oj.uz

Submission #332812

# Submission time Handle Problem Language Result Execution time Memory
332812 2020-12-03T13:11:47 Z AmineWeslati Bali Sculptures (APIO15_sculpture) C++14
37 / 100
 143 ms 121196 KB 
//Never stop trying
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("Ofast")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")*/
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

typedef long long ll;
typedef string str;
typedef double db;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
typedef vector<str> vs;
typedef vector<ld> vd;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)

const int MOD = 1e9 + 7; //998244353
const ll INF = 1e9;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up

template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }

ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());

ll random(ll a, ll b){
    return a + rng() % (b - a + 1);
}

#ifndef LOCAL  
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl; 
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;

void IO() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
}

int N,A,B; 
vi a(MX);
int memo[101][101][3000];

int solve(int i, int n, int m){
	if(i==N){
		if(n>=A && n<=B) return m;
		return INF;
	}

	int &ind=memo[i][n][m];
	if(ind!=-1) return ind;
	int ans=INF;

	int cur=0;
	FOR(j,i,N){
		cur+=a[j];
		ckmin(ans,solve(j+1,n+1,((cur)|(m))));
	}

	return ind=ans;
}

int main() {
    boost; IO();
    memset(memo,-1,sizeof(memo));

    cin>>N>>A>>B;
    FOR(i,0,N) cin>>a[i];
    if(N>20)
    	cout << solve(0,0,0) << endl;
    else{
    	here()
    	int ans=INF;
    	FOR(m,0,(1)<<(N)) if((m)&((1)<<(N-1))){
    		int cur=0,cum=0,nb=0;
    		FOR(i,0,N){
    			cur+=a[i];
    			if(i==N-1 || (m)&((1)<<(i))){
    				nb++;
    				cum|=cur;
    				cur=0;
    			}
    		}
    		if(nb>=A && nb<=B) ckmin(ans,cum);
    	}
    	cout << ans << endl;
    }
    

    return 0;
}

/* Careful!!!
    .Array bounds
    .Infinite loops
    .Uninitialized variables / empty containers
    .Multisets are shit

   Some insights:
    .Binary search
    .Graph representation
    .Write brute force code
    .Change your approach
*/

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 120940 KB Output is correct
2 Correct 67 ms 120940 KB Output is correct
3 Correct 67 ms 120940 KB Output is correct
4 Correct 66 ms 120940 KB Output is correct
5 Correct 66 ms 120940 KB Output is correct
6 Correct 69 ms 120940 KB Output is correct
7 Correct 71 ms 120940 KB Output is correct
8 Correct 99 ms 120940 KB Output is correct
9 Correct 99 ms 120940 KB Output is correct
10 Correct 100 ms 120940 KB Output is correct
11 Correct 103 ms 120940 KB Output is correct
12 Correct 102 ms 120940 KB Output is correct
13 Correct 103 ms 120844 KB Output is correct
14 Correct 66 ms 120940 KB Output is correct
15 Correct 64 ms 121044 KB Output is correct
16 Correct 66 ms 120940 KB Output is correct
17 Correct 68 ms 120940 KB Output is correct
18 Correct 68 ms 120940 KB Output is correct
19 Correct 68 ms 120960 KB Output is correct
20 Correct 71 ms 120940 KB Output is correct
21 Correct 101 ms 120940 KB Output is correct
22 Correct 102 ms 121068 KB Output is correct
23 Correct 102 ms 120940 KB Output is correct
24 Correct 104 ms 120960 KB Output is correct
25 Correct 101 ms 120940 KB Output is correct
26 Correct 106 ms 120940 KB Output is correct
27 Incorrect 67 ms 120960 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 120940 KB Output is correct
2 Correct 67 ms 120940 KB Output is correct
3 Correct 69 ms 120940 KB Output is correct
4 Correct 66 ms 120940 KB Output is correct
5 Correct 68 ms 120940 KB Output is correct
6 Correct 67 ms 120940 KB Output is correct
7 Correct 70 ms 120940 KB Output is correct
8 Correct 100 ms 120940 KB Output is correct
9 Correct 100 ms 120940 KB Output is correct
10 Correct 100 ms 121196 KB Output is correct
11 Correct 100 ms 120940 KB Output is correct
12 Correct 100 ms 120940 KB Output is correct
13 Correct 104 ms 120940 KB Output is correct
14 Correct 69 ms 120940 KB Output is correct
15 Correct 66 ms 120940 KB Output is correct
16 Correct 67 ms 120960 KB Output is correct
17 Correct 67 ms 120940 KB Output is correct
18 Correct 66 ms 120940 KB Output is correct
19 Correct 69 ms 120940 KB Output is correct
20 Correct 76 ms 120940 KB Output is correct
21 Correct 101 ms 120940 KB Output is correct
22 Correct 105 ms 120940 KB Output is correct
23 Correct 101 ms 120940 KB Output is correct
24 Correct 103 ms 120940 KB Output is correct
25 Correct 101 ms 120940 KB Output is correct
26 Correct 100 ms 120940 KB Output is correct
27 Correct 66 ms 120940 KB Output is correct
28 Correct 66 ms 120940 KB Output is correct
29 Correct 69 ms 120940 KB Output is correct
30 Correct 68 ms 120940 KB Output is correct
31 Correct 79 ms 120940 KB Output is correct
32 Correct 68 ms 120940 KB Output is correct
33 Correct 70 ms 120812 KB Output is correct
34 Correct 74 ms 120940 KB Output is correct
35 Correct 72 ms 120940 KB Output is correct
36 Correct 74 ms 120940 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 120940 KB Output is correct
2 Correct 69 ms 120944 KB Output is correct
3 Correct 66 ms 120940 KB Output is correct
4 Correct 79 ms 120940 KB Output is correct
5 Correct 69 ms 120940 KB Output is correct
6 Correct 68 ms 120940 KB Output is correct
7 Correct 71 ms 120940 KB Output is correct
8 Correct 100 ms 120940 KB Output is correct
9 Correct 101 ms 120940 KB Output is correct
10 Correct 99 ms 120940 KB Output is correct
11 Correct 105 ms 121068 KB Output is correct
12 Correct 99 ms 120940 KB Output is correct
13 Correct 101 ms 121068 KB Output is correct
14 Correct 68 ms 120940 KB Output is correct
15 Correct 66 ms 120940 KB Output is correct
16 Correct 67 ms 120940 KB Output is correct
17 Correct 67 ms 120940 KB Output is correct
18 Correct 69 ms 120940 KB Output is correct
19 Correct 69 ms 120940 KB Output is correct
20 Correct 69 ms 120940 KB Output is correct
21 Correct 68 ms 120940 KB Output is correct
22 Correct 70 ms 120940 KB Output is correct
23 Correct 69 ms 120940 KB Output is correct
24 Correct 71 ms 120940 KB Output is correct
25 Correct 77 ms 120940 KB Output is correct
26 Correct 90 ms 120940 KB Output is correct
27 Correct 110 ms 120940 KB Output is correct
28 Correct 127 ms 120960 KB Output is correct
29 Correct 106 ms 120940 KB Output is correct
30 Correct 109 ms 120940 KB Output is correct
31 Correct 141 ms 120940 KB Output is correct
32 Correct 143 ms 120940 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 120940 KB Output is correct
2 Correct 66 ms 120940 KB Output is correct
3 Correct 67 ms 120940 KB Output is correct
4 Correct 69 ms 120940 KB Output is correct
5 Correct 67 ms 120940 KB Output is correct
6 Correct 67 ms 120940 KB Output is correct
7 Correct 72 ms 120940 KB Output is correct
8 Correct 100 ms 120940 KB Output is correct
9 Correct 101 ms 120940 KB Output is correct
10 Correct 101 ms 120940 KB Output is correct
11 Correct 101 ms 120940 KB Output is correct
12 Correct 100 ms 120940 KB Output is correct
13 Correct 101 ms 120940 KB Output is correct
14 Correct 66 ms 120940 KB Output is correct
15 Correct 69 ms 120940 KB Output is correct
16 Correct 67 ms 120940 KB Output is correct
17 Correct 66 ms 120940 KB Output is correct
18 Correct 67 ms 120940 KB Output is correct
19 Correct 67 ms 120940 KB Output is correct
20 Correct 71 ms 120940 KB Output is correct
21 Correct 101 ms 121068 KB Output is correct
22 Correct 101 ms 120940 KB Output is correct
23 Correct 102 ms 120940 KB Output is correct
24 Correct 101 ms 120940 KB Output is correct
25 Correct 99 ms 120940 KB Output is correct
26 Correct 101 ms 120940 KB Output is correct
27 Incorrect 67 ms 121068 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 120940 KB Output is correct
2 Correct 66 ms 120940 KB Output is correct
3 Correct 67 ms 120940 KB Output is correct
4 Correct 66 ms 120940 KB Output is correct
5 Correct 68 ms 120940 KB Output is correct
6 Correct 68 ms 120940 KB Output is correct
7 Correct 73 ms 120940 KB Output is correct
8 Correct 110 ms 120940 KB Output is correct
9 Correct 102 ms 120940 KB Output is correct
10 Correct 103 ms 120940 KB Output is correct
11 Correct 100 ms 120940 KB Output is correct
12 Correct 101 ms 120940 KB Output is correct
13 Correct 101 ms 120940 KB Output is correct
14 Incorrect 67 ms 120940 KB Output isn't correct
15 Halted 0 ms 0 KB -