oj.uz

Submission #107862

# Submission time Handle Problem Language Result Execution time Memory
107862 2019-04-26T04:14:38 Z qkxwsm Money (IZhO17_money) C++14
45 / 100
 1500 ms 47360 KB 
//clever
#include <iostream>
#include <cstdio>
#include <set>

// #pragma GCC optimize ("O3")
// #pragma GCC target ("sse4")
// #include <bits/stdc++.h>
// #include <ext/pb_ds/tree_policy.hpp>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/rope>
//
using namespace std;
// using namespace __gnu_pbds;
// using namespace __gnu_cxx;
//
// random_device(rd);
// mt19937 rng(rd());
// const long long FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
//
// struct custom_hash
// {
// 	template<class T>
// 	unsigned long long operator()(T v) const
// 	{
// 		unsigned long long x = v;
// 		x += FIXED_RANDOM;
// 		// x += 11400714819323198485ull;
// 		// x = (x ^ (x >> 30)) * 13787848793156543929ull;
// 		x = (x ^ (x >> 27)) * 10723151780598845931ull;
// 		return x ^ (x >> 31);
// 	}
// };
//
// template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// template<class T, class U> using hash_table = gp_hash_table<T, U, custom_hash>;
//
// template<class T>
// T randomize(T mod)
// {
// 	return (uniform_int_distribution<T>(0, mod - 1))(rng);
// }
template<class T>
void readi(T &x)
{
	x = 0;
	bool negative = false;
	char c = ' ';
	while (c < '-')
	{
		c = getchar();
	}
	if (c == '-')
	{
		negative = true;
		c = getchar();
	}
	while (c >= '0')
	{
		x = x * 10 + (c - '0');
		c = getchar();
	}
	if (negative)
	{
		x = -x;
	}
}
template<class T>
void printi(T output)
{
	if (output == 0)
	{
		putchar('0');
		return;
	}
	if (output < 0)
	{
		putchar('-');
		output = -output;
	}
	int buf[20], n = 0;
	while(output)
	{
		buf[n] = ((output % 10));
		output /= 10;
		n++;
	}
	for (n--; n >= 0; n--)
	{
		putchar(buf[n] + '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);
// }
// long long expo(long long a, long long e, long long mod)
// {
// 	return ((e == 0) ? 1 : ((expo(a * a % mod, e >> 1, mod)) * ((e & 1) ? a : 1) % mod));
// }
// template<class T, class U>
// void nmod(T &x, U mod)
// {
// 	if (x >= mod) x -= mod;
// }
// template<class T>
// T gcd(T a, T b)
// {
// 	return (b ? gcd(b, a % b) : a);
// }
//
// #define y0 ___y0
// #define y1 ___y1
// #define MP make_pair
// #define PB push_back
// #define LB lower_bound
#define UB upper_bound
// #define fi first
// #define se second
// #define DBG(x) cerr << #x << " = " << (x) << endl
// #define SZ(x) ((int) ((x).size()))
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
// #define ALL(x) (x).begin(), (x).end()
//
// const long double PI = 4.0 * atan(1.0);
// const long double EPS = 1e-9;
//
// #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 1000013
//
// typedef long long ll;
// typedef long double ld;
// typedef pair<int, int> pii;
// typedef pair<ll, ll> pll;
// typedef pair<ld, ld> pdd;
// typedef vector<int> vi;
// typedef vector<ll> vl;
// typedef vector<ld> vd;
// typedef vector<pii> vpi;
// typedef vector<pll> vpl;
// typedef vector<pdd> vpd;

int N;
set<int> s;
int L, R, ans;

int32_t main()
{
	// ios_base::sync_with_stdio(0); cin.tie(0);
	// cout << fixed << setprecision(10);
	// cerr << fixed << setprecision(10);
	// if (fopen("file.in", "r"))
	// {
	// 	freopen ("file.in", "r", stdin);
	// 	freopen ("file.out", "w", stdout);
	// }
	readi(N);
	s.insert(0); s.insert(1000001);
	L = 0; R = 1000001;
	FOR(i, 0, N)
	{
		int x; readi(x);
		if (x < L || x > R)
		{
			ans++;
			R = *s.UB(x);
		}
		L = x;
		s.insert(x);
	}
	ans++;
	printi(ans); putchar('\n');
	//divide it into minimum # of decreasing subsequences
	// cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
	return 0;
}
/* READ READ READ
* int overflow, maxn too small, special cases (n=1?, two distinct?), cin.tie() interactive
* reread the problem, try small cases
* note down possible sources of error as you go
* do smth instead of nothing
*/

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 356 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 356 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 356 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 384 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 356 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 53 ms 356 KB Output is correct
40 Correct 87 ms 356 KB Output is correct
41 Correct 42 ms 360 KB Output is correct
42 Correct 32 ms 256 KB Output is correct
43 Correct 29 ms 256 KB Output is correct
44 Correct 96 ms 376 KB Output is correct
45 Correct 89 ms 256 KB Output is correct
46 Correct 94 ms 256 KB Output is correct
47 Correct 85 ms 384 KB Output is correct
48 Correct 89 ms 476 KB Output is correct
49 Correct 680 ms 18808 KB Output is correct
50 Correct 711 ms 18864 KB Output is correct
51 Correct 764 ms 19064 KB Output is correct
52 Correct 736 ms 18820 KB Output is correct
53 Correct 725 ms 18944 KB Output is correct
54 Correct 794 ms 19064 KB Output is correct
55 Execution timed out 1558 ms 47360 KB Time limit exceeded
56 Halted 0 ms 0 KB -