Submission #881002

#	Time	Username	Problem	Language	Result	Execution time	Memory
881002		_KuroNeko_	Bank (IZhO14_bank)	C++17	100 / 100	98 ms	16984 KiB

bank

#include<bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// #define ordered_set tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update>
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
typedef long long ll;
typedef long double ldb;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<double> vdb;
typedef vector<vector<int>> vvi;
typedef vector<vector<ll>> vvl;
typedef vector<string> vs;
typedef set<int> si;
typedef set<long long> sl;
typedef set<double> sdb;
typedef set<string> ss;
typedef set<char> sc;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define ftb(i, a, b) for (int i = a, _b = b; i <= _b; ++i)
#define ft(i, a, b) for (int i = a, _b = b; i < _b; ++i)
#define fgb(i, a, b) for (int i = a, _b = b; i >= _b; --i)
#define fg(i, a, b) for (int i = a, _b = b; i > _b; --i)
#define endl "\n"
const int N = 20000;
bool dp[N + 1];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n, m;
    cin >> n >> m;
    vi a(n), c(m);
    ft(i, 0, n) {
        cin >> a[i];
    }
    ft(i, 0, m) {
        cin >> c[i];
    }
    int N = 1 << m;
    vector<pll> dp(N, { 0,0 });
    ft(i, 1, N) {
        ft(j, 0, m) {
            if (i & (1 << j)) {
                int tmp = i ^ (1 << j);
                if (dp[tmp].second + c[j] == a[dp[tmp].first]) {
                    if (dp[tmp].first + 1 > dp[i].first) {
                        dp[i].first = dp[tmp].first + 1;
                        dp[i].second = 0;
                    }
                }
                else {
                    if (dp[tmp].first > dp[i].first) {
                        dp[i].first = dp[tmp].first;
                        dp[i].second = dp[tmp].second + c[j];
                    }
                    else if (dp[tmp].first == dp[i].first) {
                        dp[i].second = dp[tmp].second + c[j];
                    }
                }
            }
        }
        if (dp[i].first == n) {
            cout << "YES" << endl;
            return 0;
        }
    }
    cout << "NO" << endl;
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29