oj.uz

Submission #212497

# Submission time Handle Problem Language Result Execution time Memory
212497 2020-03-23T08:59:00 Z PeppaPig Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 402 ms 780536 KB 
#include <bits/stdc++.h>

#define iii tuple<int, int, int>

using namespace std;

const int N = 405;

int n;
int cnt[3], dp[3][N][N][N];
char A[N];
vector<iii> vec[3];

int f(char c) {
    if(c == 'R') return 0;
    if(c == 'G') return 1;
    return 2;
}

int cost(int c, iii a, iii b) {
    int ret = 0;
    if(c != 0) ret += max(0, get<0>(b) - get<0>(a));
    if(c != 1) ret += max(0, get<1>(b) - get<1>(a));
    if(c != 2) ret += max(0, get<2>(b) - get<2>(a));
    return ret;
}

int main() {
    memset(dp, -1, sizeof dp);

    scanf("%d %s", &n, A + 1);
    for(int i = 1; i <= n; i++) {
        ++cnt[f(A[i])]; 
        vec[f(A[i])].emplace_back(cnt[0], cnt[1], cnt[2]);
    }

    int R = cnt[0], G = cnt[1], Y = cnt[2];
    for(int i = 0; i <= R; i++) for(int j = 0; j <= G; j++) for(int k = 0; k <= Y; k++) {
        if(!i && !j && !k) continue;
        dp[0][i][j][k] = dp[1][i][j][k] = dp[2][i][j][k] = 1e9;
        if(i) dp[0][i][j][k] = min(dp[1][i-1][j][k], dp[2][i-1][j][k]) + cost(0, vec[0][i-1], {i, j, k});
        if(j) dp[1][i][j][k] = min(dp[0][i][j-1][k], dp[2][i][j-1][k]) + cost(1, vec[1][j-1], {i, j, k});
        if(k) dp[2][i][j][k] = min(dp[0][i][j][k-1], dp[1][i][j][k-1]) + cost(2, vec[2][k-1], {i, j, k});
    }
    int ans = 1e9;
    for(int i = 0; i < 3; i++) ans = min(ans, dp[i][R][G][Y]);
    if(ans == 1e9) printf("-1\n");
    else printf("%d\n", ans + 1);

    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %s", &n, A + 1);
     ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 387 ms 780408 KB Output is correct
2 Correct 367 ms 780280 KB Output is correct
3 Correct 364 ms 780280 KB Output is correct
4 Correct 362 ms 780280 KB Output is correct
5 Correct 378 ms 780384 KB Output is correct
6 Correct 361 ms 780280 KB Output is correct
7 Correct 371 ms 780368 KB Output is correct
8 Correct 364 ms 780280 KB Output is correct
9 Correct 367 ms 780368 KB Output is correct
10 Correct 361 ms 780280 KB Output is correct
11 Correct 369 ms 780484 KB Output is correct
12 Correct 365 ms 780280 KB Output is correct
13 Correct 372 ms 780408 KB Output is correct
14 Correct 361 ms 780280 KB Output is correct
15 Correct 373 ms 780408 KB Output is correct
16 Correct 360 ms 780280 KB Output is correct
17 Correct 369 ms 780408 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 387 ms 780408 KB Output is correct
2 Correct 367 ms 780280 KB Output is correct
3 Correct 364 ms 780280 KB Output is correct
4 Correct 362 ms 780280 KB Output is correct
5 Correct 378 ms 780384 KB Output is correct
6 Correct 361 ms 780280 KB Output is correct
7 Correct 371 ms 780368 KB Output is correct
8 Correct 364 ms 780280 KB Output is correct
9 Correct 367 ms 780368 KB Output is correct
10 Correct 361 ms 780280 KB Output is correct
11 Correct 369 ms 780484 KB Output is correct
12 Correct 365 ms 780280 KB Output is correct
13 Correct 372 ms 780408 KB Output is correct
14 Correct 361 ms 780280 KB Output is correct
15 Correct 373 ms 780408 KB Output is correct
16 Correct 360 ms 780280 KB Output is correct
17 Correct 369 ms 780408 KB Output is correct
18 Correct 362 ms 780280 KB Output is correct
19 Correct 373 ms 780428 KB Output is correct
20 Correct 372 ms 780280 KB Output is correct
21 Correct 363 ms 780408 KB Output is correct
22 Correct 364 ms 780280 KB Output is correct
23 Correct 360 ms 780280 KB Output is correct
24 Correct 364 ms 780280 KB Output is correct
25 Correct 377 ms 780280 KB Output is correct
26 Correct 375 ms 780316 KB Output is correct
27 Correct 368 ms 780408 KB Output is correct
28 Correct 383 ms 780280 KB Output is correct
29 Correct 373 ms 780408 KB Output is correct
30 Correct 365 ms 780280 KB Output is correct
31 Correct 379 ms 780408 KB Output is correct
32 Correct 361 ms 780280 KB Output is correct
33 Correct 388 ms 780284 KB Output is correct
34 Correct 366 ms 780280 KB Output is correct
35 Correct 368 ms 780280 KB Output is correct
36 Correct 365 ms 780280 KB Output is correct
37 Correct 363 ms 780280 KB Output is correct
38 Correct 367 ms 780280 KB Output is correct
39 Correct 366 ms 780280 KB Output is correct
40 Correct 369 ms 780280 KB Output is correct
41 Correct 365 ms 780280 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 780376 KB Output is correct
2 Correct 369 ms 780280 KB Output is correct
3 Correct 372 ms 780280 KB Output is correct
4 Correct 371 ms 780280 KB Output is correct
5 Correct 377 ms 780408 KB Output is correct
6 Correct 382 ms 780280 KB Output is correct
7 Correct 372 ms 780384 KB Output is correct
8 Correct 373 ms 780280 KB Output is correct
9 Correct 374 ms 780408 KB Output is correct
10 Correct 365 ms 780280 KB Output is correct
11 Correct 377 ms 780492 KB Output is correct
12 Correct 368 ms 780300 KB Output is correct
13 Correct 380 ms 780408 KB Output is correct
14 Correct 366 ms 780280 KB Output is correct
15 Correct 390 ms 780408 KB Output is correct
16 Correct 376 ms 780280 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 387 ms 780408 KB Output is correct
2 Correct 367 ms 780280 KB Output is correct
3 Correct 364 ms 780280 KB Output is correct
4 Correct 362 ms 780280 KB Output is correct
5 Correct 378 ms 780384 KB Output is correct
6 Correct 361 ms 780280 KB Output is correct
7 Correct 371 ms 780368 KB Output is correct
8 Correct 364 ms 780280 KB Output is correct
9 Correct 367 ms 780368 KB Output is correct
10 Correct 361 ms 780280 KB Output is correct
11 Correct 369 ms 780484 KB Output is correct
12 Correct 365 ms 780280 KB Output is correct
13 Correct 372 ms 780408 KB Output is correct
14 Correct 361 ms 780280 KB Output is correct
15 Correct 373 ms 780408 KB Output is correct
16 Correct 360 ms 780280 KB Output is correct
17 Correct 369 ms 780408 KB Output is correct
18 Correct 362 ms 780280 KB Output is correct
19 Correct 373 ms 780428 KB Output is correct
20 Correct 372 ms 780280 KB Output is correct
21 Correct 363 ms 780408 KB Output is correct
22 Correct 364 ms 780280 KB Output is correct
23 Correct 360 ms 780280 KB Output is correct
24 Correct 364 ms 780280 KB Output is correct
25 Correct 377 ms 780280 KB Output is correct
26 Correct 375 ms 780316 KB Output is correct
27 Correct 368 ms 780408 KB Output is correct
28 Correct 383 ms 780280 KB Output is correct
29 Correct 373 ms 780408 KB Output is correct
30 Correct 365 ms 780280 KB Output is correct
31 Correct 379 ms 780408 KB Output is correct
32 Correct 361 ms 780280 KB Output is correct
33 Correct 388 ms 780284 KB Output is correct
34 Correct 366 ms 780280 KB Output is correct
35 Correct 368 ms 780280 KB Output is correct
36 Correct 365 ms 780280 KB Output is correct
37 Correct 363 ms 780280 KB Output is correct
38 Correct 367 ms 780280 KB Output is correct
39 Correct 366 ms 780280 KB Output is correct
40 Correct 369 ms 780280 KB Output is correct
41 Correct 365 ms 780280 KB Output is correct
42 Correct 386 ms 780376 KB Output is correct
43 Correct 369 ms 780280 KB Output is correct
44 Correct 372 ms 780280 KB Output is correct
45 Correct 371 ms 780280 KB Output is correct
46 Correct 377 ms 780408 KB Output is correct
47 Correct 382 ms 780280 KB Output is correct
48 Correct 372 ms 780384 KB Output is correct
49 Correct 373 ms 780280 KB Output is correct
50 Correct 374 ms 780408 KB Output is correct
51 Correct 365 ms 780280 KB Output is correct
52 Correct 377 ms 780492 KB Output is correct
53 Correct 368 ms 780300 KB Output is correct
54 Correct 380 ms 780408 KB Output is correct
55 Correct 366 ms 780280 KB Output is correct
56 Correct 390 ms 780408 KB Output is correct
57 Correct 376 ms 780280 KB Output is correct
58 Correct 398 ms 780408 KB Output is correct
59 Correct 384 ms 780284 KB Output is correct
60 Correct 401 ms 780408 KB Output is correct
61 Correct 393 ms 780280 KB Output is correct
62 Correct 397 ms 780292 KB Output is correct
63 Correct 399 ms 780280 KB Output is correct
64 Correct 391 ms 780372 KB Output is correct
65 Correct 381 ms 780280 KB Output is correct
66 Correct 389 ms 780320 KB Output is correct
67 Correct 383 ms 780364 KB Output is correct
68 Correct 390 ms 780364 KB Output is correct
69 Correct 378 ms 780280 KB Output is correct
70 Correct 393 ms 780536 KB Output is correct
71 Correct 383 ms 780312 KB Output is correct
72 Correct 402 ms 780328 KB Output is correct
73 Correct 374 ms 780280 KB Output is correct