Submission #1086863

#	Time	Username	Problem	Language	Result	Execution time	Memory
1086863		lhlephuocdao	Bank (IZhO14_bank)	C++17	Compilation error	0 ms	0 KiB

bank

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

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

const int MAX = 20;
int N, M;
int a[MAX + 10], b[MAX + 10], l[MASK(MAX) + 10], f[MASK(MAX) + 10];
 
void solve()
{
    cin >> N >> M;
    for(int i=0; i<N; i++){
        cin >> a[i];
    }
    for(int i=0; i<M; i++){
        cin >> b[i];
    }
    memset(f, -1, sizeof f);
    f[0] = 0;
 
    for(int mask=0; mask < (1<<M); mask++)
        if(f[mask] != -1){
            for(int i=0; i < M; i++)
                if(!(mask & (1<<i))){
                    int x = b[i] + l[mask];
                    if(x < a[f[mask]]){
                        f[mask | (1<<i)] = f[mask];
                        l[mask | (1<<i)] = x;
                    }
                    else if(x == a[f[mask]]){
                        f[mask | (1<<i)] = f[mask] + 1;
                        l[mask | (1<<i)] = 0;
                    }
                    if(f[mask | (1<<i)] == N){
                        cout << "YES\n";
                        return;
                    }
                }
        }
 
    cout << "NO\n";
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
	return 0;
}

Compilation message (stderr)

bank.cpp:9:33: error: 'MASK' was not declared in this scope
    9 | int a[MAX + 10], b[MAX + 10], l[MASK(MAX) + 10], f[MASK(MAX) + 10];
      |                                 ^~~~
bank.cpp:9:52: error: 'MASK' was not declared in this scope
    9 | int a[MAX + 10], b[MAX + 10], l[MASK(MAX) + 10], f[MASK(MAX) + 10];
      |                                                    ^~~~
bank.cpp: In function 'void solve()':
bank.cpp:20:12: error: 'f' was not declared in this scope
   20 |     memset(f, -1, sizeof f);
      |            ^
bank.cpp:27:36: error: 'l' was not declared in this scope
   27 |                     int x = b[i] + l[mask];
      |                                    ^