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답안 #499371

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
499371 2021-12-28T06:56:17 Z armashka Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 366604 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;
unordered_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 24 ms 45196 KB Output is correct
2 Correct 32 ms 45260 KB Output is correct
3 Correct 31 ms 45252 KB Output is correct
4 Correct 24 ms 45260 KB Output is correct
5 Correct 25 ms 45260 KB Output is correct
6 Correct 24 ms 45260 KB Output is correct
7 Correct 23 ms 45280 KB Output is correct
8 Correct 26 ms 45260 KB Output is correct
9 Correct 24 ms 45260 KB Output is correct
10 Correct 24 ms 45232 KB Output is correct
11 Correct 26 ms 45172 KB Output is correct
12 Correct 24 ms 45220 KB Output is correct
13 Correct 24 ms 45260 KB Output is correct
14 Correct 25 ms 45260 KB Output is correct
15 Correct 25 ms 45260 KB Output is correct
16 Correct 25 ms 45212 KB Output is correct
17 Correct 24 ms 45260 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 45196 KB Output is correct
2 Correct 32 ms 45260 KB Output is correct
3 Correct 31 ms 45252 KB Output is correct
4 Correct 24 ms 45260 KB Output is correct
5 Correct 25 ms 45260 KB Output is correct
6 Correct 24 ms 45260 KB Output is correct
7 Correct 23 ms 45280 KB Output is correct
8 Correct 26 ms 45260 KB Output is correct
9 Correct 24 ms 45260 KB Output is correct
10 Correct 24 ms 45232 KB Output is correct
11 Correct 26 ms 45172 KB Output is correct
12 Correct 24 ms 45220 KB Output is correct
13 Correct 24 ms 45260 KB Output is correct
14 Correct 25 ms 45260 KB Output is correct
15 Correct 25 ms 45260 KB Output is correct
16 Correct 25 ms 45212 KB Output is correct
17 Correct 24 ms 45260 KB Output is correct
18 Correct 31 ms 46380 KB Output is correct
19 Correct 28 ms 46380 KB Output is correct
20 Correct 32 ms 46384 KB Output is correct
21 Correct 29 ms 46540 KB Output is correct
22 Correct 35 ms 46132 KB Output is correct
23 Correct 31 ms 46352 KB Output is correct
24 Correct 28 ms 46152 KB Output is correct
25 Correct 26 ms 45680 KB Output is correct
26 Correct 25 ms 45640 KB Output is correct
27 Correct 27 ms 46152 KB Output is correct
28 Correct 29 ms 46476 KB Output is correct
29 Correct 30 ms 46400 KB Output is correct
30 Correct 28 ms 46412 KB Output is correct
31 Correct 30 ms 46280 KB Output is correct
32 Correct 31 ms 46412 KB Output is correct
33 Correct 25 ms 45772 KB Output is correct
34 Correct 26 ms 45832 KB Output is correct
35 Correct 29 ms 46316 KB Output is correct
36 Correct 28 ms 46428 KB Output is correct
37 Correct 29 ms 46148 KB Output is correct
38 Correct 28 ms 46272 KB Output is correct
39 Correct 30 ms 46412 KB Output is correct
40 Correct 26 ms 45368 KB Output is correct
41 Correct 26 ms 45644 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 45200 KB Output is correct
2 Correct 52 ms 62236 KB Output is correct
3 Correct 51 ms 62156 KB Output is correct
4 Correct 56 ms 62288 KB Output is correct
5 Correct 55 ms 62304 KB Output is correct
6 Correct 62 ms 62272 KB Output is correct
7 Correct 52 ms 62248 KB Output is correct
8 Correct 53 ms 62248 KB Output is correct
9 Correct 53 ms 62068 KB Output is correct
10 Correct 55 ms 62348 KB Output is correct
11 Correct 63 ms 62256 KB Output is correct
12 Correct 33 ms 49740 KB Output is correct
13 Correct 38 ms 53296 KB Output is correct
14 Correct 44 ms 56880 KB Output is correct
15 Correct 53 ms 62216 KB Output is correct
16 Correct 56 ms 62336 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 45196 KB Output is correct
2 Correct 32 ms 45260 KB Output is correct
3 Correct 31 ms 45252 KB Output is correct
4 Correct 24 ms 45260 KB Output is correct
5 Correct 25 ms 45260 KB Output is correct
6 Correct 24 ms 45260 KB Output is correct
7 Correct 23 ms 45280 KB Output is correct
8 Correct 26 ms 45260 KB Output is correct
9 Correct 24 ms 45260 KB Output is correct
10 Correct 24 ms 45232 KB Output is correct
11 Correct 26 ms 45172 KB Output is correct
12 Correct 24 ms 45220 KB Output is correct
13 Correct 24 ms 45260 KB Output is correct
14 Correct 25 ms 45260 KB Output is correct
15 Correct 25 ms 45260 KB Output is correct
16 Correct 25 ms 45212 KB Output is correct
17 Correct 24 ms 45260 KB Output is correct
18 Correct 31 ms 46380 KB Output is correct
19 Correct 28 ms 46380 KB Output is correct
20 Correct 32 ms 46384 KB Output is correct
21 Correct 29 ms 46540 KB Output is correct
22 Correct 35 ms 46132 KB Output is correct
23 Correct 31 ms 46352 KB Output is correct
24 Correct 28 ms 46152 KB Output is correct
25 Correct 26 ms 45680 KB Output is correct
26 Correct 25 ms 45640 KB Output is correct
27 Correct 27 ms 46152 KB Output is correct
28 Correct 29 ms 46476 KB Output is correct
29 Correct 30 ms 46400 KB Output is correct
30 Correct 28 ms 46412 KB Output is correct
31 Correct 30 ms 46280 KB Output is correct
32 Correct 31 ms 46412 KB Output is correct
33 Correct 25 ms 45772 KB Output is correct
34 Correct 26 ms 45832 KB Output is correct
35 Correct 29 ms 46316 KB Output is correct
36 Correct 28 ms 46428 KB Output is correct
37 Correct 29 ms 46148 KB Output is correct
38 Correct 28 ms 46272 KB Output is correct
39 Correct 30 ms 46412 KB Output is correct
40 Correct 26 ms 45368 KB Output is correct
41 Correct 26 ms 45644 KB Output is correct
42 Correct 27 ms 45200 KB Output is correct
43 Correct 52 ms 62236 KB Output is correct
44 Correct 51 ms 62156 KB Output is correct
45 Correct 56 ms 62288 KB Output is correct
46 Correct 55 ms 62304 KB Output is correct
47 Correct 62 ms 62272 KB Output is correct
48 Correct 52 ms 62248 KB Output is correct
49 Correct 53 ms 62248 KB Output is correct
50 Correct 53 ms 62068 KB Output is correct
51 Correct 55 ms 62348 KB Output is correct
52 Correct 63 ms 62256 KB Output is correct
53 Correct 33 ms 49740 KB Output is correct
54 Correct 38 ms 53296 KB Output is correct
55 Correct 44 ms 56880 KB Output is correct
56 Correct 53 ms 62216 KB Output is correct
57 Correct 56 ms 62336 KB Output is correct
58 Execution timed out 951 ms 366604 KB Time limit exceeded
59 Halted 0 ms 0 KB -