oj.uz

Submission #500223

# Submission time Handle Problem Language Result Execution time Memory
500223 2021-12-30T13:20:54 Z armashka Bank (IZhO14_bank) C++17
71 / 100
 1000 ms 604 KB 
#include <bits/stdc++.h>
 
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
#define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define all(v) v.begin(),v.end()
#define pb push_back
#define sz size()
#define ft first
#define sd second
 
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
 
const int N = 1e5 + 5;
const ll M = 1e8;
const ll inf = 1e18;
const ll mod = 1e9;
const double Pi = acos(-1); 
 
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }            

ll n, m, a[25], b[25];
vector <ll> v[25];
bool used[N];

void dfs(ll vv, ll dis) {
	int to = vv + 1;
	used[vv] = 1;
	for (auto x : v[to]) {
		//cout << vv << " " << to << " -> " << dis << "\n";
		if ((dis & x) == 0) {
			dfs(to, dis ^ x);
		}
	}
}

const void solve(/*Armashka*/) {
	cin >> n >> m;
	for (int i = 1; i <= n; ++ i) cin >> a[i];
	for (int j = 1; j <= m; ++ j) cin >> b[j];
	for (int mask = 0; mask < (1 << m); ++ mask) {
		ll sum = 0;
		for (int i = 1; i <= m; ++ i) {
			if (mask & (1 << (i - 1))) sum += b[i];
		}
		for (int i = 1; i <= n; ++ i) {
			if (sum == a[i]) v[i].pb(mask);
		}
	}
	for (auto x : v[1]) {
		dfs(1, x);
	}
	if (used[n]) cout << "YES\n";
	else cout << "NO\n";
}
            
signed main() {
    fast;
    //freopen("threesum.in", "r", stdin);
    //freopen("threesum.out", "w", stdout);
    int tt = 1;
    //cin >> tt;
    while (tt --) {                                                             
        solve();
    }
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 55 ms 292 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 54 ms 344 KB Output is correct
9 Correct 53 ms 204 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 320 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 0 ms 204 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 2 ms 204 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 55 ms 292 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 54 ms 344 KB Output is correct
9 Correct 53 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 320 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 324 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 2 ms 204 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 2 ms 204 KB Output is correct
31 Correct 56 ms 328 KB Output is correct
32 Execution timed out 1076 ms 604 KB Time limit exceeded
33 Halted 0 ms 0 KB -