oj.uz

답안 #660521

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
660521 2022-11-22T07:23:51 Z mychecksedad Uplifting Excursion (BOI22_vault) C++17
45 / 100
 48 ms 568 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, F = 2147483646, K = 20;

ll m, l, a[N], sum, ans, b[N][2], dp[N]; // + and - parts
void solve(){
    cin >> m >> l;
    for(int i = 0; i < 2*m+1; ++i) cin >> a[i];
    sum = ans = 0;
    for(int i = 0; i < 2*m+1; ++i) sum += a[i] * (i - m), ans += a[i], b[i][0] = 0, b[i][1] = a[i];
    if(sum == l){
        cout << ans;
        return;
    }
    ll c;
    if(sum > l){
        c = 2*m;
        while(sum > l && c > m){
            if(c==m){
                c--;
                continue;
            }
            if(sum - a[c] * (c - m) >= l) sum -= a[c] * (c - m), ans -= a[c], b[c][0] = a[c], b[c][1] = 0;
            else{
                ll num = (sum - l + (c - m) - 1) / (c - m);
                ans -= num;
                sum -= num * (c - m);

                b[c][0] = num;
                b[c][1] = a[c] - num;

                break;
            }
            c--;
        }
    }else{
        c = 0;
        while(sum < l && c < m){
            if(c==m){
                c++;
                continue;
            }
            if(sum - a[c] * (c - m) <= l) sum -= a[c] * (c - m), ans -= a[c], b[c][0] = a[c], b[c][1] = 0;
            else{
                ll num = (sum - l) / (c - m);
                ans -= num;
                sum -= num * (c - m);

                b[c][0] = num;
                b[c][1] = a[c] - num;

                break;
            }
            c++;
        }
    }
    ll M = 12*m;
    if(abs(l - sum) > M){
        cout << "impossible";
        return;
    }
    int v = l - sum + M;
    for(int i = 0; i <= 2*M; ++i) dp[i] = MOD;  
    dp[M] = 0;
    deque<pair<int, int>> p;
    for(int i = 0; i <= 2*m; ++i){
        if(i==m) continue;
        for(int j = 1; j <= min(b[i][0], M); ++j) p.pb({i - m, -1});
        for(int j = 1; j <= min(b[i][1], M); ++j) p.pb({m - i, 1});
    }
    sort(all(p));
    while(!p.empty()){
        for(int rep = 0; rep < 2 && !p.empty(); ++rep){
            pair<int, int> x;
            if(rep == 0) x = p.front(), p.pop_front();
            else x = p.back(), p.pop_back();
            if(x.first > 0){
                for(int j = 2*M - x.first; j >= 0; --j){
                    int val = j + x.first;
                    dp[val] = min(dp[val], dp[j] + x.second);
                }
            }else{
                for(int j = -x.first; j <= 2*M; ++j){
                    int val = j + x.first;
                    dp[val] = min(dp[val], dp[j] + x.second);
                }
            }
        }
        
    }
    if(dp[v] > 1e7) cout << "impossible";
    else cout << ans - dp[v];
}




int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:112:16: warning: unused variable 'aa' [-Wunused-variable]
  112 |     int T = 1, aa;
      |                ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 6 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 19 ms 448 KB Output is correct
25 Correct 7 ms 400 KB Output is correct
26 Correct 39 ms 508 KB Output is correct
27 Correct 48 ms 508 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Incorrect 1 ms 340 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct

Subtask #3-2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 3 ms 340 KB Output is correct
24 Correct 7 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 6 ms 340 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct

Subtask #4-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 13 ms 340 KB Output is correct
24 Correct 7 ms 404 KB Output is correct
25 Correct 12 ms 340 KB Output is correct
26 Correct 14 ms 468 KB Output is correct
27 Correct 11 ms 340 KB Output is correct
28 Correct 13 ms 340 KB Output is correct

Subtask #4-2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 4 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 4 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 6 ms 340 KB Output is correct
38 Correct 4 ms 340 KB Output is correct
39 Correct 6 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 4 ms 340 KB Output is correct
44 Correct 3 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 2 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 13 ms 340 KB Output is correct
53 Correct 7 ms 404 KB Output is correct
54 Correct 12 ms 340 KB Output is correct
55 Correct 14 ms 468 KB Output is correct
56 Correct 11 ms 340 KB Output is correct
57 Correct 13 ms 340 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 3 ms 340 KB Output is correct
64 Correct 2 ms 340 KB Output is correct
65 Correct 3 ms 340 KB Output is correct
66 Correct 5 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 0 ms 340 KB Output is correct
69 Correct 3 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 3 ms 340 KB Output is correct
72 Correct 3 ms 340 KB Output is correct
73 Correct 2 ms 340 KB Output is correct
74 Correct 1 ms 468 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 2 ms 340 KB Output is correct
78 Correct 7 ms 340 KB Output is correct
79 Correct 2 ms 340 KB Output is correct
80 Correct 9 ms 340 KB Output is correct
81 Correct 5 ms 340 KB Output is correct
82 Correct 10 ms 340 KB Output is correct
83 Correct 10 ms 340 KB Output is correct
84 Correct 7 ms 340 KB Output is correct
85 Correct 11 ms 444 KB Output is correct
86 Correct 15 ms 468 KB Output is correct
87 Correct 12 ms 436 KB Output is correct
88 Correct 18 ms 456 KB Output is correct
89 Correct 21 ms 504 KB Output is correct
90 Correct 27 ms 468 KB Output is correct
91 Correct 20 ms 468 KB Output is correct
92 Correct 26 ms 568 KB Output is correct

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 13 ms 340 KB Output is correct
24 Correct 7 ms 404 KB Output is correct
25 Correct 12 ms 340 KB Output is correct
26 Correct 14 ms 468 KB Output is correct
27 Correct 11 ms 340 KB Output is correct
28 Correct 13 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 3 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 1 ms 276 KB Output is correct
41 Correct 9 ms 428 KB Output is correct
42 Correct 11 ms 340 KB Output is correct
43 Correct 11 ms 340 KB Output is correct
44 Correct 15 ms 480 KB Output is correct
45 Correct 11 ms 440 KB Output is correct
46 Correct 13 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Incorrect 1 ms 340 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 6 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 19 ms 448 KB Output is correct
25 Correct 7 ms 400 KB Output is correct
26 Correct 39 ms 508 KB Output is correct
27 Correct 48 ms 508 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Incorrect 1 ms 340 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 13 ms 340 KB Output is correct
24 Correct 7 ms 404 KB Output is correct
25 Correct 12 ms 340 KB Output is correct
26 Correct 14 ms 468 KB Output is correct
27 Correct 11 ms 340 KB Output is correct
28 Correct 13 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 3 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 1 ms 276 KB Output is correct
41 Correct 9 ms 428 KB Output is correct
42 Correct 11 ms 340 KB Output is correct
43 Correct 11 ms 340 KB Output is correct
44 Correct 15 ms 480 KB Output is correct
45 Correct 11 ms 440 KB Output is correct
46 Correct 13 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Incorrect 1 ms 340 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 6 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 19 ms 448 KB Output is correct
25 Correct 7 ms 400 KB Output is correct
26 Correct 39 ms 508 KB Output is correct
27 Correct 48 ms 508 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Incorrect 1 ms 340 KB Output isn't correct
30 Halted 0 ms 0 KB -