Submission #1174897

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174897	2025-03-27 15:19:26	Warinchai	Bank (IZhO14_bank)	C++20	100 / 100	92 ms	8636 KiB

bank

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#include<bits/stdc++.h>
using namespace std;
int notes[25];
int ppl[25];
int mx[(1<<21)+5];
int lft[(1<<21)+5];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,m;cin>>n>>m;
    for(int i=1;i<=n;i++){
        cin>>ppl[i];
    }
    for(int i=0;i<m;i++){
        cin>>notes[i];
    }
    for(int i=0;i<(1<<(m));i++){
        //cerr<<"i:"<<i<<"\n";
        for(int j=0;j<m;j++){
            if(((i>>j)&1)==0)continue;
            int prv=(i^(1<<j));
            //cerr<<prv<<" ";
            int val=mx[prv]+1;
            if(val>n){
                mx[i]=mx[prv];
                lft[i]=lft[prv];
                continue;
            }
            int have=lft[prv]+notes[j];
            if(have==ppl[val]){
 
 
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• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29