oj.uz

Submission #77304

# Submission time Handle Problem Language Result Execution time Memory
77304 2018-09-25T03:19:21 Z qkxwsm Bali Sculptures (APIO15_sculpture) C++17
25 / 100
 1000 ms 764 KB 
/*
PROG: source
LANG: C++11
_____
.'     '.
/  0   0  \
|     ^     |
|  \     /  |
\  '---'  /
'._____.'
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

struct chash
{
	int operator()(int x) const
	{
		x ^= (x >> 20) ^ (x >> 12);
		return x ^ (x >> 7) ^ (x >> 4);
	}
	int operator()(long long x) const
	{
		return x ^ (x >> 32);
	}
};

template<typename T> using orderedset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using hashtable = gp_hash_table<T, U, chash>;

template<class T>
void readi(T &x)
{
	T input = 0;
	bool negative = false;
	char c = ' ';
	while (c < '-')
	{
		c = getchar();
	}
	if (c == '-')
	{
		negative = true;
		c = getchar();
	}
	while (c >= '0')
	{
		input = input * 10 + (c - '0');
		c = getchar();
	}
	if (negative)
	{
		input = -input;
	}
	x = input;
}
template<class T>
void printi(T output)
{
	if (output == 0)
	{
		putchar('0');
		return;
	}
	if (output < 0)
	{
		putchar('-');
		output = -output;
	}
	int aout[20];
	int ilen = 0;
	while(output)
	{
		aout[ilen] = ((output % 10));
		output /= 10;
		ilen++;
	}
	for (int i = ilen - 1; i >= 0; i--)
	{
		putchar(aout[i] + '0');
	}
	return;
}
template<class T>
void ckmin(T &a, T b)
{
	a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
	a = max(a, b);
}
template<class T, class U>
T normalize(T x, U mod = 1000000007)
{
	return (((x % mod) + mod) % mod);
}
long long randomizell(long long mod)
{
	return ((1ll << 45) * rand() + (1ll << 30) * rand() + (1ll << 15) * rand() + rand()) % mod;
}
int randomize(int mod)
{
	return ((1ll << 15) * rand() + rand()) % mod;
}

#define y0 ___y0
#define y1 ___y1
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define PF push_front
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define debug(x) cerr << #x << " = " << x << endl;

const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-10;

#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 113

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;

int N, L, R;
ll arr[MAXN], pref[MAXN];
bitset<MAXN> edge[MAXN], ok[MAXN];
ll ans = LLINF, best;

ll solve(int d)
{
	best = 0;
	for (int i = 0; i <= N; i++)
	{
		edge[i].set();
	}
	for (int i = 50; i >= 0; i--)
	{
		for (int j = 0; j <= N; j++) ok[j].reset();
		ok[0][0] = true;
		for (int j = 0; j < N; j++)
		{
			for (int k = j + 1; k <= N; k++)
			{
				if (!edge[j][k]) continue;
				ll rsum = pref[k] - pref[j];
				for (int m = 0; m <= R; m++)
				{
					if (!ok[j][m])
					{
						continue;
					}
					if (!(rsum & (1ll << i)))
					{
						ok[k][m + 1] = true;
					}
				}
			}
		}
		if (!ok[N][d])
		{
			best += (1ll << i);
		}
		else
		{
			for (int j = 0; j < N; j++)
			{
				for (int k = j + 1; k <= N; k++)
				{
					ll rsum = pref[k] - pref[j];
					if (rsum & (1ll << i))
					{
						edge[j][k] = false;
					}
				}
			}
		}
	}
	//delete an edge, ask if there's a path between 0 and v in exactly m moves
	return best;
}

int32_t main()
{
	ios_base::sync_with_stdio(0);
	srand(time(0));
	//	cout << fixed << setprecision(10);
	//	cerr << fixed << setprecision(10);
	if (fopen("input.in", "r"))
	{
		freopen ("input.in", "r", stdin);
		freopen ("output.out", "w", stdout);
	}
	cin >> N >> L >> R;
	for (int i = 0; i < N; i++)
	{
		cin >> arr[i];
		pref[i + 1] = pref[i] + arr[i];
	}
	for (int i = L; i <= R; i++)
	{
		ckmin(ans, solve(i));
	}
	cout << ans << '\n';
	//	cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
	return 0;
}

Compilation message

sculpture.cpp: In function 'int32_t main()':
sculpture.cpp:209:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen ("input.in", "r", stdin);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:210:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen ("output.out", "w", stdout);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 6 ms 472 KB Output is correct
7 Correct 3 ms 496 KB Output is correct
8 Correct 3 ms 496 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 556 KB Output is correct
11 Correct 3 ms 556 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 10 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 3 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 3 ms 708 KB Output is correct
22 Correct 3 ms 708 KB Output is correct
23 Correct 3 ms 708 KB Output is correct
24 Correct 2 ms 708 KB Output is correct
25 Correct 4 ms 708 KB Output is correct
26 Correct 5 ms 708 KB Output is correct
27 Correct 2 ms 708 KB Output is correct
28 Correct 2 ms 708 KB Output is correct
29 Correct 3 ms 708 KB Output is correct
30 Correct 2 ms 708 KB Output is correct
31 Correct 3 ms 708 KB Output is correct
32 Correct 2 ms 708 KB Output is correct
33 Correct 5 ms 708 KB Output is correct
34 Correct 10 ms 708 KB Output is correct
35 Correct 2 ms 708 KB Output is correct
36 Correct 16 ms 708 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 708 KB Output is correct
2 Correct 2 ms 708 KB Output is correct
3 Correct 2 ms 752 KB Output is correct
4 Correct 2 ms 752 KB Output is correct
5 Correct 2 ms 752 KB Output is correct
6 Correct 5 ms 752 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 2 ms 752 KB Output is correct
10 Correct 3 ms 752 KB Output is correct
11 Correct 2 ms 752 KB Output is correct
12 Correct 3 ms 752 KB Output is correct
13 Correct 10 ms 752 KB Output is correct
14 Correct 2 ms 752 KB Output is correct
15 Correct 2 ms 760 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 2 ms 760 KB Output is correct
19 Correct 2 ms 760 KB Output is correct
20 Correct 2 ms 760 KB Output is correct
21 Correct 4 ms 760 KB Output is correct
22 Correct 3 ms 760 KB Output is correct
23 Correct 3 ms 760 KB Output is correct
24 Correct 2 ms 760 KB Output is correct
25 Correct 5 ms 760 KB Output is correct
26 Correct 6 ms 760 KB Output is correct
27 Correct 14 ms 760 KB Output is correct
28 Correct 8 ms 760 KB Output is correct
29 Correct 5 ms 760 KB Output is correct
30 Correct 42 ms 760 KB Output is correct
31 Correct 65 ms 760 KB Output is correct
32 Correct 65 ms 764 KB Output is correct
33 Correct 3 ms 764 KB Output is correct
34 Correct 70 ms 764 KB Output is correct
35 Correct 52 ms 764 KB Output is correct
36 Correct 21 ms 764 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 764 KB Output is correct
2 Correct 2 ms 764 KB Output is correct
3 Correct 2 ms 764 KB Output is correct
4 Correct 2 ms 764 KB Output is correct
5 Correct 2 ms 764 KB Output is correct
6 Correct 6 ms 764 KB Output is correct
7 Correct 3 ms 764 KB Output is correct
8 Correct 2 ms 764 KB Output is correct
9 Correct 3 ms 764 KB Output is correct
10 Correct 3 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 2 ms 764 KB Output is correct
13 Correct 10 ms 764 KB Output is correct
14 Correct 13 ms 764 KB Output is correct
15 Correct 7 ms 764 KB Output is correct
16 Correct 6 ms 764 KB Output is correct
17 Correct 39 ms 764 KB Output is correct
18 Correct 67 ms 764 KB Output is correct
19 Correct 67 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 66 ms 764 KB Output is correct
22 Correct 51 ms 764 KB Output is correct
23 Correct 21 ms 764 KB Output is correct
24 Correct 71 ms 764 KB Output is correct
25 Correct 32 ms 764 KB Output is correct
26 Correct 204 ms 764 KB Output is correct
27 Execution timed out 1076 ms 764 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 764 KB Output is correct
2 Correct 2 ms 764 KB Output is correct
3 Correct 2 ms 764 KB Output is correct
4 Correct 2 ms 764 KB Output is correct
5 Correct 2 ms 764 KB Output is correct
6 Correct 6 ms 764 KB Output is correct
7 Correct 2 ms 764 KB Output is correct
8 Correct 2 ms 764 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 2 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 12 ms 764 KB Output is correct
14 Correct 2 ms 764 KB Output is correct
15 Correct 2 ms 764 KB Output is correct
16 Correct 2 ms 764 KB Output is correct
17 Correct 2 ms 764 KB Output is correct
18 Correct 2 ms 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 3 ms 764 KB Output is correct
22 Correct 3 ms 764 KB Output is correct
23 Correct 3 ms 764 KB Output is correct
24 Correct 2 ms 764 KB Output is correct
25 Correct 3 ms 764 KB Output is correct
26 Correct 5 ms 764 KB Output is correct
27 Correct 2 ms 764 KB Output is correct
28 Correct 2 ms 764 KB Output is correct
29 Correct 3 ms 764 KB Output is correct
30 Correct 2 ms 764 KB Output is correct
31 Correct 3 ms 764 KB Output is correct
32 Correct 2 ms 764 KB Output is correct
33 Correct 5 ms 764 KB Output is correct
34 Correct 11 ms 764 KB Output is correct
35 Correct 2 ms 764 KB Output is correct
36 Correct 13 ms 764 KB Output is correct
37 Correct 14 ms 764 KB Output is correct
38 Correct 7 ms 764 KB Output is correct
39 Correct 6 ms 764 KB Output is correct
40 Correct 46 ms 764 KB Output is correct
41 Correct 68 ms 764 KB Output is correct
42 Correct 68 ms 764 KB Output is correct
43 Correct 3 ms 764 KB Output is correct
44 Correct 69 ms 764 KB Output is correct
45 Correct 49 ms 764 KB Output is correct
46 Correct 20 ms 764 KB Output is correct
47 Correct 68 ms 764 KB Output is correct
48 Correct 35 ms 764 KB Output is correct
49 Correct 205 ms 764 KB Output is correct
50 Execution timed out 1069 ms 764 KB Time limit exceeded
51 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 764 KB Output is correct
2 Correct 2 ms 764 KB Output is correct
3 Correct 2 ms 764 KB Output is correct
4 Correct 2 ms 764 KB Output is correct
5 Correct 2 ms 764 KB Output is correct
6 Correct 5 ms 764 KB Output is correct
7 Correct 2 ms 764 KB Output is correct
8 Correct 2 ms 764 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 2 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 11 ms 764 KB Output is correct
14 Correct 2 ms 764 KB Output is correct
15 Correct 2 ms 764 KB Output is correct
16 Correct 3 ms 764 KB Output is correct
17 Correct 2 ms 764 KB Output is correct
18 Correct 3 ms 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 6 ms 764 KB Output is correct
21 Correct 11 ms 764 KB Output is correct
22 Correct 2 ms 764 KB Output is correct
23 Correct 14 ms 764 KB Output is correct
24 Correct 13 ms 764 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 6 ms 764 KB Output is correct
27 Correct 43 ms 764 KB Output is correct
28 Correct 64 ms 764 KB Output is correct
29 Correct 68 ms 764 KB Output is correct
30 Correct 3 ms 764 KB Output is correct
31 Correct 67 ms 764 KB Output is correct
32 Correct 51 ms 764 KB Output is correct
33 Correct 21 ms 764 KB Output is correct
34 Correct 71 ms 764 KB Output is correct
35 Correct 35 ms 764 KB Output is correct
36 Correct 210 ms 764 KB Output is correct
37 Execution timed out 1080 ms 764 KB Time limit exceeded
38 Halted 0 ms 0 KB -