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답안 #479756

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
479756 2021-10-13T04:15:34 Z lightseba Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 757588 KB 
// I'm a paragraph. Click here to add your own text and edit me. It’s easy. 
// Just click “Edit Text” or double click me to add your own content 
// and make changes to the font. Feel free to drag and drop me anywhere 
// you like on your page. I’m a great place for you to tell a story 
// and let your users know a little more about you.

#include <bits/stdc++.h>
using namespace std;
#define filename ""

#define pb push_back
#define mp make_pair
#define eb emplace_back
#define xx first
#define yy second
#define sz(x) ((int) size(x))
#define all(x) begin(x), end(x)
#define rep(i, a, b) for(int i = a; i < b; i++)
#define per(i, a, b) for(int i = a; i >= b; i--)
using ll = long long;
using ld = long double;
using vi = vector<int>;
using vl = vector<ll>;
using pii = pair<int, int>;

const int oo = 1e7;
const int N = 400 + 1;
int dp[N][N][N][3];
int idx[3][N];
vi pos[3];

int go(int i, int j, int k, int c) {
    bool place0 = i < sz(pos[0]);
    bool place1 = j < sz(pos[1]);
    bool place2 = k < sz(pos[2]);

    if (!place0 && !place1 && !place2)  
        return 0;

    if (dp[i][j][k][c] != -1)
        return dp[i][j][k][c];
    
    int first = oo;
    if (place0) first = min(first, pos[0][i]);
    if (place1) first = min(first, pos[1][j]);
    if (place2) first = min(first, pos[2][k]);

    place0 &= c != 0;
    place1 &= c != 1;
    place2 &= c != 2;

    int p = i + j + k;
    int ans = oo;

    if (place0) {
        int to = pos[0][i];
        int shift = max(0, j - idx[1][to]) + max(0, k - idx[2][to]);
        to += shift;
        ans = min(ans, abs(p - to) + go(i + 1, j, k, 0));
    }
    if (place1) {
        int to = pos[1][j];
        int shift = max(0, i - idx[0][to]) + max(0, k - idx[2][to]);
        to += shift;
        ans = min(ans, abs(p - to) + go(i, j + 1, k, 1));
    }
    if (place2) {
        int to = pos[2][k];
        int shift = max(0, j - idx[1][to]) + max(0, i - idx[0][to]);
        to += shift;
        ans = min(ans, abs(p - to) + go(i, j, k + 1, 2));
    }

    return dp[i][j][k][c] = ans;
}

void solve() {   
    memset(dp, -1, sizeof(dp));
    
    int n;
    string s;
    cin >> n >> s;

    for (int i = 0; i < n; i++) {
        if (s[i] == 'R') pos[0].push_back(i);
        if (s[i] == 'G') pos[1].push_back(i);
        if (s[i] == 'Y') pos[2].push_back(i);

        for (int j = 0; j < 3; j++) 
            idx[j][i] = sz(pos[j]);
    }

    int ans = min({go(0, 0, 0, 0), go(0, 0, 0, 1), go(0, 0, 0, 2)});

    if (ans >= oo)
        ans = -1;

    cout << ans << "\n";
} 

int main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);
	// freopen(filename ".in", "r", stdin); freopen(filename ".out", "w", stdout); 

	// int t; cin >> t; while (t--)
	solve();

	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 434 ms 757396 KB Output is correct
2 Correct 337 ms 757348 KB Output is correct
3 Correct 317 ms 757296 KB Output is correct
4 Correct 312 ms 757504 KB Output is correct
5 Correct 338 ms 757344 KB Output is correct
6 Correct 339 ms 757304 KB Output is correct
7 Correct 339 ms 757336 KB Output is correct
8 Correct 324 ms 757304 KB Output is correct
9 Correct 352 ms 757388 KB Output is correct
10 Correct 331 ms 757296 KB Output is correct
11 Correct 348 ms 757324 KB Output is correct
12 Correct 344 ms 757460 KB Output is correct
13 Correct 323 ms 757380 KB Output is correct
14 Correct 343 ms 757428 KB Output is correct
15 Correct 317 ms 757316 KB Output is correct
16 Correct 339 ms 757372 KB Output is correct
17 Correct 329 ms 757356 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 434 ms 757396 KB Output is correct
2 Correct 337 ms 757348 KB Output is correct
3 Correct 317 ms 757296 KB Output is correct
4 Correct 312 ms 757504 KB Output is correct
5 Correct 338 ms 757344 KB Output is correct
6 Correct 339 ms 757304 KB Output is correct
7 Correct 339 ms 757336 KB Output is correct
8 Correct 324 ms 757304 KB Output is correct
9 Correct 352 ms 757388 KB Output is correct
10 Correct 331 ms 757296 KB Output is correct
11 Correct 348 ms 757324 KB Output is correct
12 Correct 344 ms 757460 KB Output is correct
13 Correct 323 ms 757380 KB Output is correct
14 Correct 343 ms 757428 KB Output is correct
15 Correct 317 ms 757316 KB Output is correct
16 Correct 339 ms 757372 KB Output is correct
17 Correct 329 ms 757356 KB Output is correct
18 Correct 348 ms 757356 KB Output is correct
19 Correct 322 ms 757300 KB Output is correct
20 Correct 342 ms 757412 KB Output is correct
21 Correct 339 ms 757316 KB Output is correct
22 Correct 326 ms 757360 KB Output is correct
23 Correct 353 ms 757320 KB Output is correct
24 Correct 355 ms 757396 KB Output is correct
25 Correct 337 ms 757380 KB Output is correct
26 Correct 326 ms 757320 KB Output is correct
27 Correct 315 ms 757316 KB Output is correct
28 Correct 311 ms 757420 KB Output is correct
29 Correct 373 ms 757340 KB Output is correct
30 Correct 334 ms 757588 KB Output is correct
31 Correct 308 ms 757316 KB Output is correct
32 Correct 326 ms 757508 KB Output is correct
33 Correct 313 ms 757320 KB Output is correct
34 Correct 373 ms 757348 KB Output is correct
35 Correct 367 ms 757312 KB Output is correct
36 Correct 346 ms 757296 KB Output is correct
37 Correct 321 ms 757344 KB Output is correct
38 Correct 316 ms 757420 KB Output is correct
39 Correct 353 ms 757364 KB Output is correct
40 Correct 336 ms 757408 KB Output is correct
41 Correct 344 ms 757368 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 328 ms 757376 KB Output is correct
2 Correct 322 ms 757444 KB Output is correct
3 Correct 326 ms 757348 KB Output is correct
4 Correct 319 ms 757352 KB Output is correct
5 Correct 321 ms 757388 KB Output is correct
6 Correct 314 ms 757432 KB Output is correct
7 Correct 327 ms 757524 KB Output is correct
8 Correct 312 ms 757404 KB Output is correct
9 Correct 343 ms 757448 KB Output is correct
10 Correct 329 ms 757456 KB Output is correct
11 Correct 336 ms 757572 KB Output is correct
12 Correct 330 ms 757344 KB Output is correct
13 Correct 325 ms 757384 KB Output is correct
14 Correct 332 ms 757464 KB Output is correct
15 Correct 316 ms 757448 KB Output is correct
16 Correct 319 ms 757404 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 434 ms 757396 KB Output is correct
2 Correct 337 ms 757348 KB Output is correct
3 Correct 317 ms 757296 KB Output is correct
4 Correct 312 ms 757504 KB Output is correct
5 Correct 338 ms 757344 KB Output is correct
6 Correct 339 ms 757304 KB Output is correct
7 Correct 339 ms 757336 KB Output is correct
8 Correct 324 ms 757304 KB Output is correct
9 Correct 352 ms 757388 KB Output is correct
10 Correct 331 ms 757296 KB Output is correct
11 Correct 348 ms 757324 KB Output is correct
12 Correct 344 ms 757460 KB Output is correct
13 Correct 323 ms 757380 KB Output is correct
14 Correct 343 ms 757428 KB Output is correct
15 Correct 317 ms 757316 KB Output is correct
16 Correct 339 ms 757372 KB Output is correct
17 Correct 329 ms 757356 KB Output is correct
18 Correct 348 ms 757356 KB Output is correct
19 Correct 322 ms 757300 KB Output is correct
20 Correct 342 ms 757412 KB Output is correct
21 Correct 339 ms 757316 KB Output is correct
22 Correct 326 ms 757360 KB Output is correct
23 Correct 353 ms 757320 KB Output is correct
24 Correct 355 ms 757396 KB Output is correct
25 Correct 337 ms 757380 KB Output is correct
26 Correct 326 ms 757320 KB Output is correct
27 Correct 315 ms 757316 KB Output is correct
28 Correct 311 ms 757420 KB Output is correct
29 Correct 373 ms 757340 KB Output is correct
30 Correct 334 ms 757588 KB Output is correct
31 Correct 308 ms 757316 KB Output is correct
32 Correct 326 ms 757508 KB Output is correct
33 Correct 313 ms 757320 KB Output is correct
34 Correct 373 ms 757348 KB Output is correct
35 Correct 367 ms 757312 KB Output is correct
36 Correct 346 ms 757296 KB Output is correct
37 Correct 321 ms 757344 KB Output is correct
38 Correct 316 ms 757420 KB Output is correct
39 Correct 353 ms 757364 KB Output is correct
40 Correct 336 ms 757408 KB Output is correct
41 Correct 344 ms 757368 KB Output is correct
42 Correct 328 ms 757376 KB Output is correct
43 Correct 322 ms 757444 KB Output is correct
44 Correct 326 ms 757348 KB Output is correct
45 Correct 319 ms 757352 KB Output is correct
46 Correct 321 ms 757388 KB Output is correct
47 Correct 314 ms 757432 KB Output is correct
48 Correct 327 ms 757524 KB Output is correct
49 Correct 312 ms 757404 KB Output is correct
50 Correct 343 ms 757448 KB Output is correct
51 Correct 329 ms 757456 KB Output is correct
52 Correct 336 ms 757572 KB Output is correct
53 Correct 330 ms 757344 KB Output is correct
54 Correct 325 ms 757384 KB Output is correct
55 Correct 332 ms 757464 KB Output is correct
56 Correct 316 ms 757448 KB Output is correct
57 Correct 319 ms 757404 KB Output is correct
58 Execution timed out 539 ms 757444 KB Time limit exceeded
59 Halted 0 ms 0 KB -