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답안 #499370

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
499370 2021-12-28T06:55:35 Z armashka Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 489080 KB 
#include <bits/stdc++.h>
 
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
#define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define all(v) v.begin(),v.end()
#define pb push_back
#define sz size()
#define ft first
#define sd second
 
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
 
const int N = 2e6 + 5;
const ll M = 1e8;
const ll inf = 1e9;
const ll mod = 1e9 + 7;
const double Pi = acos(-1); 
 
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }            

ll n, r, g, y, pref[5][405], pos[5][405];
string s;
map <ll, ll> dp[5][405][405];

const void solve(/*Armashka*/) {
	cin >> n >> s;
	s = " " + s;
	for (int i = 1; i <= n; ++ i) {
		for (int j = 1; j <= 3; ++ j) pref[j][i] = pref[j][i - 1];
		if (s[i] == 'R') ++ pref[1][i], pos[1][++ r] = i;
		if (s[i] == 'G') ++ pref[2][i], pos[2][++ g] = i;
		if (s[i] == 'Y') ++ pref[3][i], pos[3][++ y] = i;
	}		
	for (int i = 0; i <= r; ++ i) {
		for (int j = 0; j <= g; ++ j) {
			for (int k = 0; k <= y; ++ k) {
	        	for (int c = 1; c <= 3; ++ c) dp[c][i][j][k] = inf;
			}
		}
	}	
	dp[1][0][0][0] = dp[2][0][0][0] = dp[3][0][0][0] = 0;
	for (int i = 0; i <= r; ++ i) {
		for (int j = 0; j <= g; ++ j) {
			for (int k = 0; k <= y; ++ k) {
				if (i) {
					ll x = max(0ll, pref[2][pos[1][i]] - j) + max(0ll, pref[3][pos[1][i]] - k);
					dp[1][i][j][k] = min({dp[1][i][j][k], dp[2][i - 1][j][k] + x, dp[3][i - 1][j][k] + x});
				}
				if (j) {
					ll x = max(0ll, pref[1][pos[2][j]] - i) + max(0ll, pref[3][pos[2][j]] - k);
					dp[2][i][j][k] = min({dp[2][i][j][k], dp[1][i][j - 1][k] + x, dp[3][i][j - 1][k] + x});
				}
				if (k) {
					ll x = max(0ll, pref[1][pos[3][k]] - i) + max(0ll, pref[2][pos[3][k]] - j);
					dp[3][i][j][k] = min({dp[3][i][j][k], dp[1][i][j][k - 1] + x, dp[2][i][j][k - 1] + x});
				}
			}
		}
	}
	ll ans = min({dp[1][r][g][y], dp[2][r][g][y], dp[3][r][g][y]});
	if (ans == inf) ans = -1;
	cout << ans << "\n";
}
            
signed main() {
    fast;
    //freopen("triangles.in", "r", stdin);
    //freopen("triangles.out", "w", stdout);
    int tt = 1;
	//cin >> tt;
    while (tt --) {                                                             
        solve();
    }
}
 
/*
5 4 4
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1
*/

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 38732 KB Output is correct
2 Correct 19 ms 38828 KB Output is correct
3 Correct 20 ms 38732 KB Output is correct
4 Correct 21 ms 38804 KB Output is correct
5 Correct 20 ms 38768 KB Output is correct
6 Correct 20 ms 38756 KB Output is correct
7 Correct 21 ms 38860 KB Output is correct
8 Correct 21 ms 38848 KB Output is correct
9 Correct 20 ms 38828 KB Output is correct
10 Correct 20 ms 38836 KB Output is correct
11 Correct 20 ms 38832 KB Output is correct
12 Correct 20 ms 38836 KB Output is correct
13 Correct 21 ms 38788 KB Output is correct
14 Correct 20 ms 38860 KB Output is correct
15 Correct 22 ms 38768 KB Output is correct
16 Correct 19 ms 38832 KB Output is correct
17 Correct 20 ms 38832 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 38732 KB Output is correct
2 Correct 19 ms 38828 KB Output is correct
3 Correct 20 ms 38732 KB Output is correct
4 Correct 21 ms 38804 KB Output is correct
5 Correct 20 ms 38768 KB Output is correct
6 Correct 20 ms 38756 KB Output is correct
7 Correct 21 ms 38860 KB Output is correct
8 Correct 21 ms 38848 KB Output is correct
9 Correct 20 ms 38828 KB Output is correct
10 Correct 20 ms 38836 KB Output is correct
11 Correct 20 ms 38832 KB Output is correct
12 Correct 20 ms 38836 KB Output is correct
13 Correct 21 ms 38788 KB Output is correct
14 Correct 20 ms 38860 KB Output is correct
15 Correct 22 ms 38768 KB Output is correct
16 Correct 19 ms 38832 KB Output is correct
17 Correct 20 ms 38832 KB Output is correct
18 Correct 24 ms 40572 KB Output is correct
19 Correct 23 ms 40500 KB Output is correct
20 Correct 24 ms 40504 KB Output is correct
21 Correct 24 ms 40524 KB Output is correct
22 Correct 25 ms 40244 KB Output is correct
23 Correct 23 ms 40568 KB Output is correct
24 Correct 22 ms 40168 KB Output is correct
25 Correct 20 ms 39108 KB Output is correct
26 Correct 21 ms 39116 KB Output is correct
27 Correct 22 ms 40292 KB Output is correct
28 Correct 23 ms 40636 KB Output is correct
29 Correct 25 ms 40556 KB Output is correct
30 Correct 23 ms 40524 KB Output is correct
31 Correct 23 ms 40512 KB Output is correct
32 Correct 24 ms 40604 KB Output is correct
33 Correct 21 ms 39240 KB Output is correct
34 Correct 21 ms 39568 KB Output is correct
35 Correct 23 ms 40248 KB Output is correct
36 Correct 26 ms 40448 KB Output is correct
37 Correct 23 ms 40124 KB Output is correct
38 Correct 27 ms 40380 KB Output is correct
39 Correct 25 ms 40524 KB Output is correct
40 Correct 20 ms 38988 KB Output is correct
41 Correct 21 ms 39424 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 38732 KB Output is correct
2 Correct 30 ms 46448 KB Output is correct
3 Correct 30 ms 46396 KB Output is correct
4 Correct 36 ms 46436 KB Output is correct
5 Correct 31 ms 46428 KB Output is correct
6 Correct 30 ms 46388 KB Output is correct
7 Correct 30 ms 46292 KB Output is correct
8 Correct 32 ms 46272 KB Output is correct
9 Correct 30 ms 46296 KB Output is correct
10 Correct 31 ms 46500 KB Output is correct
11 Correct 30 ms 46420 KB Output is correct
12 Correct 23 ms 40848 KB Output is correct
13 Correct 23 ms 42416 KB Output is correct
14 Correct 27 ms 43980 KB Output is correct
15 Correct 32 ms 46352 KB Output is correct
16 Correct 30 ms 46384 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 38732 KB Output is correct
2 Correct 19 ms 38828 KB Output is correct
3 Correct 20 ms 38732 KB Output is correct
4 Correct 21 ms 38804 KB Output is correct
5 Correct 20 ms 38768 KB Output is correct
6 Correct 20 ms 38756 KB Output is correct
7 Correct 21 ms 38860 KB Output is correct
8 Correct 21 ms 38848 KB Output is correct
9 Correct 20 ms 38828 KB Output is correct
10 Correct 20 ms 38836 KB Output is correct
11 Correct 20 ms 38832 KB Output is correct
12 Correct 20 ms 38836 KB Output is correct
13 Correct 21 ms 38788 KB Output is correct
14 Correct 20 ms 38860 KB Output is correct
15 Correct 22 ms 38768 KB Output is correct
16 Correct 19 ms 38832 KB Output is correct
17 Correct 20 ms 38832 KB Output is correct
18 Correct 24 ms 40572 KB Output is correct
19 Correct 23 ms 40500 KB Output is correct
20 Correct 24 ms 40504 KB Output is correct
21 Correct 24 ms 40524 KB Output is correct
22 Correct 25 ms 40244 KB Output is correct
23 Correct 23 ms 40568 KB Output is correct
24 Correct 22 ms 40168 KB Output is correct
25 Correct 20 ms 39108 KB Output is correct
26 Correct 21 ms 39116 KB Output is correct
27 Correct 22 ms 40292 KB Output is correct
28 Correct 23 ms 40636 KB Output is correct
29 Correct 25 ms 40556 KB Output is correct
30 Correct 23 ms 40524 KB Output is correct
31 Correct 23 ms 40512 KB Output is correct
32 Correct 24 ms 40604 KB Output is correct
33 Correct 21 ms 39240 KB Output is correct
34 Correct 21 ms 39568 KB Output is correct
35 Correct 23 ms 40248 KB Output is correct
36 Correct 26 ms 40448 KB Output is correct
37 Correct 23 ms 40124 KB Output is correct
38 Correct 27 ms 40380 KB Output is correct
39 Correct 25 ms 40524 KB Output is correct
40 Correct 20 ms 38988 KB Output is correct
41 Correct 21 ms 39424 KB Output is correct
42 Correct 19 ms 38732 KB Output is correct
43 Correct 30 ms 46448 KB Output is correct
44 Correct 30 ms 46396 KB Output is correct
45 Correct 36 ms 46436 KB Output is correct
46 Correct 31 ms 46428 KB Output is correct
47 Correct 30 ms 46388 KB Output is correct
48 Correct 30 ms 46292 KB Output is correct
49 Correct 32 ms 46272 KB Output is correct
50 Correct 30 ms 46296 KB Output is correct
51 Correct 31 ms 46500 KB Output is correct
52 Correct 30 ms 46420 KB Output is correct
53 Correct 23 ms 40848 KB Output is correct
54 Correct 23 ms 42416 KB Output is correct
55 Correct 27 ms 43980 KB Output is correct
56 Correct 32 ms 46352 KB Output is correct
57 Correct 30 ms 46384 KB Output is correct
58 Execution timed out 1120 ms 489080 KB Time limit exceeded
59 Halted 0 ms 0 KB -