oj.uz

Submission #349796

# Submission time Handle Problem Language Result Execution time Memory
349796 2021-01-18T12:15:40 Z AmineWeslati Bali Sculptures (APIO15_sculpture) C++14
71 / 100
 1000 ms 640 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 = 150 + 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
}

const int MX2=2000+15;
const int LOG=50;

int N,A,B;
vi a(MX2),vis(LOG,-1);
int memo[MX][MX],memo2[MX2];

bool check(ll x){
	bitset<LOG>b(x);
	FOR(i,0,LOG) if(!vis[i] && b[i]) return 0;
	return 1;
}

int solve(int i, int n){
	if(i==N){
		if(!(n>=A && n<=B)) return 0;
		return 1;
	}

	int &ind=memo[i][n];
	if(ind!=-1) return ind;
	int ans=0; ll cur=0;
	FOR(j,i,N){
		cur+=a[j];
		if(check(cur)) ans|=solve(j+1,n+1);
	}
	return ind=ans;
}

int solve2(int i){
    if(i==N) return 0;
    if(memo2[i]!=-1) return memo2[i];
    int ans=INF; ll cur=0;
    FOR(j,i,N){
        cur+=a[j];
        if(check(cur)) ckmin(ans,solve2(j+1)+1);
    }
    return memo2[i]=ans;
}

int main() {
    boost; IO();

    cin>>N>>A>>B;
    FOR(i,0,N) cin>>a[i];

    if(N<=100){
        ROF(i,0,LOG){
        	vis[i]=0;
        	memset(memo,-1,sizeof(memo));
        	if(!solve(0,0)) vis[i]=1;
        }
    }
    else{
        ROF(i,0,LOG){
            vis[i]=0;
            memset(memo2,-1,sizeof(memo2));
            if(solve2(0)>B) vis[i]=1;
        }
    }

    ll ans=0;
    ROF(i,0,LOG){
    	ans*=2;
    	ans+=vis[i];
    }
    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
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 6 ms 492 KB Output is correct
9 Correct 8 ms 492 KB Output is correct
10 Correct 6 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 6 ms 492 KB Output is correct
13 Correct 7 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 4 ms 492 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 5 ms 492 KB Output is correct
23 Correct 6 ms 640 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 1 ms 640 KB Output is correct
28 Correct 1 ms 632 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 3 ms 492 KB Output is correct
33 Correct 4 ms 640 KB Output is correct
34 Correct 4 ms 632 KB Output is correct
35 Correct 6 ms 492 KB Output is correct
36 Correct 5 ms 492 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 492 KB Output is correct
8 Correct 8 ms 640 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 6 ms 492 KB Output is correct
12 Correct 6 ms 492 KB Output is correct
13 Correct 6 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 4 ms 492 KB Output is correct
20 Correct 4 ms 640 KB Output is correct
21 Correct 6 ms 492 KB Output is correct
22 Correct 7 ms 492 KB Output is correct
23 Correct 8 ms 492 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 8 ms 640 KB Output is correct
27 Correct 6 ms 492 KB Output is correct
28 Correct 10 ms 492 KB Output is correct
29 Correct 33 ms 620 KB Output is correct
30 Correct 59 ms 492 KB Output is correct
31 Correct 70 ms 508 KB Output is correct
32 Correct 69 ms 640 KB Output is correct
33 Correct 75 ms 508 KB Output is correct
34 Correct 69 ms 508 KB Output is correct
35 Correct 70 ms 492 KB Output is correct
36 Correct 70 ms 492 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 4 ms 640 KB Output is correct
7 Correct 5 ms 492 KB Output is correct
8 Correct 8 ms 508 KB Output is correct
9 Correct 6 ms 492 KB Output is correct
10 Correct 6 ms 620 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 5 ms 492 KB Output is correct
14 Correct 6 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 32 ms 492 KB Output is correct
17 Correct 42 ms 492 KB Output is correct
18 Correct 78 ms 492 KB Output is correct
19 Correct 79 ms 492 KB Output is correct
20 Correct 72 ms 620 KB Output is correct
21 Correct 80 ms 508 KB Output is correct
22 Correct 70 ms 508 KB Output is correct
23 Correct 71 ms 492 KB Output is correct
24 Correct 73 ms 492 KB Output is correct
25 Correct 165 ms 620 KB Output is correct
26 Correct 260 ms 620 KB Output is correct
27 Correct 441 ms 620 KB Output is correct
28 Correct 527 ms 620 KB Output is correct
29 Correct 513 ms 492 KB Output is correct
30 Correct 551 ms 492 KB Output is correct
31 Correct 536 ms 492 KB Output is correct
32 Correct 526 ms 620 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 4 ms 492 KB Output is correct
8 Correct 6 ms 492 KB Output is correct
9 Correct 6 ms 492 KB Output is correct
10 Correct 5 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 6 ms 492 KB Output is correct
13 Correct 5 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 4 ms 492 KB Output is correct
21 Correct 6 ms 492 KB Output is correct
22 Correct 5 ms 492 KB Output is correct
23 Correct 6 ms 492 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 6 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 3 ms 492 KB Output is correct
33 Correct 4 ms 492 KB Output is correct
34 Correct 4 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 5 ms 492 KB Output is correct
37 Correct 6 ms 492 KB Output is correct
38 Correct 10 ms 492 KB Output is correct
39 Correct 31 ms 492 KB Output is correct
40 Correct 42 ms 492 KB Output is correct
41 Correct 69 ms 492 KB Output is correct
42 Correct 71 ms 620 KB Output is correct
43 Correct 72 ms 492 KB Output is correct
44 Correct 69 ms 492 KB Output is correct
45 Correct 70 ms 620 KB Output is correct
46 Correct 72 ms 492 KB Output is correct
47 Correct 73 ms 620 KB Output is correct
48 Correct 150 ms 508 KB Output is correct
49 Correct 252 ms 492 KB Output is correct
50 Correct 395 ms 620 KB Output is correct
51 Correct 525 ms 492 KB Output is correct
52 Correct 522 ms 492 KB Output is correct
53 Correct 537 ms 620 KB Output is correct
54 Correct 530 ms 492 KB Output is correct
55 Correct 525 ms 620 KB Output is correct
56 Correct 33 ms 492 KB Output is correct
57 Correct 120 ms 492 KB Output is correct
58 Correct 166 ms 620 KB Output is correct
59 Correct 220 ms 620 KB Output is correct
60 Correct 214 ms 492 KB Output is correct
61 Correct 225 ms 492 KB Output is correct
62 Correct 248 ms 620 KB Output is correct
63 Correct 260 ms 492 KB Output is correct
64 Correct 417 ms 508 KB Output is correct
65 Correct 32 ms 396 KB Output is correct
66 Correct 67 ms 492 KB Output is correct
67 Correct 112 ms 508 KB Output is correct
68 Correct 171 ms 492 KB Output is correct
69 Correct 217 ms 620 KB Output is correct
70 Correct 211 ms 620 KB Output is correct
71 Correct 229 ms 492 KB Output is correct
72 Correct 253 ms 620 KB Output is correct
73 Correct 253 ms 492 KB Output is correct
74 Correct 256 ms 620 KB Output is correct

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 4 ms 492 KB Output is correct
8 Correct 6 ms 492 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 5 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 6 ms 492 KB Output is correct
13 Correct 6 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 3 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 5 ms 492 KB Output is correct
21 Correct 4 ms 492 KB Output is correct
22 Correct 5 ms 492 KB Output is correct
23 Correct 5 ms 492 KB Output is correct
24 Correct 6 ms 492 KB Output is correct
25 Correct 9 ms 492 KB Output is correct
26 Correct 32 ms 620 KB Output is correct
27 Correct 43 ms 492 KB Output is correct
28 Correct 69 ms 492 KB Output is correct
29 Correct 69 ms 620 KB Output is correct
30 Correct 71 ms 620 KB Output is correct
31 Correct 69 ms 492 KB Output is correct
32 Correct 71 ms 492 KB Output is correct
33 Correct 69 ms 492 KB Output is correct
34 Correct 71 ms 492 KB Output is correct
35 Correct 151 ms 492 KB Output is correct
36 Correct 260 ms 620 KB Output is correct
37 Correct 417 ms 508 KB Output is correct
38 Correct 545 ms 620 KB Output is correct
39 Correct 515 ms 620 KB Output is correct
40 Correct 538 ms 492 KB Output is correct
41 Correct 530 ms 620 KB Output is correct
42 Correct 523 ms 620 KB Output is correct
43 Correct 31 ms 492 KB Output is correct
44 Correct 114 ms 492 KB Output is correct
45 Correct 169 ms 492 KB Output is correct
46 Correct 220 ms 492 KB Output is correct
47 Correct 209 ms 620 KB Output is correct
48 Correct 224 ms 492 KB Output is correct
49 Correct 245 ms 620 KB Output is correct
50 Correct 265 ms 512 KB Output is correct
51 Correct 9 ms 364 KB Output is correct
52 Correct 324 ms 492 KB Output is correct
53 Correct 354 ms 364 KB Output is correct
54 Execution timed out 1090 ms 364 KB Time limit exceeded
55 Halted 0 ms 0 KB -