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답안 #1095862

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1095862 2024-10-03T10:42:12 Z Requiem Bali Sculptures (APIO15_sculpture) C++17
100 / 100
 50 ms 1884 KB 
#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define MOD 1000000007
#define inf 1e18
#define fi first
#define se second
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORD(i,a,b) for(int i=a;i>=b;i--)
#define sz(a) ((int)(a).size())
#define endl '\n'
#define pi 3.14159265359
#define TASKNAME "sculpture"
using namespace std;
template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; }
template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; }
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
typedef vector<int> vi;

const int MAXN = 3e3 + 9;
int n, s1, s2;
int a[MAXN], pre[MAXN];

namespace subtask1{
    bool check(){
        return n <= 20;
    }

    int res = inf;

    void backtrack(int pos,int curOR, int curPart){
//        cout << pos << ' ' << curOR << ' ' << curPart << endl;
        if (curPart > s2) return;
        if (pos == n){
            if (curPart >= s1) minimize(res, curOR);
            return;
        }
        FOR(nxt, pos + 1, n){
            backtrack(nxt, curOR | (pre[nxt] - pre[pos]), curPart + 1);
        }
    }

    void solve(){
        backtrack(0, 0, 0);
        cout << res << endl;
    }
}
namespace subtask2{
    bool check(){
        FOR(i, 1, n){
            if (a[i] > 10) return false;
        }
        return n <= 50;
    }

    bool dp[53][23][513];
    void solve(){
        memset(dp, false, sizeof(dp));
        dp[0][0][0] = true;
        FOR(i, 0, n){
            FOR(parts, 0, min(i, s2)){
                FOR(stateOR, 0, 511){
                    if (dp[i][parts][stateOR]){
//                        cout << i << ' ' << parts << ' ' << stateOR << endl;
                        FOR(nxt, i + 1, n){
                            int s = pre[nxt] - pre[i];
                            dp[nxt][parts + 1][stateOR | s] = 1;
                        }
                    }
                }
            }
        }

        FOR(state, 0, 511){
            FOR(i, s1, s2){
                if (dp[n][i][state]) {
                    cout << state << endl;
                    return;
                }
            }
        }

    }
}

namespace subtask3{
    bool check(){
        FOR(i, 1, n){
            if (a[i] > 20) return false;
        }
        return (s1 == 1 and n <= 100);
    }

    int dp[102][2059];

    void solve(){
        memset(dp, 0x3f, sizeof(dp));
        dp[0][0] = 0;
        FOR(i, 0, n - 1){
            FOR(stateOR, 0, 2047){
                if (dp[i][stateOR] < 1e9){
                    FOR(nxt, i + 1, n){
                        minimize(dp[nxt][stateOR | (pre[nxt] - pre[i])], dp[i][stateOR] + 1);
                    }
                }
            }
        }

        FOR(state, 0, 2047){
            if (dp[n][state] <= s2) {
                cout << state << endl;
                return;
            }
        }
    }
}

namespace subtask4{
    bool check(){
        return n <= 100;
    }

    bool dp[302][302];

    bool can(int msk){
        memset(dp, false, sizeof(dp));
        dp[0][0] = true;
        FOR(i, 1, n){
            FOR(j, 1, min(i, s2)){

                FOR(k, 0, i - 1){
                    int s = pre[i] - pre[k];
                    if ((s & msk) == s) dp[i][j] |= dp[k][j - 1];
                }
//                if (msk == 11 and dp[i][j]) cout << i << ' ' << j << endl;
            }
        }
        FOR(i, s1, s2){
            if (dp[n][i]) return true;
        }
        return false;
    }
    void solve(){
        int cur = (1LL << 43) - 1;
        cerr << cur << endl;
        FORD(i, 42, 0){
            if (can(cur ^ (1LL << i))){
                cur ^= (1LL << i);
            }
//            cout << cur << endl;
        }
        cout << cur << endl;
    }
}

namespace subtask5{
    bool check(){
        return s1 == 1;
    }

    int dp[3010];

    bool can(int msk){
        memset(dp, 0x3f, sizeof(dp));
        dp[0] = 0;
        FOR(i, 1, n){
            FORD(j, i - 1, 0){
                int s = pre[i] - pre[j];
                if ((s & msk) == s) minimize(dp[i] , dp[j] + 1);
            }
        }
        return dp[n] <= s2;
    }
    void solve(){
        int cur = (1LL << 43) - 1;
        FORD(i, 42, 0){
            if (can(cur ^ (1LL << i))){
                cur ^= (1LL << i);
            }
        }
        cout << cur << endl;
    }
}
main()
{
    fast;
    if (fopen(TASKNAME".inp","r")){
        freopen(TASKNAME".inp","r",stdin);
        freopen(TASKNAME".out","w",stdout);
    }
    cin >> n >> s1 >> s2;
    FOR(i, 1, n){
        cin >> a[i];
        pre[i] = pre[i - 1] + a[i];
    }
    if (subtask1::check()) return subtask1::solve(), 0;
    if (subtask2::check()) return subtask2::solve(), 0;
    if (subtask3::check()) return subtask3::solve(), 0;
    if (subtask4::check()) return subtask4::solve(), 0;
    if (subtask5::check()) return subtask5::solve(), 0;
}
/**
Warning:
Cận lmao
Code imple thiếu case nào không.
Limit.
**/

Compilation message

sculpture.cpp:186:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  186 | main()
      | ^~~~
sculpture.cpp: In function 'int main()':
sculpture.cpp:190:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  190 |         freopen(TASKNAME".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:191:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  191 |         freopen(TASKNAME".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 3 ms 348 KB Output is correct
34 Correct 3 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 3 ms 348 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 0 ms 860 KB Output is correct
29 Correct 0 ms 860 KB Output is correct
30 Correct 1 ms 856 KB Output is correct
31 Correct 1 ms 860 KB Output is correct
32 Correct 1 ms 860 KB Output is correct
33 Correct 0 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 860 KB Output is correct
36 Correct 1 ms 860 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 0 ms 860 KB Output is correct
16 Correct 0 ms 860 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 1 ms 860 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 0 ms 860 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 860 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 1884 KB Output is correct
25 Correct 1 ms 1884 KB Output is correct
26 Correct 1 ms 1880 KB Output is correct
27 Correct 2 ms 1884 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1884 KB Output is correct
30 Correct 2 ms 1880 KB Output is correct
31 Correct 2 ms 1884 KB Output is correct
32 Correct 2 ms 1884 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 464 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 3 ms 400 KB Output is correct
34 Correct 3 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 3 ms 348 KB Output is correct
37 Correct 1 ms 860 KB Output is correct
38 Correct 0 ms 860 KB Output is correct
39 Correct 1 ms 860 KB Output is correct
40 Correct 1 ms 860 KB Output is correct
41 Correct 1 ms 860 KB Output is correct
42 Correct 1 ms 860 KB Output is correct
43 Correct 1 ms 856 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 1 ms 860 KB Output is correct
46 Correct 1 ms 860 KB Output is correct
47 Correct 1 ms 1884 KB Output is correct
48 Correct 1 ms 1884 KB Output is correct
49 Correct 2 ms 1884 KB Output is correct
50 Correct 2 ms 1884 KB Output is correct
51 Correct 2 ms 1880 KB Output is correct
52 Correct 2 ms 1872 KB Output is correct
53 Correct 1 ms 1884 KB Output is correct
54 Correct 3 ms 1884 KB Output is correct
55 Correct 2 ms 1884 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 4 ms 348 KB Output is correct
58 Correct 9 ms 568 KB Output is correct
59 Correct 15 ms 348 KB Output is correct
60 Correct 15 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 16 ms 568 KB Output is correct
63 Correct 16 ms 352 KB Output is correct
64 Correct 20 ms 360 KB Output is correct
65 Correct 2 ms 348 KB Output is correct
66 Correct 2 ms 348 KB Output is correct
67 Correct 3 ms 348 KB Output is correct
68 Correct 9 ms 348 KB Output is correct
69 Correct 16 ms 568 KB Output is correct
70 Correct 15 ms 348 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 16 ms 568 KB Output is correct
73 Correct 15 ms 344 KB Output is correct
74 Correct 14 ms 348 KB Output is correct

Subtask #5
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 408 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 428 KB Output is correct
20 Correct 3 ms 348 KB Output is correct
21 Correct 3 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 3 ms 348 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 1 ms 856 KB Output is correct
30 Correct 1 ms 856 KB Output is correct
31 Correct 1 ms 860 KB Output is correct
32 Correct 1 ms 860 KB Output is correct
33 Correct 1 ms 860 KB Output is correct
34 Correct 1 ms 1884 KB Output is correct
35 Correct 1 ms 1884 KB Output is correct
36 Correct 2 ms 1884 KB Output is correct
37 Correct 2 ms 1884 KB Output is correct
38 Correct 2 ms 1884 KB Output is correct
39 Correct 2 ms 1884 KB Output is correct
40 Correct 2 ms 1884 KB Output is correct
41 Correct 2 ms 1884 KB Output is correct
42 Correct 2 ms 1884 KB Output is correct
43 Correct 2 ms 352 KB Output is correct
44 Correct 4 ms 344 KB Output is correct
45 Correct 10 ms 344 KB Output is correct
46 Correct 15 ms 568 KB Output is correct
47 Correct 15 ms 460 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 16 ms 572 KB Output is correct
50 Correct 16 ms 348 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 5 ms 348 KB Output is correct
53 Correct 7 ms 508 KB Output is correct
54 Correct 14 ms 348 KB Output is correct
55 Correct 12 ms 524 KB Output is correct
56 Correct 43 ms 348 KB Output is correct
57 Correct 42 ms 524 KB Output is correct
58 Correct 43 ms 344 KB Output is correct
59 Correct 46 ms 348 KB Output is correct
60 Correct 45 ms 344 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 7 ms 508 KB Output is correct
63 Correct 14 ms 348 KB Output is correct
64 Correct 13 ms 524 KB Output is correct
65 Correct 22 ms 348 KB Output is correct
66 Correct 34 ms 344 KB Output is correct
67 Correct 42 ms 348 KB Output is correct
68 Correct 50 ms 348 KB Output is correct
69 Correct 42 ms 528 KB Output is correct