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답안 #622317

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
622317 2022-08-04T07:11:55 Z rrrr10000 Uplifting Excursion (BOI22_vault) C++14
20 / 100
 2348 ms 25804 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define pb emplace_back
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
template<class T> void out(T a){cout<<a<<endl;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
const ll inf=1001001001001001001;

int main(){
    ll n,K;cin>>n>>K;
    ll tot=0,sum=0;
    vi a(n),b(n);
    rep(i,n)cin>>a[i];
    cin>>tot;
    rep(i,n)cin>>b[i];
    reverse(all(a));
    rep(i,n)sum-=a[i]*(i+1);
    rep(i,n)sum+=b[i]*(i+1);
    rep(i,n)tot+=a[i];
    rep(i,n)tot+=b[i];
    sum-=K;
    if(sum<0){
        sum*=-1;swap(a,b);
    }
    ll mx=1000000;
    auto sol=[&](vi v){
        vi dp(mx+1,inf);dp[0]=0;
        REP(i,1,v.size()+1){
            vi ndp=dp;
            rep(j,i){
                deque<ll> deq;
                for(ll k=j;k<=mx;k+=i){
                    if(dp[k]!=inf){
                        while(deq.size()&&dp[deq.back()]-deq.back()/i>=dp[k]-k/i)deq.pop_back();
                        deq.pb(k);
                    }
                    while(deq.size()&&deq.front()<k-i*v[i-1])deq.pop_front();
                    if(deq.size())chmin(ndp[k],dp[deq.front()]+(k-deq.front())/i);
                }
            }
            dp=ndp;
        }
        return dp;
    };
    for(int i=n;i>0;i--)if(sum>=mx/2){
        ll mi=min(b[i-1]-i,(sum-mx/2)/i+1);
        chmax(mi,0ll);
        sum-=mi*i;
        b[i-1]-=mi;
    }
    vi dpa=sol(a);
    vi dpb=sol(b);
    ll ans=inf;
    rep(i,dpa.size())if(i+sum<dpb.size())chmin(ans,dpa[i]+dpb[i+sum]);
    if(ans==inf)out("impossible");
    else out(tot-ans);
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:69:30: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     rep(i,dpa.size())if(i+sum<dpb.size())chmin(ans,dpa[i]+dpb[i+sum]);
      |                         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23784 KB Output is correct
2 Correct 42 ms 23780 KB Output is correct
3 Correct 26 ms 23700 KB Output is correct
4 Correct 130 ms 23880 KB Output is correct
5 Correct 814 ms 23760 KB Output is correct
6 Correct 892 ms 23756 KB Output is correct
7 Correct 837 ms 23780 KB Output is correct
8 Correct 790 ms 23908 KB Output is correct
9 Correct 940 ms 23756 KB Output is correct
10 Correct 860 ms 23764 KB Output is correct
11 Correct 811 ms 23760 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23784 KB Output is correct
2 Correct 42 ms 23780 KB Output is correct
3 Correct 26 ms 23700 KB Output is correct
4 Correct 130 ms 23880 KB Output is correct
5 Correct 814 ms 23760 KB Output is correct
6 Correct 892 ms 23756 KB Output is correct
7 Correct 837 ms 23780 KB Output is correct
8 Correct 790 ms 23908 KB Output is correct
9 Correct 940 ms 23756 KB Output is correct
10 Correct 860 ms 23764 KB Output is correct
11 Correct 811 ms 23760 KB Output is correct
12 Correct 31 ms 23792 KB Output is correct
13 Correct 40 ms 23784 KB Output is correct
14 Correct 22 ms 23788 KB Output is correct
15 Correct 133 ms 23768 KB Output is correct
16 Correct 823 ms 23776 KB Output is correct
17 Correct 833 ms 23780 KB Output is correct
18 Correct 762 ms 23764 KB Output is correct
19 Correct 815 ms 23768 KB Output is correct
20 Correct 802 ms 23760 KB Output is correct
21 Correct 832 ms 23820 KB Output is correct
22 Correct 842 ms 23788 KB Output is correct
23 Correct 2058 ms 23776 KB Output is correct
24 Correct 2033 ms 23760 KB Output is correct
25 Correct 1809 ms 23756 KB Output is correct
26 Correct 2254 ms 23780 KB Output is correct
27 Correct 2348 ms 23764 KB Output is correct
28 Correct 1755 ms 23780 KB Output is correct
29 Correct 1659 ms 23760 KB Output is correct

Subtask #3-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 23776 KB Output is correct
2 Correct 1030 ms 24392 KB Output is correct
3 Correct 729 ms 23856 KB Output is correct
4 Incorrect 1082 ms 25804 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 23776 KB Output is correct
2 Correct 1030 ms 24392 KB Output is correct
3 Correct 729 ms 23856 KB Output is correct
4 Incorrect 1082 ms 25804 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 23776 KB Output is correct
2 Correct 1030 ms 24392 KB Output is correct
3 Correct 729 ms 23856 KB Output is correct
4 Incorrect 1082 ms 25804 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23784 KB Output is correct
2 Correct 42 ms 23780 KB Output is correct
3 Correct 26 ms 23700 KB Output is correct
4 Correct 130 ms 23880 KB Output is correct
5 Correct 814 ms 23760 KB Output is correct
6 Correct 892 ms 23756 KB Output is correct
7 Correct 837 ms 23780 KB Output is correct
8 Correct 790 ms 23908 KB Output is correct
9 Correct 940 ms 23756 KB Output is correct
10 Correct 860 ms 23764 KB Output is correct
11 Correct 811 ms 23760 KB Output is correct
12 Correct 117 ms 23776 KB Output is correct
13 Correct 1030 ms 24392 KB Output is correct
14 Correct 729 ms 23856 KB Output is correct
15 Incorrect 1082 ms 25804 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 23776 KB Output is correct
2 Correct 1030 ms 24392 KB Output is correct
3 Correct 729 ms 23856 KB Output is correct
4 Incorrect 1082 ms 25804 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23784 KB Output is correct
2 Correct 42 ms 23780 KB Output is correct
3 Correct 26 ms 23700 KB Output is correct
4 Correct 130 ms 23880 KB Output is correct
5 Correct 814 ms 23760 KB Output is correct
6 Correct 892 ms 23756 KB Output is correct
7 Correct 837 ms 23780 KB Output is correct
8 Correct 790 ms 23908 KB Output is correct
9 Correct 940 ms 23756 KB Output is correct
10 Correct 860 ms 23764 KB Output is correct
11 Correct 811 ms 23760 KB Output is correct
12 Correct 31 ms 23792 KB Output is correct
13 Correct 40 ms 23784 KB Output is correct
14 Correct 22 ms 23788 KB Output is correct
15 Correct 133 ms 23768 KB Output is correct
16 Correct 823 ms 23776 KB Output is correct
17 Correct 833 ms 23780 KB Output is correct
18 Correct 762 ms 23764 KB Output is correct
19 Correct 815 ms 23768 KB Output is correct
20 Correct 802 ms 23760 KB Output is correct
21 Correct 832 ms 23820 KB Output is correct
22 Correct 842 ms 23788 KB Output is correct
23 Correct 2058 ms 23776 KB Output is correct
24 Correct 2033 ms 23760 KB Output is correct
25 Correct 1809 ms 23756 KB Output is correct
26 Correct 2254 ms 23780 KB Output is correct
27 Correct 2348 ms 23764 KB Output is correct
28 Correct 1755 ms 23780 KB Output is correct
29 Correct 1659 ms 23760 KB Output is correct
30 Correct 117 ms 23776 KB Output is correct
31 Correct 1030 ms 24392 KB Output is correct
32 Correct 729 ms 23856 KB Output is correct
33 Incorrect 1082 ms 25804 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 23776 KB Output is correct
2 Correct 1030 ms 24392 KB Output is correct
3 Correct 729 ms 23856 KB Output is correct
4 Incorrect 1082 ms 25804 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23784 KB Output is correct
2 Correct 42 ms 23780 KB Output is correct
3 Correct 26 ms 23700 KB Output is correct
4 Correct 130 ms 23880 KB Output is correct
5 Correct 814 ms 23760 KB Output is correct
6 Correct 892 ms 23756 KB Output is correct
7 Correct 837 ms 23780 KB Output is correct
8 Correct 790 ms 23908 KB Output is correct
9 Correct 940 ms 23756 KB Output is correct
10 Correct 860 ms 23764 KB Output is correct
11 Correct 811 ms 23760 KB Output is correct
12 Correct 31 ms 23792 KB Output is correct
13 Correct 40 ms 23784 KB Output is correct
14 Correct 22 ms 23788 KB Output is correct
15 Correct 133 ms 23768 KB Output is correct
16 Correct 823 ms 23776 KB Output is correct
17 Correct 833 ms 23780 KB Output is correct
18 Correct 762 ms 23764 KB Output is correct
19 Correct 815 ms 23768 KB Output is correct
20 Correct 802 ms 23760 KB Output is correct
21 Correct 832 ms 23820 KB Output is correct
22 Correct 842 ms 23788 KB Output is correct
23 Correct 2058 ms 23776 KB Output is correct
24 Correct 2033 ms 23760 KB Output is correct
25 Correct 1809 ms 23756 KB Output is correct
26 Correct 2254 ms 23780 KB Output is correct
27 Correct 2348 ms 23764 KB Output is correct
28 Correct 1755 ms 23780 KB Output is correct
29 Correct 1659 ms 23760 KB Output is correct
30 Correct 117 ms 23776 KB Output is correct
31 Correct 1030 ms 24392 KB Output is correct
32 Correct 729 ms 23856 KB Output is correct
33 Incorrect 1082 ms 25804 KB Output isn't correct
34 Halted 0 ms 0 KB -