++)
            if(mask & (1 << i)) cur += b[i];
 
        g[cur].emplace_back(mask);
    }
 
    dp[0][0] = true;
 
    for(int i = 1; i <= n; i++){
        for(int mask = 0; mask < (1 << m); mask++){
            for(auto sub : g[a[i]]){
                if((mask & sub) != sub || dp[i][mask]) break;
                dp[i][mask] |= (dp[i - 1][mask ^ sub]);
            }
        }
    }
 
    bool pos = false;
 
    for(int mask = 0; mask < (1 << m) && !pos; mask++)
        pos |= dp[n][mask];
 
    cout << (pos ? "YES" : "NO") << '\n';
 
    exit(0);
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 3 ms 1224 KB Output is correct
5 Correct 30 ms 7308 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 30 ms 7528 KB Output is correct
9 Correct 31 ms 7056 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 980 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1236 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 3 ms 1224 KB Output is correct
5 Correct 30 ms 7308 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 30 ms 7528 KB Output is correct
9 Correct 31 ms 7056 KB Output is correct
10 Incorrect 1 ms 980 KB Output isn't correct
11 Halted 0 ms 0 KB -