이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include<unordered_map>
#define PI acos(-1.0)
#define pll pair<ll, ll>
#define ll long long
#define ld long double
#define endl "\n"
#define pb push_back
#define ff first
#define ss second
#define ins insert
#define pll2 pair<ll,pair<ll,ll>>
#define bit(i,k) ((k>>i)&1)
#define pii pair<int,int>
#define int long long
using namespace std;
const long long mod = 998244353;
const ll inf = 1e9;
const ll maxN = (1<<20)+5;
ll a[20],b[20];
pll dp[maxN];
void solve()
{
ll n,m;
cin>>n>>m;
dp[0]={-1,a[0]};
for(int i=0;i<n;i++){
cin>>a[i];
}
for(int i=0;i<m;i++){
cin>>b[i];
}
for(int i=0;i<(1<<m);i++){dp[i]={-1,0};}
ll idx;
for(int mask=0;mask<(1<<m);mask++){
for(int i=0;i<m;i++){
if(!bit(i,mask)){
ll nmask=mask^(1<<i);
pll here=dp[mask];
if(here.ff==n-1)continue;
if(a[here.ff+1]-here.ss>b[i]){
dp[nmask]=max(dp[nmask],{here.ff,here.ss+b[i]});
}
if(a[here.ff+1]-here.ss==b[i]){
dp[nmask]=max(dp[nmask],{here.ff+1,0});
}
}
}
}
for(int mask=0;mask<(1<<m);mask++){
// cout<<dp[mask].ff<<" "<<dp[mask].ss<<'\n';
if(dp[mask].ff==n-1){
// cout<<mask<<'\n';
cout<<"YES";return;}
}
cout<<"NO";
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// freopen("cover.inp", "r", stdin);
// freopen("cover.out", "w", stdout);
ll nhim = 1;
// cin >> nhim;
// cout<<nhim<<'\n';
while (nhim--) {
solve();
}
}
컴파일 시 표준 에러 (stderr) 메시지
bank.cpp: In function 'void solve()':
bank.cpp:35:8: warning: unused variable 'idx' [-Wunused-variable]
35 | ll idx;
| ^~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |