Submission #1128166

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128166		alimkhan	Bank (IZhO14_bank)	C++20	100 / 100	85 ms	8624 KiB

bank

//Bismillahir-Rahmanir-Rahim
#include <bits/stdc++.h>
 
using namespace std;

#define pb push_back
#define ll long long
#define ld long double
#define dbg(x) cerr << #x << " = " << x << "\n";
#define ff first
#define ss second

/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma comment (linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
*/

const long long INF = 1e9 + 7;
const long long MOD = 1e9 + 7;
const int maxn = 1e5 + 20;
// const int lg = 20;

int n, m, a[maxn], b[maxn];
pair <int, int> dp[(1 << 20)];

void press_F_() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	for (int j = 1; j <= m; j++) {
		cin >> b[j];
	}
	dp[0] = {1, 0};
	for (int mask = 0; mask < (1 << m); mask++) {
		for (int j = 0; j < m; j++) {
			if (((mask >> j) & 1) == 0 && dp[mask].ff <= n && dp[mask].ss + b[j + 1] <= a[dp[mask].ff]) {
				int newmask = mask + (1 << j);
				int newid = dp[mask].ff;
				int sum = dp[mask].ss + b[j + 1];
				if (dp[mask].ss + b[j + 1] == a[newid]) {
					newid++;
					sum = 0;
				}
				if (dp[newmask].ff <= newid) {
					dp[newmask] = {newid, sum};
				}
			}
		}
	}
	for (int mask = 0; mask < (1 << m); mask++) {
		if (dp[mask].ff > n) {
			cout << "YES";
			return;
		}
	}
	cout << "NO";
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int T = 1;
    // cin >> T;
    for (int _ = 1; _ <= T; ++_) {
        // cout << "Case " << i << ": ";
        press_F_();
    }
    //Respa gold 2025 InshAllah
    // return 0;
}
/*
Maybe not today and tomorrow, but InshAllah one day I will reach cm
*/
// g++ -std=c++17 main.cpp
// ./a.out

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