Submission #977994

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
977994	2024-05-08 15:37:15	BentoOreo	Bank (IZhO14_bank)	C++14	52 / 100	1038 ms	44440 KiB

bank

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
const ll INF = numeric_limits<ll>::max();
const int inf = numeric_limits<int>::max();
const char nl = '\n', sp = ' ';
ll cantor_hash(ll x, ll y){
    ll ans = (((x + y) * (x + y + 1)) >> 1) + y;
    // cout << ans << nl;
    return ans;
}
unordered_map<ll,bool> vis;
bool f(int id, ll mask, ll val, int N, vector<ll> &salary, vector<ll> &billz ){
    if(vis.count(cantor_hash(mask,val))){
        return vis[cantor_hash(mask,val)];
    } else {
        if(id == N){
            return true;
        } else if(val == 0){
            return f(id + 1,mask,salary[id + 1], N, salary, billz);
        } else {
            int mx = upper_bound(billz.begin(),billz.end(), val) - billz.begin();
            bool flag = false;
            for(int i = 0; i < mx; i++){
                if((mask & (1 << i)) != 0){
 
 
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• Subtask 1: 0 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29