Submission #993493

# Submission time Handle Problem Language Result Execution time Memory
993493 2024-06-05T20:00:17 Z amine_aroua Uplifting Excursion (BOI22_vault) C++17
5 / 100
5000 ms 74452 KB
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#pragma GCC optmize("O3")
#pragma GCC optmize("unroll-loops")
#define fi first
#define se second
#define ll long long
#define pb push_back
#define int long long
const int nax=205;
vector<pair<int,int>> objects;
void add(int x , int i)
{
    while(x)
    {
        int msb = 31 - __builtin_clz(x);
        if(x == (1<<(msb + 1)) - 1)
        {

            for(int j = 0 ; j <= msb ; j++)
            {
                objects.pb({(1<<j) * i, (1<<j)});
            }
            break;
        }
        int cur=0;
        for(int j = 0 ; j < msb ; j++)
        {
            cur+=(1<<j);
            objects.pb({(1<<j) * i , (1<<j)});
        }
        x-=cur;
    }
}
const int INF = 1e18;
signed main(){
    int m , L;
    cin>>m>>L;
    gp_hash_table<int ,int> dp;
    int ans = 0;
    int MX=0;
    int MN=0;
    for(int i = -m ; i <= m ; i++)
    {
        int x;
        cin>>x;
        if(i>0) MX+=x*i;
        else MN-=x*i;
        if(i == 0){
            ans=x;
        }else add(x , i);
    }
    MX=max(abs(MN),abs(MX));
    MX++;
    for(int i = -MX + 1 ; i <= MX - 1; i++)
    {
        dp[i] = -INF;
    }
    dp[0] = ans;
    sort(objects.begin(),objects.end());
    for(auto c : objects){
        if(c.fi > 0){
            for(int j = MX - 1 ; j >= -MX + 1 ; j--)
            {
                if(j - c.fi >= -MX + 1)
                    dp[j] = max(dp[j] , dp[j - c.fi] + c.se);
            }
        }else
        {
            for(int j = -MX + 1 ; j <= MX - 1 ; j++)
            {
                if(j - c.fi <= MX - 1)
                {
                    dp[j] = max(dp[j] , dp[j - c.fi] + c.se);
                }
            }
        }
    }
    if(L>=MX||L<=-MX) cout <<"impossible"<<endl;
    else if(dp[L]<=0) cout <<"impossible"<<endl;
    else cout << dp[L]<<endl;
}

Compilation message

vault.cpp:5: warning: ignoring '#pragma GCC optmize' [-Wunknown-pragmas]
    5 | #pragma GCC optmize("O3")
      | 
vault.cpp:6: warning: ignoring '#pragma GCC optmize' [-Wunknown-pragmas]
    6 | #pragma GCC optmize("unroll-loops")
      |
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 438 ms 9688 KB Output is correct
6 Correct 418 ms 9684 KB Output is correct
7 Correct 103 ms 5072 KB Output is correct
8 Correct 403 ms 9688 KB Output is correct
9 Correct 1050 ms 9700 KB Output is correct
10 Correct 3 ms 1628 KB Output is correct
11 Correct 3 ms 1056 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 438 ms 9688 KB Output is correct
6 Correct 418 ms 9684 KB Output is correct
7 Correct 103 ms 5072 KB Output is correct
8 Correct 403 ms 9688 KB Output is correct
9 Correct 1050 ms 9700 KB Output is correct
10 Correct 3 ms 1628 KB Output is correct
11 Correct 3 ms 1056 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 405 ms 9688 KB Output is correct
17 Correct 429 ms 9688 KB Output is correct
18 Correct 97 ms 5072 KB Output is correct
19 Correct 401 ms 9688 KB Output is correct
20 Correct 1039 ms 9700 KB Output is correct
21 Correct 3 ms 1628 KB Output is correct
22 Correct 2 ms 1056 KB Output is correct
23 Execution timed out 5100 ms 74452 KB Time limit exceeded
24 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 5091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 5091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 5091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 438 ms 9688 KB Output is correct
6 Correct 418 ms 9684 KB Output is correct
7 Correct 103 ms 5072 KB Output is correct
8 Correct 403 ms 9688 KB Output is correct
9 Correct 1050 ms 9700 KB Output is correct
10 Correct 3 ms 1628 KB Output is correct
11 Correct 3 ms 1056 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Execution timed out 5091 ms 348 KB Time limit exceeded
14 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 5091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 438 ms 9688 KB Output is correct
6 Correct 418 ms 9684 KB Output is correct
7 Correct 103 ms 5072 KB Output is correct
8 Correct 403 ms 9688 KB Output is correct
9 Correct 1050 ms 9700 KB Output is correct
10 Correct 3 ms 1628 KB Output is correct
11 Correct 3 ms 1056 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 405 ms 9688 KB Output is correct
17 Correct 429 ms 9688 KB Output is correct
18 Correct 97 ms 5072 KB Output is correct
19 Correct 401 ms 9688 KB Output is correct
20 Correct 1039 ms 9700 KB Output is correct
21 Correct 3 ms 1628 KB Output is correct
22 Correct 2 ms 1056 KB Output is correct
23 Execution timed out 5100 ms 74452 KB Time limit exceeded
24 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 5091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 438 ms 9688 KB Output is correct
6 Correct 418 ms 9684 KB Output is correct
7 Correct 103 ms 5072 KB Output is correct
8 Correct 403 ms 9688 KB Output is correct
9 Correct 1050 ms 9700 KB Output is correct
10 Correct 3 ms 1628 KB Output is correct
11 Correct 3 ms 1056 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 405 ms 9688 KB Output is correct
17 Correct 429 ms 9688 KB Output is correct
18 Correct 97 ms 5072 KB Output is correct
19 Correct 401 ms 9688 KB Output is correct
20 Correct 1039 ms 9700 KB Output is correct
21 Correct 3 ms 1628 KB Output is correct
22 Correct 2 ms 1056 KB Output is correct
23 Execution timed out 5100 ms 74452 KB Time limit exceeded
24 Halted 0 ms 0 KB -