oj.uz

Submission #77306

# Submission time Handle Problem Language Result Execution time Memory
77306 2018-09-25T03:21:11 Z qkxwsm Bali Sculptures (APIO15_sculpture) C++17
71 / 100
 162 ms 908 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];
				if (rsum & (1ll << i)) continue;
				ok[k] |= (ok[j] << 1);
			}
		}
		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:200:11: 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:201:11: 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 384 KB Output is correct
3 Correct 2 ms 588 KB Output is correct
4 Correct 2 ms 588 KB Output is correct
5 Correct 2 ms 588 KB Output is correct
6 Correct 0 ms 588 KB Output is correct
7 Correct 2 ms 588 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 3 ms 588 KB Output is correct
11 Correct 2 ms 588 KB Output is correct
12 Correct 2 ms 684 KB Output is correct
13 Correct 3 ms 684 KB Output is correct
14 Correct 2 ms 684 KB Output is correct
15 Correct 2 ms 684 KB Output is correct
16 Correct 2 ms 684 KB Output is correct
17 Correct 2 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 2 ms 732 KB Output is correct
20 Correct 2 ms 732 KB Output is correct
21 Correct 2 ms 732 KB Output is correct
22 Correct 3 ms 732 KB Output is correct
23 Correct 2 ms 732 KB Output is correct
24 Correct 2 ms 732 KB Output is correct
25 Correct 2 ms 732 KB Output is correct
26 Correct 3 ms 732 KB Output is correct
27 Correct 2 ms 732 KB Output is correct
28 Correct 2 ms 732 KB Output is correct
29 Correct 2 ms 732 KB Output is correct
30 Correct 2 ms 732 KB Output is correct
31 Correct 2 ms 732 KB Output is correct
32 Correct 2 ms 732 KB Output is correct
33 Correct 3 ms 732 KB Output is correct
34 Correct 3 ms 732 KB Output is correct
35 Correct 2 ms 732 KB Output is correct
36 Correct 3 ms 732 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 732 KB Output is correct
2 Correct 2 ms 732 KB Output is correct
3 Correct 2 ms 732 KB Output is correct
4 Correct 2 ms 732 KB Output is correct
5 Correct 2 ms 732 KB Output is correct
6 Correct 3 ms 732 KB Output is correct
7 Correct 2 ms 732 KB Output is correct
8 Correct 2 ms 732 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 732 KB Output is correct
11 Correct 2 ms 732 KB Output is correct
12 Correct 2 ms 732 KB Output is correct
13 Correct 3 ms 732 KB Output is correct
14 Correct 3 ms 732 KB Output is correct
15 Correct 2 ms 732 KB Output is correct
16 Correct 2 ms 732 KB Output is correct
17 Correct 2 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 2 ms 732 KB Output is correct
20 Correct 2 ms 732 KB Output is correct
21 Correct 2 ms 732 KB Output is correct
22 Correct 2 ms 732 KB Output is correct
23 Correct 2 ms 732 KB Output is correct
24 Correct 2 ms 732 KB Output is correct
25 Correct 2 ms 732 KB Output is correct
26 Correct 3 ms 748 KB Output is correct
27 Correct 4 ms 748 KB Output is correct
28 Correct 3 ms 748 KB Output is correct
29 Correct 4 ms 748 KB Output is correct
30 Correct 6 ms 748 KB Output is correct
31 Correct 10 ms 748 KB Output is correct
32 Correct 9 ms 748 KB Output is correct
33 Correct 3 ms 748 KB Output is correct
34 Correct 10 ms 748 KB Output is correct
35 Correct 8 ms 748 KB Output is correct
36 Correct 6 ms 748 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 748 KB Output is correct
2 Correct 2 ms 748 KB Output is correct
3 Correct 3 ms 748 KB Output is correct
4 Correct 2 ms 748 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 3 ms 748 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 2 ms 748 KB Output is correct
11 Correct 2 ms 752 KB Output is correct
12 Correct 2 ms 752 KB Output is correct
13 Correct 3 ms 752 KB Output is correct
14 Correct 5 ms 752 KB Output is correct
15 Correct 3 ms 752 KB Output is correct
16 Correct 3 ms 752 KB Output is correct
17 Correct 7 ms 752 KB Output is correct
18 Correct 9 ms 752 KB Output is correct
19 Correct 10 ms 752 KB Output is correct
20 Correct 2 ms 752 KB Output is correct
21 Correct 9 ms 752 KB Output is correct
22 Correct 8 ms 752 KB Output is correct
23 Correct 5 ms 752 KB Output is correct
24 Correct 14 ms 752 KB Output is correct
25 Correct 11 ms 752 KB Output is correct
26 Correct 31 ms 752 KB Output is correct
27 Correct 93 ms 752 KB Output is correct
28 Correct 162 ms 764 KB Output is correct
29 Correct 118 ms 764 KB Output is correct
30 Correct 3 ms 764 KB Output is correct
31 Correct 59 ms 764 KB Output is correct
32 Correct 90 ms 780 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 780 KB Output is correct
2 Correct 2 ms 780 KB Output is correct
3 Correct 2 ms 780 KB Output is correct
4 Correct 2 ms 780 KB Output is correct
5 Correct 2 ms 780 KB Output is correct
6 Correct 2 ms 780 KB Output is correct
7 Correct 2 ms 780 KB Output is correct
8 Correct 2 ms 780 KB Output is correct
9 Correct 2 ms 780 KB Output is correct
10 Correct 2 ms 780 KB Output is correct
11 Correct 2 ms 780 KB Output is correct
12 Correct 3 ms 780 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 2 ms 780 KB Output is correct
18 Correct 3 ms 780 KB Output is correct
19 Correct 2 ms 780 KB Output is correct
20 Correct 2 ms 780 KB Output is correct
21 Correct 3 ms 780 KB Output is correct
22 Correct 2 ms 780 KB Output is correct
23 Correct 2 ms 780 KB Output is correct
24 Correct 2 ms 780 KB Output is correct
25 Correct 3 ms 780 KB Output is correct
26 Correct 3 ms 780 KB Output is correct
27 Correct 3 ms 780 KB Output is correct
28 Correct 2 ms 780 KB Output is correct
29 Correct 2 ms 780 KB Output is correct
30 Correct 2 ms 780 KB Output is correct
31 Correct 2 ms 780 KB Output is correct
32 Correct 2 ms 780 KB Output is correct
33 Correct 2 ms 780 KB Output is correct
34 Correct 3 ms 780 KB Output is correct
35 Correct 2 ms 780 KB Output is correct
36 Correct 3 ms 780 KB Output is correct
37 Correct 3 ms 780 KB Output is correct
38 Correct 3 ms 780 KB Output is correct
39 Correct 3 ms 780 KB Output is correct
40 Correct 7 ms 780 KB Output is correct
41 Correct 9 ms 780 KB Output is correct
42 Correct 8 ms 780 KB Output is correct
43 Correct 2 ms 780 KB Output is correct
44 Correct 9 ms 780 KB Output is correct
45 Correct 8 ms 780 KB Output is correct
46 Correct 7 ms 780 KB Output is correct
47 Correct 9 ms 780 KB Output is correct
48 Correct 7 ms 780 KB Output is correct
49 Correct 19 ms 780 KB Output is correct
50 Correct 57 ms 780 KB Output is correct
51 Correct 119 ms 780 KB Output is correct
52 Correct 116 ms 780 KB Output is correct
53 Correct 4 ms 780 KB Output is correct
54 Correct 58 ms 780 KB Output is correct
55 Correct 91 ms 780 KB Output is correct
56 Correct 8 ms 780 KB Output is correct
57 Correct 17 ms 780 KB Output is correct
58 Correct 48 ms 780 KB Output is correct
59 Correct 123 ms 780 KB Output is correct
60 Correct 95 ms 780 KB Output is correct
61 Correct 3 ms 780 KB Output is correct
62 Correct 92 ms 780 KB Output is correct
63 Correct 117 ms 832 KB Output is correct
64 Correct 68 ms 832 KB Output is correct
65 Correct 5 ms 832 KB Output is correct
66 Correct 6 ms 832 KB Output is correct
67 Correct 19 ms 832 KB Output is correct
68 Correct 31 ms 832 KB Output is correct
69 Correct 40 ms 832 KB Output is correct
70 Correct 49 ms 832 KB Output is correct
71 Correct 3 ms 832 KB Output is correct
72 Correct 93 ms 832 KB Output is correct
73 Correct 31 ms 832 KB Output is correct
74 Correct 33 ms 832 KB Output is correct

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 832 KB Output is correct
2 Correct 2 ms 832 KB Output is correct
3 Correct 2 ms 832 KB Output is correct
4 Correct 2 ms 832 KB Output is correct
5 Correct 2 ms 832 KB Output is correct
6 Correct 3 ms 832 KB Output is correct
7 Correct 2 ms 832 KB Output is correct
8 Correct 2 ms 832 KB Output is correct
9 Correct 2 ms 832 KB Output is correct
10 Correct 2 ms 832 KB Output is correct
11 Correct 2 ms 832 KB Output is correct
12 Correct 2 ms 832 KB Output is correct
13 Correct 3 ms 832 KB Output is correct
14 Correct 2 ms 832 KB Output is correct
15 Correct 2 ms 832 KB Output is correct
16 Correct 2 ms 832 KB Output is correct
17 Correct 2 ms 832 KB Output is correct
18 Correct 2 ms 832 KB Output is correct
19 Correct 2 ms 832 KB Output is correct
20 Correct 3 ms 832 KB Output is correct
21 Correct 3 ms 832 KB Output is correct
22 Correct 2 ms 832 KB Output is correct
23 Correct 3 ms 832 KB Output is correct
24 Correct 4 ms 832 KB Output is correct
25 Correct 3 ms 832 KB Output is correct
26 Correct 3 ms 832 KB Output is correct
27 Correct 8 ms 832 KB Output is correct
28 Correct 8 ms 832 KB Output is correct
29 Correct 8 ms 832 KB Output is correct
30 Correct 2 ms 832 KB Output is correct
31 Correct 10 ms 832 KB Output is correct
32 Correct 8 ms 876 KB Output is correct
33 Correct 5 ms 876 KB Output is correct
34 Correct 9 ms 876 KB Output is correct
35 Correct 7 ms 876 KB Output is correct
36 Correct 19 ms 876 KB Output is correct
37 Correct 60 ms 876 KB Output is correct
38 Correct 152 ms 876 KB Output is correct
39 Correct 135 ms 876 KB Output is correct
40 Correct 3 ms 876 KB Output is correct
41 Correct 59 ms 876 KB Output is correct
42 Correct 95 ms 876 KB Output is correct
43 Correct 8 ms 876 KB Output is correct
44 Correct 17 ms 876 KB Output is correct
45 Correct 48 ms 876 KB Output is correct
46 Correct 91 ms 876 KB Output is correct
47 Correct 85 ms 876 KB Output is correct
48 Correct 3 ms 876 KB Output is correct
49 Correct 93 ms 876 KB Output is correct
50 Correct 93 ms 876 KB Output is correct
51 Correct 26 ms 876 KB Output is correct
52 Runtime error 2 ms 908 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -