oj.uz

Submission #335449

# Submission time Handle Problem Language Result Execution time Memory
335449 2020-12-12T16:41:14 Z Swan Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 85 ms 512 KB 
#include <bits/stdc++.h>
#define stop system("pause")
#define INP freopen("balance.in","r",stdin)
#define OUTP freopen("balance.out","w",stdout)
#define int long long
using namespace std;


int n, a, b;
vector<int> v;
int dp[2001];
int dp2[101][101];

bool eq(int x, int mask){
    //cout << "qwe " << x << ' ' << mask << ' ' << (x & mask) << endl;
    return (x & mask) == 0;
}

bool bit(int x, int need){
    return x & (1ll << need);
}

bool check1(int mask, int dig){
    for(int i = 0; i < n;i++){
        dp[i] = -1;
        int mnres = INT_MAX;
        int sum = 0;
        for(int j = i; j >= 0;j--){
            sum+=v[j];
            if(eq(sum, mask) && !bit(sum, dig)){
                if(i == 0)mnres = 1;
                else{
                    if(dp[j - 1] == -1)continue;
                    mnres = min(mnres, dp[j - 1] + 1);
                }
            }
        }
        if(mnres!=INT_MAX){
            dp[i] = mnres;
        }
    }
    if(dp[n - 1] == -1){
        return 0;
    }
    if(dp[n - 1] > b)return 0;
    return 1;
}

bool check2(int mask, int dig){
    for(int k = 1; k <= b;k++){
        for(int i = 0; i < n;i++){
            int sum = 0;
            dp2[i][k] = -1;
            for(int j = i; j >= 0;j--){
                sum+=v[j];
                if(eq(sum, mask) && !bit(sum, dig)){
                    if(k == 1){
                        if(j!=0)continue;
                        dp2[i][k] = 1;
                        continue;
                    }
                    if(j == 0 && k!=1)continue;
                    if(dp2[j - 1][k - 1] == -1)continue;
                    dp2[i][k] = 1;
                }
            }
        }
    }
    for(int k = a; k <= b;k++){
        if(dp2[n - 1][k] != -1)return 1;
    }

    return 0;
}

main(){
    ios_base::sync_with_stdio(0);
    cin >> n >> a >> b;
    for(int i = 0; i < n;i++){
        int x; cin >> x;
        v.push_back(x);
    }
    int mask = 0;
    int ans = 0;
    //cout << "che " << (1 << 30) << endl;
    for(int b = 50; b >= 0;b--){
        mask^=(1ll << b);
        bool f = (n <= 100 ? check2(mask, b) : check1(mask, b));
        if(!f){
            //cout << "bad " << endl;
            ans+=(1ll << b);
            mask^=(1ll << b);
        }
    }
    cout << ans;
    return 0;
}

/*
6 1 3
8 1 2 1 5 4
*/

Compilation message

sculpture.cpp:76:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   76 | main(){
      |      ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 396 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 2 ms 364 KB Output is correct
31 Correct 3 ms 364 KB Output is correct
32 Correct 3 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 396 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 4 ms 364 KB Output is correct
19 Correct 3 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 3 ms 364 KB Output is correct
26 Correct 7 ms 364 KB Output is correct
27 Correct 22 ms 492 KB Output is correct
28 Correct 45 ms 364 KB Output is correct
29 Correct 45 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 22 ms 364 KB Output is correct
32 Correct 34 ms 364 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 236 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 3 ms 364 KB Output is correct
42 Correct 3 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 3 ms 364 KB Output is correct
45 Correct 3 ms 364 KB Output is correct
46 Correct 2 ms 364 KB Output is correct
47 Correct 3 ms 364 KB Output is correct
48 Correct 3 ms 364 KB Output is correct
49 Correct 7 ms 364 KB Output is correct
50 Correct 22 ms 364 KB Output is correct
51 Correct 44 ms 364 KB Output is correct
52 Correct 43 ms 492 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 22 ms 364 KB Output is correct
55 Correct 38 ms 364 KB Output is correct
56 Correct 3 ms 364 KB Output is correct
57 Correct 6 ms 364 KB Output is correct
58 Correct 16 ms 492 KB Output is correct
59 Correct 32 ms 364 KB Output is correct
60 Correct 30 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 38 ms 364 KB Output is correct
63 Correct 37 ms 364 KB Output is correct
64 Correct 34 ms 364 KB Output is correct
65 Correct 3 ms 364 KB Output is correct
66 Correct 2 ms 364 KB Output is correct
67 Correct 6 ms 364 KB Output is correct
68 Correct 19 ms 492 KB Output is correct
69 Correct 34 ms 364 KB Output is correct
70 Correct 29 ms 364 KB Output is correct
71 Correct 1 ms 364 KB Output is correct
72 Correct 38 ms 492 KB Output is correct
73 Correct 30 ms 364 KB Output is correct
74 Correct 27 ms 364 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 5 ms 364 KB Output is correct
29 Correct 3 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 3 ms 364 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 8 ms 364 KB Output is correct
37 Correct 22 ms 364 KB Output is correct
38 Correct 44 ms 364 KB Output is correct
39 Correct 43 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 22 ms 364 KB Output is correct
42 Correct 33 ms 364 KB Output is correct
43 Correct 3 ms 492 KB Output is correct
44 Correct 6 ms 364 KB Output is correct
45 Correct 16 ms 364 KB Output is correct
46 Correct 33 ms 364 KB Output is correct
47 Correct 29 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 39 ms 364 KB Output is correct
50 Correct 37 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 9 ms 492 KB Output is correct
53 Correct 13 ms 364 KB Output is correct
54 Correct 23 ms 364 KB Output is correct
55 Correct 22 ms 364 KB Output is correct
56 Correct 80 ms 364 KB Output is correct
57 Correct 81 ms 364 KB Output is correct
58 Correct 79 ms 492 KB Output is correct
59 Correct 81 ms 364 KB Output is correct
60 Correct 85 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 13 ms 364 KB Output is correct
63 Correct 23 ms 364 KB Output is correct
64 Correct 22 ms 364 KB Output is correct
65 Correct 41 ms 364 KB Output is correct
66 Correct 61 ms 492 KB Output is correct
67 Correct 81 ms 364 KB Output is correct
68 Correct 85 ms 384 KB Output is correct
69 Correct 84 ms 512 KB Output is correct