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Submission #720152

# Submission time Handle Problem Language Result Execution time Memory
720152 2023-04-07T13:57:55 Z Rafi22 Uplifting Excursion (BOI22_vault) C++14
5 / 100
 1431 ms 972 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

const int M=207;

ll a[2*M];
ll b[2*M];

ll DP[M*M*4];

void gg()
{
    cout<<"impossible";
    exit(0);
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int m;
    ll l,sum=0,ans=0,act=0;
    cin>>m>>l;
    for(ll i=-m;i<=m;i++)
    {
        cin>>a[i+m];
        sum+=a[i+m]*i;
    }
    ans+=a[m];
    a[m]=0;
    if(sum>=l)
    {
        for(ll i=-m;i<=m;i++)
        {
            ll x;
            if(i<=0) x=a[i+m];
            else x=min(a[i+m],(l-act)/i);
            b[-i+m]+=x;
            a[i+m]-=x;
            ans+=x;
            act+=i*x;
        }
    }
    else
    {
        for(ll i=m;i>=-m;i--)
        {
            ll x;
            if(i>=0) x=a[i+m];
            else x=min(a[i+m],(l-act)/i);
            b[-i+m]+=x;
            a[i+m]-=x;
            ans+=x;
            act+=x*i;
        }
    }
    for(int i=-4*m*m;i<=4*m*m;i++) DP[i+4*m*m]=-infl;
    DP[4*m*m]=0;
    for(int i=-m;i<=m;i++)
    {
        for(int j=-4*m*m;j<=4*m*m;j++)
        {
            for(int l=1;l<=min((ll)2*m+1,a[i+m]+b[i+m]);l++)
            {
                int k=j+l*i;
                if(k<-4*m*m||k>4*m*m) continue;
                ll x=min(a[i+m],(ll)l)-max(0LL,l-a[i+m]);
                DP[k+4*m*m]=max(DP[k+4*m*m],DP[j+4*m*m]+x);
            }
        }
    }
    l-=act;
    if(l<-4*m*m||l>4*m*m) gg();
    else
    {
        if(ans+DP[l+4*m*m]<0) gg();
        cout<<ans+(ll)DP[l+4*m*m];
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 87 ms 468 KB Output is correct
6 Correct 98 ms 468 KB Output is correct
7 Correct 42 ms 468 KB Output is correct
8 Correct 93 ms 468 KB Output is correct
9 Correct 157 ms 480 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 87 ms 468 KB Output is correct
6 Correct 98 ms 468 KB Output is correct
7 Correct 42 ms 468 KB Output is correct
8 Correct 93 ms 468 KB Output is correct
9 Correct 157 ms 480 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 95 ms 484 KB Output is correct
17 Correct 97 ms 468 KB Output is correct
18 Correct 37 ms 468 KB Output is correct
19 Correct 88 ms 468 KB Output is correct
20 Correct 168 ms 468 KB Output is correct
21 Correct 6 ms 468 KB Output is correct
22 Correct 8 ms 468 KB Output is correct
23 Correct 1366 ms 940 KB Output is correct
24 Correct 1431 ms 936 KB Output is correct
25 Incorrect 497 ms 972 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 87 ms 468 KB Output is correct
6 Correct 98 ms 468 KB Output is correct
7 Correct 42 ms 468 KB Output is correct
8 Correct 93 ms 468 KB Output is correct
9 Correct 157 ms 480 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 13 ms 340 KB Output is correct
14 Incorrect 4 ms 340 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 87 ms 468 KB Output is correct
6 Correct 98 ms 468 KB Output is correct
7 Correct 42 ms 468 KB Output is correct
8 Correct 93 ms 468 KB Output is correct
9 Correct 157 ms 480 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 95 ms 484 KB Output is correct
17 Correct 97 ms 468 KB Output is correct
18 Correct 37 ms 468 KB Output is correct
19 Correct 88 ms 468 KB Output is correct
20 Correct 168 ms 468 KB Output is correct
21 Correct 6 ms 468 KB Output is correct
22 Correct 8 ms 468 KB Output is correct
23 Correct 1366 ms 940 KB Output is correct
24 Correct 1431 ms 936 KB Output is correct
25 Incorrect 497 ms 972 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 87 ms 468 KB Output is correct
6 Correct 98 ms 468 KB Output is correct
7 Correct 42 ms 468 KB Output is correct
8 Correct 93 ms 468 KB Output is correct
9 Correct 157 ms 480 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 95 ms 484 KB Output is correct
17 Correct 97 ms 468 KB Output is correct
18 Correct 37 ms 468 KB Output is correct
19 Correct 88 ms 468 KB Output is correct
20 Correct 168 ms 468 KB Output is correct
21 Correct 6 ms 468 KB Output is correct
22 Correct 8 ms 468 KB Output is correct
23 Correct 1366 ms 940 KB Output is correct
24 Correct 1431 ms 936 KB Output is correct
25 Incorrect 497 ms 972 KB Output isn't correct
26 Halted 0 ms 0 KB -