oj.uz

답안 #595677

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
595677 2022-07-14T00:35:06 Z definitelynotmee Uplifting Excursion (BOI22_vault) C++
20 / 100
 1199 ms 4308 KB 
#include<bits/stdc++.h>
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<typename T>
using matrix = vector<vector<T>>;
const int INF = 1<<30;
const int MAXVAL = 505050;

struct smartvec{
    vector<int> dp;
    smartvec(){
        dp = vector<int>(2*MAXVAL+1,-INF);
    }
    int& operator[](int id){
        return dp[id+MAXVAL];
    }
};

int main() {
    cin.tie(0)->sync_with_stdio(0);

    ll m, l;
    cin >> m >> l;
    if(abs(l) >= MAXVAL){
        cout << "impossible\n";
        return 0;
    }

    vector<pll> v;

    for(int i = -m; i <= m; i++){
        int in;
        cin >> in;
        for(int bit = 0; in; bit++){
            int ct = min(1<<bit,in);
            v.push_back({i*ct,ct});
            in-=ct;
        }
    }
    smartvec dp;
    dp[0] = 0;
    
    for(pii i : v){
        if(i.ff >= 0){
            for(int x = MAXVAL-1; x >= -MAXVAL+i.ff; x--){
                dp[x] = max(dp[x],dp[x-i.ff]+i.ss);
            }
        } else {
            for(int x = -MAXVAL; x < MAXVAL+i.ff; x++){
                dp[x] = max(dp[x],dp[x-i.ff]+i.ss);
            }
        }
        // cout << "iteracao " << i.ff << ' ' << i.ss << "=>" << endl;
        // for(int i = -l; i <= l; i++){
        //     cout << i << ": " << dp[i] << endl;
        // }
    }
    
    if(dp[l] >= 0){
        cout << dp[l] << '\n';
    } else cout << "impossible\n";
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4180 KB Output is correct
2 Correct 8 ms 4180 KB Output is correct
3 Correct 5 ms 4180 KB Output is correct
4 Correct 27 ms 4180 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 408 ms 4180 KB Output is correct
7 Correct 182 ms 4180 KB Output is correct
8 Correct 396 ms 4180 KB Output is correct
9 Correct 489 ms 4308 KB Output is correct
10 Correct 16 ms 4180 KB Output is correct
11 Correct 19 ms 4180 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4180 KB Output is correct
2 Correct 8 ms 4180 KB Output is correct
3 Correct 5 ms 4180 KB Output is correct
4 Correct 27 ms 4180 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 408 ms 4180 KB Output is correct
7 Correct 182 ms 4180 KB Output is correct
8 Correct 396 ms 4180 KB Output is correct
9 Correct 489 ms 4308 KB Output is correct
10 Correct 16 ms 4180 KB Output is correct
11 Correct 19 ms 4180 KB Output is correct
12 Correct 13 ms 4180 KB Output is correct
13 Correct 8 ms 4180 KB Output is correct
14 Correct 4 ms 4180 KB Output is correct
15 Correct 27 ms 4180 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 402 ms 4180 KB Output is correct
18 Correct 163 ms 4180 KB Output is correct
19 Correct 425 ms 4180 KB Output is correct
20 Correct 493 ms 4308 KB Output is correct
21 Correct 16 ms 4180 KB Output is correct
22 Correct 16 ms 4180 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 926 ms 4308 KB Output is correct
25 Correct 343 ms 4180 KB Output is correct
26 Correct 1199 ms 4308 KB Output is correct
27 Correct 1127 ms 4308 KB Output is correct
28 Correct 18 ms 4180 KB Output is correct
29 Correct 24 ms 4180 KB Output is correct

Subtask #3-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 4180 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 4180 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 4180 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4180 KB Output is correct
2 Correct 8 ms 4180 KB Output is correct
3 Correct 5 ms 4180 KB Output is correct
4 Correct 27 ms 4180 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 408 ms 4180 KB Output is correct
7 Correct 182 ms 4180 KB Output is correct
8 Correct 396 ms 4180 KB Output is correct
9 Correct 489 ms 4308 KB Output is correct
10 Correct 16 ms 4180 KB Output is correct
11 Correct 19 ms 4180 KB Output is correct
12 Correct 28 ms 4180 KB Output is correct
13 Incorrect 1 ms 212 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 4180 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4180 KB Output is correct
2 Correct 8 ms 4180 KB Output is correct
3 Correct 5 ms 4180 KB Output is correct
4 Correct 27 ms 4180 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 408 ms 4180 KB Output is correct
7 Correct 182 ms 4180 KB Output is correct
8 Correct 396 ms 4180 KB Output is correct
9 Correct 489 ms 4308 KB Output is correct
10 Correct 16 ms 4180 KB Output is correct
11 Correct 19 ms 4180 KB Output is correct
12 Correct 13 ms 4180 KB Output is correct
13 Correct 8 ms 4180 KB Output is correct
14 Correct 4 ms 4180 KB Output is correct
15 Correct 27 ms 4180 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 402 ms 4180 KB Output is correct
18 Correct 163 ms 4180 KB Output is correct
19 Correct 425 ms 4180 KB Output is correct
20 Correct 493 ms 4308 KB Output is correct
21 Correct 16 ms 4180 KB Output is correct
22 Correct 16 ms 4180 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 926 ms 4308 KB Output is correct
25 Correct 343 ms 4180 KB Output is correct
26 Correct 1199 ms 4308 KB Output is correct
27 Correct 1127 ms 4308 KB Output is correct
28 Correct 18 ms 4180 KB Output is correct
29 Correct 24 ms 4180 KB Output is correct
30 Correct 28 ms 4180 KB Output is correct
31 Incorrect 1 ms 212 KB Output isn't correct
32 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 4180 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4180 KB Output is correct
2 Correct 8 ms 4180 KB Output is correct
3 Correct 5 ms 4180 KB Output is correct
4 Correct 27 ms 4180 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 408 ms 4180 KB Output is correct
7 Correct 182 ms 4180 KB Output is correct
8 Correct 396 ms 4180 KB Output is correct
9 Correct 489 ms 4308 KB Output is correct
10 Correct 16 ms 4180 KB Output is correct
11 Correct 19 ms 4180 KB Output is correct
12 Correct 13 ms 4180 KB Output is correct
13 Correct 8 ms 4180 KB Output is correct
14 Correct 4 ms 4180 KB Output is correct
15 Correct 27 ms 4180 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 402 ms 4180 KB Output is correct
18 Correct 163 ms 4180 KB Output is correct
19 Correct 425 ms 4180 KB Output is correct
20 Correct 493 ms 4308 KB Output is correct
21 Correct 16 ms 4180 KB Output is correct
22 Correct 16 ms 4180 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 926 ms 4308 KB Output is correct
25 Correct 343 ms 4180 KB Output is correct
26 Correct 1199 ms 4308 KB Output is correct
27 Correct 1127 ms 4308 KB Output is correct
28 Correct 18 ms 4180 KB Output is correct
29 Correct 24 ms 4180 KB Output is correct
30 Correct 28 ms 4180 KB Output is correct
31 Incorrect 1 ms 212 KB Output isn't correct
32 Halted 0 ms 0 KB -