oj.uz

Submission #918524

# Submission time Handle Problem Language Result Execution time Memory
918524 2024-01-30T05:11:42 Z phamducminh Bali Sculptures (APIO15_sculpture) C++17
71 / 100
 1000 ms 32088 KB 
//******************/
//*   I<3   C++    */
//*  I WANT ANY AC */
//* I LOVE PROGRAM!*/
//*IT'S long longERESTING*/
//* I LOVE PROGRAM!*/
//*  IN CONTESTS   */
//*   GET SCORE    */
//*    AC CODE     */
//*     LET'S      */
//*      GO        */
//*  Written by:   */
//*   Duc Minh     */






#include <bits/stdc++.h>
#include <iostream>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <algorithm>
#include <string>
#include <queue>
#include <cctype>
#include <cstring>
#include <iomanip>
#include <deque>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>

using namespace std;
// using namespace __gnu_pbds;

#define  file(name)  freopen(name".inp", "r", stdin);\
                     freopen(name".out", "w", stdout);
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define TIME        (1.0 * clock() / CLOCKS_PER_SEC)
#define all(a)      a.begin(),a.end()
#define endl        "\n"
#define all1(a)     a+1,a+n+1
#define unordered_map  map
#define Accepted 0      
// #define push_back   emplace_back
// #define gcd(a,b)    __gcd(a,b);
// #define lcm(a,b)    (a*b)/gcd(a,b);

const long long INF = (long long)1e18;
const long long MOD = (long long)1e9+7;
const long long MODD = 14062008; /// 998244353
const long long maxN = 2e5+9;
const long long LOG = 57;







///--------------------------------


void solve();

signed main(){

    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);


    // file("tbrackets");







    long long t;


    // cin >> t;

    t=1;



    while (t--){




        solve();


    }





    cerr << "Time elapsed: " << TIME << "s.\n";
    cerr << "ducminh" << "\n";
    return Accepted;
}



///--------------------[PROBLEM SOLUTION]--------------------///



long long a[2009], dp[2009][2009], pre[2009];

long long ans=INF,n,L,R;


void sub1(){



    for (long long mask=0; mask<(1<<n); mask++){

        long long sum=0,g=0;
        for (long long i=0; i<n; i++){
            sum+=a[i];
            if ((mask>>i)&1){
                g|=sum;
                sum=0;
            }
        }

        g|=sum;

        long long bits=__builtin_popcount(mask) + ((mask & (1 << (n - 1))) == 0);

        if (L<=bits && bits<=R) ans=min(ans,g);
    }

    cout << ans;
    exit(0);
}


void sub2(){

    long long dp[59][29][509];

    memset(dp, false ,sizeof dp);

    dp[0][0][0] = true; 

    const int N=500;


    for (int i=1; i<=n; i++){
        pre[i]=pre[i-1]+a[i-1];
    }

    for (long long i=0; i<n; i++){

        for (long long k=0; k<=min(i,R-1); k++){

            for (long long j=0; j<=N; j++){

                if (!dp[i][k][j]) continue; 

                for (long long t=i+1; t<=n; t++){

                    dp[t][k+1][j|(pre[t]-pre[i])] |= dp[i][k][j];
                }

            }
        }
    }


    for (long long j = L ; j <= R ; j++) 
        for (long long t = 0; t <= N; t++){
            if (dp[n][j][t]) ans=min(ans,t);
        }


    cout << ans;


    exit(0);
}

void sub3(){

    const int N=2000;


    for (long long i=0; i<=n+1; i++){
        // pre[i]=0;
        for (long long j=0; j<=N+1; j++){
            dp[i][j]=INF;
        }
    }


    // sort(a,a+n);


    // for (int i=1; i<=n; i++){
    //     pre[i]=pre[i-1]+a[i];
    //     // cout << pre[i] << ' ';
    // }

    dp[0][0]=0;
    // dp[i][j][or]
    for (long long i=0; i<n; i++){

        for (int k=0; k<=N; k++){

            for (int j=i; j<n; j++){
                dp[j+1][k|(pre[j]-pre[i-1])]=min(dp[j+1][k|(pre[j]-pre[i-1])],dp[i][k]+1);

                // cout << i << ' ' << j << ' ' << dp[i][k] << "\n";
            }
        }
    }

    for (int k=0; k<=N; k++){

        // cout << dp[n-1][k] << ' ';
        if (dp[n][k]<=R) {cout << k; exit(0);}
    }

    // cout << dp[n][5];
    // exit(0);
}




bool checksub4(){

    long long dp[2009][2009];

    memset(dp, false ,sizeof dp);

    dp[0][0] = true; 

    const int N=500;


    // for (int i=1; i<=n; i++){
    //     pre[i]=pre[i-1]+a[i-1];
    // }

    for (long long i=0; i<n; i++){

        for (long long k=0; k<=min(i,R-1); k++){



            // if (!dp[i][k]) continue; 

            long long sum=0;
            for (long long t=i; t<=n; t++){
                sum+=a[t];

                if ((sum|ans)==ans) dp[t+1][k+1] |= dp[i][k];
            }

        }

    }


    for (long long j = L ; j <= R ; j++) 

        if (dp[n][j]) return true;



    return false;


    exit(0);


}


void sub4(){

    ans = (1LL<<LOG) - 1;

    for (long long i=LOG-1; i>=0; i--){

        ans^=1LL<<i;


        if (!checksub4()){
            ans|=1LL<<i;

        }
    }


    cout << ans; 
    exit(0);
}

void solve(){



    cin >> n >> L >> R;

    long long mx=-1e9;
    for (long long i=0; i<n; i++){

        cin >> a[i]; if (i==0) pre[i]=a[i]; else pre[i]=pre[i-1]+a[i];

        mx=max(mx,a[i]);


    }


    // cout << pre[2]-pre[0] << "\n";


    if (n<=20) sub1();
    if (n<=50 && R<=min(20LL,n)) sub2();
    if (n<=100 && L==1 && mx<=3000) sub3();

    sub4();

}

Compilation message

sculpture.cpp: In function 'bool checksub4()':
sculpture.cpp:250:15: warning: unused variable 'N' [-Wunused-variable]
  250 |     const int N=500;
      |               ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory 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 2 ms 348 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 73 ms 348 KB Output is correct
9 Correct 66 ms 348 KB Output is correct
10 Correct 66 ms 348 KB Output is correct
11 Correct 70 ms 348 KB Output is correct
12 Correct 65 ms 444 KB Output is correct
13 Correct 66 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 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 8 ms 348 KB Output is correct
21 Correct 66 ms 344 KB Output is correct
22 Correct 69 ms 600 KB Output is correct
23 Correct 63 ms 348 KB Output is correct
24 Correct 66 ms 348 KB Output is correct
25 Correct 68 ms 696 KB Output is correct
26 Correct 64 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 32 ms 464 KB Output is correct
31 Correct 62 ms 440 KB Output is correct
32 Correct 68 ms 344 KB Output is correct
33 Correct 67 ms 504 KB Output is correct
34 Correct 65 ms 344 KB Output is correct
35 Correct 65 ms 348 KB Output is correct
36 Correct 66 ms 344 KB Output is correct

Subtask #2
16.0 / 16.0

# 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 1 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 2 ms 348 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 65 ms 348 KB Output is correct
9 Correct 68 ms 348 KB Output is correct
10 Correct 68 ms 344 KB Output is correct
11 Correct 67 ms 344 KB Output is correct
12 Correct 65 ms 348 KB Output is correct
13 Correct 65 ms 348 KB Output is correct
14 Correct 1 ms 344 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 2 ms 600 KB Output is correct
20 Correct 8 ms 344 KB Output is correct
21 Correct 63 ms 512 KB Output is correct
22 Correct 63 ms 440 KB Output is correct
23 Correct 62 ms 348 KB Output is correct
24 Correct 66 ms 344 KB Output is correct
25 Correct 64 ms 592 KB Output is correct
26 Correct 62 ms 344 KB Output is correct
27 Correct 4 ms 7256 KB Output is correct
28 Correct 5 ms 7260 KB Output is correct
29 Correct 6 ms 7260 KB Output is correct
30 Correct 5 ms 7256 KB Output is correct
31 Correct 6 ms 7260 KB Output is correct
32 Correct 6 ms 7256 KB Output is correct
33 Correct 5 ms 7260 KB Output is correct
34 Correct 5 ms 7108 KB Output is correct
35 Correct 5 ms 7260 KB Output is correct
36 Correct 5 ms 7260 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory 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 2 ms 348 KB Output is correct
7 Correct 8 ms 464 KB Output is correct
8 Correct 65 ms 348 KB Output is correct
9 Correct 66 ms 348 KB Output is correct
10 Correct 65 ms 344 KB Output is correct
11 Correct 66 ms 436 KB Output is correct
12 Correct 67 ms 348 KB Output is correct
13 Correct 65 ms 348 KB Output is correct
14 Correct 4 ms 7256 KB Output is correct
15 Correct 4 ms 7260 KB Output is correct
16 Correct 5 ms 7256 KB Output is correct
17 Correct 5 ms 7256 KB Output is correct
18 Correct 5 ms 7260 KB Output is correct
19 Correct 5 ms 7260 KB Output is correct
20 Correct 4 ms 7260 KB Output is correct
21 Correct 5 ms 7260 KB Output is correct
22 Correct 6 ms 7260 KB Output is correct
23 Correct 5 ms 7156 KB Output is correct
24 Correct 4 ms 2652 KB Output is correct
25 Correct 7 ms 2680 KB Output is correct
26 Correct 14 ms 2684 KB Output is correct
27 Correct 14 ms 2652 KB Output is correct
28 Correct 16 ms 2652 KB Output is correct
29 Correct 16 ms 2684 KB Output is correct
30 Correct 14 ms 2652 KB Output is correct
31 Correct 15 ms 2652 KB Output is correct
32 Correct 14 ms 2652 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 68 ms 348 KB Output is correct
9 Correct 66 ms 348 KB Output is correct
10 Correct 65 ms 440 KB Output is correct
11 Correct 70 ms 444 KB Output is correct
12 Correct 69 ms 348 KB Output is correct
13 Correct 69 ms 596 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 2 ms 348 KB Output is correct
20 Correct 8 ms 348 KB Output is correct
21 Correct 62 ms 348 KB Output is correct
22 Correct 63 ms 436 KB Output is correct
23 Correct 66 ms 348 KB Output is correct
24 Correct 66 ms 344 KB Output is correct
25 Correct 63 ms 348 KB Output is correct
26 Correct 62 ms 440 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 32 ms 344 KB Output is correct
31 Correct 63 ms 348 KB Output is correct
32 Correct 71 ms 348 KB Output is correct
33 Correct 65 ms 344 KB Output is correct
34 Correct 65 ms 440 KB Output is correct
35 Correct 67 ms 344 KB Output is correct
36 Correct 65 ms 440 KB Output is correct
37 Correct 4 ms 7260 KB Output is correct
38 Correct 4 ms 7260 KB Output is correct
39 Correct 4 ms 7216 KB Output is correct
40 Correct 5 ms 7260 KB Output is correct
41 Correct 5 ms 7180 KB Output is correct
42 Correct 5 ms 7260 KB Output is correct
43 Correct 4 ms 7268 KB Output is correct
44 Correct 5 ms 7260 KB Output is correct
45 Correct 5 ms 7260 KB Output is correct
46 Correct 4 ms 7256 KB Output is correct
47 Correct 4 ms 2652 KB Output is correct
48 Correct 6 ms 2648 KB Output is correct
49 Correct 9 ms 2652 KB Output is correct
50 Correct 13 ms 2652 KB Output is correct
51 Correct 14 ms 2648 KB Output is correct
52 Correct 14 ms 2652 KB Output is correct
53 Correct 14 ms 2904 KB Output is correct
54 Correct 16 ms 2652 KB Output is correct
55 Correct 14 ms 2652 KB Output is correct
56 Correct 212 ms 32048 KB Output is correct
57 Correct 224 ms 32036 KB Output is correct
58 Correct 220 ms 31832 KB Output is correct
59 Correct 216 ms 32036 KB Output is correct
60 Correct 214 ms 31836 KB Output is correct
61 Correct 205 ms 32032 KB Output is correct
62 Correct 220 ms 32088 KB Output is correct
63 Correct 225 ms 32036 KB Output is correct
64 Correct 214 ms 32080 KB Output is correct
65 Correct 218 ms 31836 KB Output is correct
66 Correct 214 ms 32032 KB Output is correct
67 Correct 215 ms 32032 KB Output is correct
68 Correct 226 ms 32028 KB Output is correct
69 Correct 222 ms 32036 KB Output is correct
70 Correct 221 ms 32060 KB Output is correct
71 Correct 212 ms 31828 KB Output is correct
72 Correct 214 ms 31836 KB Output is correct
73 Correct 225 ms 32032 KB Output is correct
74 Correct 221 ms 31832 KB Output is correct

Subtask #5
0 / 29.0

# Verdict Execution time Memory 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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 65 ms 344 KB Output is correct
9 Correct 66 ms 432 KB Output is correct
10 Correct 66 ms 444 KB Output is correct
11 Correct 70 ms 344 KB Output is correct
12 Correct 71 ms 596 KB Output is correct
13 Correct 65 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 1 ms 348 KB Output is correct
17 Correct 32 ms 348 KB Output is correct
18 Correct 62 ms 436 KB Output is correct
19 Correct 69 ms 348 KB Output is correct
20 Correct 62 ms 348 KB Output is correct
21 Correct 67 ms 348 KB Output is correct
22 Correct 65 ms 348 KB Output is correct
23 Correct 64 ms 444 KB Output is correct
24 Correct 5 ms 7256 KB Output is correct
25 Correct 4 ms 7260 KB Output is correct
26 Correct 5 ms 7260 KB Output is correct
27 Correct 4 ms 7084 KB Output is correct
28 Correct 5 ms 7260 KB Output is correct
29 Correct 5 ms 7260 KB Output is correct
30 Correct 6 ms 7260 KB Output is correct
31 Correct 5 ms 7256 KB Output is correct
32 Correct 5 ms 7260 KB Output is correct
33 Correct 5 ms 7256 KB Output is correct
34 Correct 4 ms 2652 KB Output is correct
35 Correct 6 ms 2680 KB Output is correct
36 Correct 9 ms 2652 KB Output is correct
37 Correct 12 ms 2652 KB Output is correct
38 Correct 15 ms 2680 KB Output is correct
39 Correct 14 ms 2652 KB Output is correct
40 Correct 16 ms 2648 KB Output is correct
41 Correct 15 ms 2648 KB Output is correct
42 Correct 17 ms 2676 KB Output is correct
43 Correct 208 ms 31832 KB Output is correct
44 Correct 212 ms 31832 KB Output is correct
45 Correct 205 ms 31836 KB Output is correct
46 Correct 220 ms 31836 KB Output is correct
47 Correct 220 ms 31948 KB Output is correct
48 Correct 224 ms 32084 KB Output is correct
49 Correct 219 ms 31836 KB Output is correct
50 Correct 219 ms 31832 KB Output is correct
51 Correct 220 ms 31832 KB Output is correct
52 Execution timed out 1012 ms 32084 KB Time limit exceeded
53 Halted 0 ms 0 KB -