oj.uz

Submission #1045787

# Submission time Handle Problem Language Result Execution time Memory
1045787 2024-08-06T07:43:37 Z hirayuu_oj Uplifting Excursion (BOI22_vault) C++17
5 / 100
 614 ms 524288 KB 
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0; i<(n); i++)
#define rng(i,l,r) for(ll i=(l); i<(r); i++)
#define all(x) x.begin(),x.end()
using ll=long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll M,L;
    cin>>M>>L;
    vector<ll> A(M*2+1);
    rep(i,M*2+1) {
        cin>>A[i];
    }
    if(L<0) {
        L=-L;
        rep(i,M) {
            swap(A[i],A[M*2-i]);
        }
    }
    const ll mx=510000;
    vector<vector<ll>> dp(M+2,vector<ll>(mx+1,-(1LL<<60)));
    dp[M+1][0]=0;
    for(ll i=M; i>0; i--) {
        rep(j,i) {
            ll cnt=0;
            deque<pair<ll,ll>> deq;
            for(ll k=j; k<=mx; k+=i) {
                while(!deq.empty()&&deq.front().first<=dp[i+1][k]-cnt) {
                    deq.pop_front();
                }
                deq.push_front({dp[i+1][k]-cnt,cnt});
                if(deq.back().second<cnt-A[M+i])deq.pop_back();
                dp[i][k]=deq.back().first+cnt;
                cnt++;
            }
        }
    }
    vector<vector<ll>> dp2(M+2,vector<ll>(mx+1,-(1LL<<60)));
    dp2[M+1][0]=0;
    for(ll i=M; i>0; i--) {
        rep(j,i) {
            ll cnt=0;
            deque<pair<ll,ll>> deq;
            for(ll k=j; k<=mx; k+=i) {
                while(!deq.empty()&&deq.front().first<=dp2[i+1][k]-cnt) {
                    deq.pop_front();
                }
                deq.push_front({dp2[i+1][k]-cnt,cnt});
                if(deq.back().second<cnt-A[M-i])deq.pop_back();
                dp2[i][k]=deq.back().first+cnt;
                cnt++;
            }
        }
    }
    ll ans=-(1LL<<60);
    rng(i,L,mx) {
        ans=max(ans,dp[1][i]+dp2[1][i-L]+A[M]);
    }
    if(ans<0)cout<<"impossible\n";
    else cout<<ans<<"\n";
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36292 KB Output is correct
2 Correct 38 ms 44224 KB Output is correct
3 Correct 18 ms 28356 KB Output is correct
4 Correct 118 ms 100104 KB Output is correct
5 Correct 525 ms 419880 KB Output is correct
6 Correct 522 ms 419808 KB Output is correct
7 Correct 553 ms 420024 KB Output is correct
8 Correct 522 ms 420028 KB Output is correct
9 Correct 523 ms 419768 KB Output is correct
10 Correct 579 ms 419692 KB Output is correct
11 Correct 575 ms 420024 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36292 KB Output is correct
2 Correct 38 ms 44224 KB Output is correct
3 Correct 18 ms 28356 KB Output is correct
4 Correct 118 ms 100104 KB Output is correct
5 Correct 525 ms 419880 KB Output is correct
6 Correct 522 ms 419808 KB Output is correct
7 Correct 553 ms 420024 KB Output is correct
8 Correct 522 ms 420028 KB Output is correct
9 Correct 523 ms 419768 KB Output is correct
10 Correct 579 ms 419692 KB Output is correct
11 Correct 575 ms 420024 KB Output is correct
12 Correct 26 ms 36168 KB Output is correct
13 Correct 37 ms 44260 KB Output is correct
14 Correct 16 ms 28360 KB Output is correct
15 Correct 114 ms 100100 KB Output is correct
16 Correct 520 ms 419684 KB Output is correct
17 Correct 550 ms 419816 KB Output is correct
18 Correct 563 ms 419772 KB Output is correct
19 Correct 524 ms 419768 KB Output is correct
20 Correct 518 ms 419768 KB Output is correct
21 Correct 577 ms 419768 KB Output is correct
22 Correct 614 ms 419692 KB Output is correct
23 Runtime error 575 ms 524288 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 100164 KB Output is correct
2 Incorrect 335 ms 260728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 100164 KB Output is correct
2 Incorrect 335 ms 260728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 100164 KB Output is correct
2 Incorrect 335 ms 260728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36292 KB Output is correct
2 Correct 38 ms 44224 KB Output is correct
3 Correct 18 ms 28356 KB Output is correct
4 Correct 118 ms 100104 KB Output is correct
5 Correct 525 ms 419880 KB Output is correct
6 Correct 522 ms 419808 KB Output is correct
7 Correct 553 ms 420024 KB Output is correct
8 Correct 522 ms 420028 KB Output is correct
9 Correct 523 ms 419768 KB Output is correct
10 Correct 579 ms 419692 KB Output is correct
11 Correct 575 ms 420024 KB Output is correct
12 Correct 117 ms 100164 KB Output is correct
13 Incorrect 335 ms 260728 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 100164 KB Output is correct
2 Incorrect 335 ms 260728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36292 KB Output is correct
2 Correct 38 ms 44224 KB Output is correct
3 Correct 18 ms 28356 KB Output is correct
4 Correct 118 ms 100104 KB Output is correct
5 Correct 525 ms 419880 KB Output is correct
6 Correct 522 ms 419808 KB Output is correct
7 Correct 553 ms 420024 KB Output is correct
8 Correct 522 ms 420028 KB Output is correct
9 Correct 523 ms 419768 KB Output is correct
10 Correct 579 ms 419692 KB Output is correct
11 Correct 575 ms 420024 KB Output is correct
12 Correct 26 ms 36168 KB Output is correct
13 Correct 37 ms 44260 KB Output is correct
14 Correct 16 ms 28360 KB Output is correct
15 Correct 114 ms 100100 KB Output is correct
16 Correct 520 ms 419684 KB Output is correct
17 Correct 550 ms 419816 KB Output is correct
18 Correct 563 ms 419772 KB Output is correct
19 Correct 524 ms 419768 KB Output is correct
20 Correct 518 ms 419768 KB Output is correct
21 Correct 577 ms 419768 KB Output is correct
22 Correct 614 ms 419692 KB Output is correct
23 Runtime error 575 ms 524288 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 100164 KB Output is correct
2 Incorrect 335 ms 260728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36292 KB Output is correct
2 Correct 38 ms 44224 KB Output is correct
3 Correct 18 ms 28356 KB Output is correct
4 Correct 118 ms 100104 KB Output is correct
5 Correct 525 ms 419880 KB Output is correct
6 Correct 522 ms 419808 KB Output is correct
7 Correct 553 ms 420024 KB Output is correct
8 Correct 522 ms 420028 KB Output is correct
9 Correct 523 ms 419768 KB Output is correct
10 Correct 579 ms 419692 KB Output is correct
11 Correct 575 ms 420024 KB Output is correct
12 Correct 26 ms 36168 KB Output is correct
13 Correct 37 ms 44260 KB Output is correct
14 Correct 16 ms 28360 KB Output is correct
15 Correct 114 ms 100100 KB Output is correct
16 Correct 520 ms 419684 KB Output is correct
17 Correct 550 ms 419816 KB Output is correct
18 Correct 563 ms 419772 KB Output is correct
19 Correct 524 ms 419768 KB Output is correct
20 Correct 518 ms 419768 KB Output is correct
21 Correct 577 ms 419768 KB Output is correct
22 Correct 614 ms 419692 KB Output is correct
23 Runtime error 575 ms 524288 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -