oj.uz

Submission #622336

# Submission time Handle Problem Language Result Execution time Memory
622336 2022-08-04T07:32:38 Z rrrr10000 Uplifting Excursion (BOI22_vault) C++14
5 / 100
 2157 ms 25828 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,mx2=125000;
    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>mx2){
        ll mi=min(b[i-1]-i,(sum-mx2)/i+1);
        chmax(mi,0ll);
        sum-=mi*i;
        b[i-1]-=mi;
    }
    if(sum>mx){
        out("impossible");
        return 0;
    }
    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:73:30: 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]
   73 |     rep(i,dpa.size())if(i+sum<dpb.size())chmin(ans,dpa[i]+dpb[i+sum]);
      |                         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23748 KB Output is correct
2 Correct 46 ms 23668 KB Output is correct
3 Correct 22 ms 23788 KB Output is correct
4 Correct 122 ms 23872 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 790 ms 23776 KB Output is correct
7 Correct 792 ms 23772 KB Output is correct
8 Correct 796 ms 23756 KB Output is correct
9 Correct 759 ms 23776 KB Output is correct
10 Correct 800 ms 23768 KB Output is correct
11 Correct 754 ms 23760 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23748 KB Output is correct
2 Correct 46 ms 23668 KB Output is correct
3 Correct 22 ms 23788 KB Output is correct
4 Correct 122 ms 23872 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 790 ms 23776 KB Output is correct
7 Correct 792 ms 23772 KB Output is correct
8 Correct 796 ms 23756 KB Output is correct
9 Correct 759 ms 23776 KB Output is correct
10 Correct 800 ms 23768 KB Output is correct
11 Correct 754 ms 23760 KB Output is correct
12 Correct 32 ms 23696 KB Output is correct
13 Correct 54 ms 23780 KB Output is correct
14 Correct 24 ms 23788 KB Output is correct
15 Correct 115 ms 23768 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 819 ms 23876 KB Output is correct
18 Correct 756 ms 23884 KB Output is correct
19 Correct 762 ms 23776 KB Output is correct
20 Correct 796 ms 23764 KB Output is correct
21 Correct 753 ms 23780 KB Output is correct
22 Correct 790 ms 23884 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1862 ms 23884 KB Output is correct
25 Correct 1739 ms 23780 KB Output is correct
26 Incorrect 2157 ms 23780 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 23772 KB Output is correct
2 Correct 1084 ms 24536 KB Output is correct
3 Correct 725 ms 23884 KB Output is correct
4 Incorrect 1037 ms 25828 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 23772 KB Output is correct
2 Correct 1084 ms 24536 KB Output is correct
3 Correct 725 ms 23884 KB Output is correct
4 Incorrect 1037 ms 25828 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 23772 KB Output is correct
2 Correct 1084 ms 24536 KB Output is correct
3 Correct 725 ms 23884 KB Output is correct
4 Incorrect 1037 ms 25828 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23748 KB Output is correct
2 Correct 46 ms 23668 KB Output is correct
3 Correct 22 ms 23788 KB Output is correct
4 Correct 122 ms 23872 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 790 ms 23776 KB Output is correct
7 Correct 792 ms 23772 KB Output is correct
8 Correct 796 ms 23756 KB Output is correct
9 Correct 759 ms 23776 KB Output is correct
10 Correct 800 ms 23768 KB Output is correct
11 Correct 754 ms 23760 KB Output is correct
12 Correct 124 ms 23772 KB Output is correct
13 Correct 1084 ms 24536 KB Output is correct
14 Correct 725 ms 23884 KB Output is correct
15 Incorrect 1037 ms 25828 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 23772 KB Output is correct
2 Correct 1084 ms 24536 KB Output is correct
3 Correct 725 ms 23884 KB Output is correct
4 Incorrect 1037 ms 25828 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23748 KB Output is correct
2 Correct 46 ms 23668 KB Output is correct
3 Correct 22 ms 23788 KB Output is correct
4 Correct 122 ms 23872 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 790 ms 23776 KB Output is correct
7 Correct 792 ms 23772 KB Output is correct
8 Correct 796 ms 23756 KB Output is correct
9 Correct 759 ms 23776 KB Output is correct
10 Correct 800 ms 23768 KB Output is correct
11 Correct 754 ms 23760 KB Output is correct
12 Correct 32 ms 23696 KB Output is correct
13 Correct 54 ms 23780 KB Output is correct
14 Correct 24 ms 23788 KB Output is correct
15 Correct 115 ms 23768 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 819 ms 23876 KB Output is correct
18 Correct 756 ms 23884 KB Output is correct
19 Correct 762 ms 23776 KB Output is correct
20 Correct 796 ms 23764 KB Output is correct
21 Correct 753 ms 23780 KB Output is correct
22 Correct 790 ms 23884 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1862 ms 23884 KB Output is correct
25 Correct 1739 ms 23780 KB Output is correct
26 Incorrect 2157 ms 23780 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 23772 KB Output is correct
2 Correct 1084 ms 24536 KB Output is correct
3 Correct 725 ms 23884 KB Output is correct
4 Incorrect 1037 ms 25828 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23748 KB Output is correct
2 Correct 46 ms 23668 KB Output is correct
3 Correct 22 ms 23788 KB Output is correct
4 Correct 122 ms 23872 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 790 ms 23776 KB Output is correct
7 Correct 792 ms 23772 KB Output is correct
8 Correct 796 ms 23756 KB Output is correct
9 Correct 759 ms 23776 KB Output is correct
10 Correct 800 ms 23768 KB Output is correct
11 Correct 754 ms 23760 KB Output is correct
12 Correct 32 ms 23696 KB Output is correct
13 Correct 54 ms 23780 KB Output is correct
14 Correct 24 ms 23788 KB Output is correct
15 Correct 115 ms 23768 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 819 ms 23876 KB Output is correct
18 Correct 756 ms 23884 KB Output is correct
19 Correct 762 ms 23776 KB Output is correct
20 Correct 796 ms 23764 KB Output is correct
21 Correct 753 ms 23780 KB Output is correct
22 Correct 790 ms 23884 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1862 ms 23884 KB Output is correct
25 Correct 1739 ms 23780 KB Output is correct
26 Incorrect 2157 ms 23780 KB Output isn't correct
27 Halted 0 ms 0 KB -