oj.uz

답안 #369278

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
369278 2021-02-21T05:30:05 Z Return_0 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
60 / 100
 426 ms 752108 KB 
#pragma GCC optimize("Ofast,unroll-loops")
// #pragma comment(linker, "/stack:200000000")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

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

#ifdef SINA
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) {
	const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); }
#define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush();
#else
#define dbg(...) 0
#define dbg2(x, j, n) 0
#endif
#define SZ(x) ((ll)((x).size()))
#define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout);
#define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i];
#define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n');
#define kill(x) return cout<< x << endl, 0
#define cl const ll
#define fr first
#define sc second
#define lc (v << 1)
#define rc (lc | 1)
#define mid ((l + r) >> 1)
#define All(x) (x).begin(), (x).end()

cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353;

template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';}
template <class A> ostream& operator << (ostream& out, const vector<A> &a) {
	out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; }
template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>;

cl N = 4e2;

ll a [N], dp [N][N][N][3], cnt [3][N], pos [3][N], n;
char c;

inline ll conv () {
	if (c == 'R')	return 0;
	if (c == 'G')	return 1;
	return 2;
}

int main ()
{
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	cin>> n;
	for (ll i = 1; i <= n; i++)	cin>> c, a[i] = conv();
	for (ll i = 1; i <= n; i++) {
		cnt[0][i] = cnt[0][i - 1]; cnt[1][i] = cnt[1][i - 1]; cnt[2][i] = cnt[2][i - 1];
		cnt[a[i]][i]++;
		pos[a[i]][cnt[a[i]][i]] = i;
	}

	memset(dp, 61, sizeof dp);
	for (ll i = 0; i < 3; i++) dp[0][0][0][i] = 0;

	ll t [3], p1, p2, p3, ow;
	for (t[0] = 0; t[0] <= cnt[0][n]; t[0]++) for (t[1] = 0; t[1] <= cnt[1][n]; t[1]++) for (t[2] = 0; t[2] <= cnt[2][n]; t[2]++)
	for (ll lst = 0; lst < 3; lst++) for (ll cur = 0; cur < 3; cur++) if (lst != cur && t[cur] < cnt[cur][n]) {
		ow = 3 ^ lst ^ cur;
		p1 = pos[cur][t[cur] + 1]; p2 = pos[lst][t[lst]]; p3 = pos[ow][t[ow]];
		ll tmp = dp[t[0]][t[1]][t[2]][lst];
		tmp += max(0, cnt[lst][p1] - cnt[lst][p2]);
		tmp += max(0, cnt[ow][p1] - cnt[ow][p3]);
		t[cur]++;
		dp[t[0]][t[1]][t[2]][cur] = min(dp[t[0]][t[1]][t[2]][cur], tmp);
		t[cur]--;
	}

	ow = inf;
	for (ll i = 0; i < 3; i++) ow = min(dp[cnt[0][n]][cnt[1][n]][cnt[2][n]][i], ow);
	if (ow >= inf)	ow = -1;
	kill(ow);

	return 0;
}
/*
5
RRGYY

6
RRRRRG

20
YYGYYYGGGGRGYYGRGRYG

*/

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 402 ms 751980 KB Output is correct
2 Correct 402 ms 751852 KB Output is correct
3 Correct 404 ms 751980 KB Output is correct
4 Correct 406 ms 751852 KB Output is correct
5 Correct 423 ms 751852 KB Output is correct
6 Correct 401 ms 751980 KB Output is correct
7 Correct 413 ms 751852 KB Output is correct
8 Correct 402 ms 751852 KB Output is correct
9 Correct 402 ms 751908 KB Output is correct
10 Correct 400 ms 751852 KB Output is correct
11 Correct 399 ms 751852 KB Output is correct
12 Correct 425 ms 751852 KB Output is correct
13 Correct 426 ms 751852 KB Output is correct
14 Correct 401 ms 751824 KB Output is correct
15 Correct 406 ms 751876 KB Output is correct
16 Correct 406 ms 751876 KB Output is correct
17 Correct 403 ms 751852 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 402 ms 751980 KB Output is correct
2 Correct 402 ms 751852 KB Output is correct
3 Correct 404 ms 751980 KB Output is correct
4 Correct 406 ms 751852 KB Output is correct
5 Correct 423 ms 751852 KB Output is correct
6 Correct 401 ms 751980 KB Output is correct
7 Correct 413 ms 751852 KB Output is correct
8 Correct 402 ms 751852 KB Output is correct
9 Correct 402 ms 751908 KB Output is correct
10 Correct 400 ms 751852 KB Output is correct
11 Correct 399 ms 751852 KB Output is correct
12 Correct 425 ms 751852 KB Output is correct
13 Correct 426 ms 751852 KB Output is correct
14 Correct 401 ms 751824 KB Output is correct
15 Correct 406 ms 751876 KB Output is correct
16 Correct 406 ms 751876 KB Output is correct
17 Correct 403 ms 751852 KB Output is correct
18 Correct 402 ms 751852 KB Output is correct
19 Correct 403 ms 751916 KB Output is correct
20 Correct 408 ms 751852 KB Output is correct
21 Correct 401 ms 751844 KB Output is correct
22 Correct 408 ms 751852 KB Output is correct
23 Correct 401 ms 751852 KB Output is correct
24 Correct 403 ms 751852 KB Output is correct
25 Correct 405 ms 751748 KB Output is correct
26 Correct 405 ms 752108 KB Output is correct
27 Correct 402 ms 751852 KB Output is correct
28 Correct 402 ms 751852 KB Output is correct
29 Correct 421 ms 751968 KB Output is correct
30 Correct 400 ms 751980 KB Output is correct
31 Correct 405 ms 751852 KB Output is correct
32 Correct 397 ms 751980 KB Output is correct
33 Correct 402 ms 751980 KB Output is correct
34 Correct 407 ms 751852 KB Output is correct
35 Correct 409 ms 751852 KB Output is correct
36 Correct 400 ms 751824 KB Output is correct
37 Correct 404 ms 751852 KB Output is correct
38 Correct 400 ms 751980 KB Output is correct
39 Correct 411 ms 751800 KB Output is correct
40 Correct 400 ms 751852 KB Output is correct
41 Correct 404 ms 751852 KB Output is correct

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 401 ms 751852 KB Output is correct
2 Correct 413 ms 751852 KB Output is correct
3 Correct 402 ms 751912 KB Output is correct
4 Incorrect 398 ms 751852 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 402 ms 751980 KB Output is correct
2 Correct 402 ms 751852 KB Output is correct
3 Correct 404 ms 751980 KB Output is correct
4 Correct 406 ms 751852 KB Output is correct
5 Correct 423 ms 751852 KB Output is correct
6 Correct 401 ms 751980 KB Output is correct
7 Correct 413 ms 751852 KB Output is correct
8 Correct 402 ms 751852 KB Output is correct
9 Correct 402 ms 751908 KB Output is correct
10 Correct 400 ms 751852 KB Output is correct
11 Correct 399 ms 751852 KB Output is correct
12 Correct 425 ms 751852 KB Output is correct
13 Correct 426 ms 751852 KB Output is correct
14 Correct 401 ms 751824 KB Output is correct
15 Correct 406 ms 751876 KB Output is correct
16 Correct 406 ms 751876 KB Output is correct
17 Correct 403 ms 751852 KB Output is correct
18 Correct 402 ms 751852 KB Output is correct
19 Correct 403 ms 751916 KB Output is correct
20 Correct 408 ms 751852 KB Output is correct
21 Correct 401 ms 751844 KB Output is correct
22 Correct 408 ms 751852 KB Output is correct
23 Correct 401 ms 751852 KB Output is correct
24 Correct 403 ms 751852 KB Output is correct
25 Correct 405 ms 751748 KB Output is correct
26 Correct 405 ms 752108 KB Output is correct
27 Correct 402 ms 751852 KB Output is correct
28 Correct 402 ms 751852 KB Output is correct
29 Correct 421 ms 751968 KB Output is correct
30 Correct 400 ms 751980 KB Output is correct
31 Correct 405 ms 751852 KB Output is correct
32 Correct 397 ms 751980 KB Output is correct
33 Correct 402 ms 751980 KB Output is correct
34 Correct 407 ms 751852 KB Output is correct
35 Correct 409 ms 751852 KB Output is correct
36 Correct 400 ms 751824 KB Output is correct
37 Correct 404 ms 751852 KB Output is correct
38 Correct 400 ms 751980 KB Output is correct
39 Correct 411 ms 751800 KB Output is correct
40 Correct 400 ms 751852 KB Output is correct
41 Correct 404 ms 751852 KB Output is correct
42 Correct 401 ms 751852 KB Output is correct
43 Correct 413 ms 751852 KB Output is correct
44 Correct 402 ms 751912 KB Output is correct
45 Incorrect 398 ms 751852 KB Output isn't correct
46 Halted 0 ms 0 KB -