Submission #707358

#	Time	Username	Problem	Language	Result	Execution time	Memory
707358		robertanechita1	Bank (IZhO14_bank)	C++17	100 / 100	99 ms	8524 KiB

bank

#include <bits/stdc++.h>

using namespace std;

ifstream fin("bank.in");
ofstream fout("bank.out");

int n, m, s[1005], b[1005];
pair<int, int>dp[(1 << 20) + 10];
///in dp[stare] retin ultima persoana pe care am platit o cu bancnotele din stare si suma de bani ramasa dupa ce i am platit, care trebuie sa fie fixa pt a-l plati pe urmatorul

int main()
{
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
        cin >> s[i];
    for(int i = 0; i < m; i++){
        cin >> b[i];
    }
    for(int i = 0; i < (1 << m); i++)
         dp[i] = {-1, 0};
    dp[0] = {0, 0};
    for(int stare = 0; stare < (1 << m); stare++)
        for(int j = 0; j < m; j++){
            if(!(stare & (1 << j)) && dp[stare].first != -1){
                int moneyDisp = dp[stare].second + b[j];
                int lastppl = dp[stare].first + 1;
                if(s[lastppl] == moneyDisp){
                    dp[(stare | (1 << j))].first = lastppl;
                    dp[(stare | (1 << j))].second = moneyDisp - s[lastppl];
                    if(lastppl == n){
                        cout << "YES\n";
                        return 0;
                    }
                }
                else if(s[lastppl] > moneyDisp){
                    dp[(stare | (1 << j))] = {dp[stare].first, moneyDisp};
                }
            }
        }
    cout << "NO\n";
    return 0;
}

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