oj.uz

답안 #743426

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
743426 2023-05-17T11:34:00 Z mickey080929 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 185 ms 389700 KB 
#include <bits/stdc++.h>
#define fi first
#define se second

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int inf = 1e9;

int n;
int a[410];
int cnt[410];
int inv[3][410][3];
int dp[410][410][410][3];

int main() {
    int i, j, k, r, g, y;
    scanf("%d", &n);
    for (i=1; i<=n; i++) {
        char c;
        scanf(" %c", &c);
        if (c == 'G') a[i] = 1;
        else if (c == 'Y') a[i] = 2;
    }
    for (i=1; i<=n; i++) {
        cnt[a[i]] ++;
        for (j=0; j<3; j++) {
            if (j == a[i]) continue;
            inv[a[i]][cnt[a[i]]][j] = cnt[j];
        }
    }
    int R = cnt[0], G = cnt[1], Y = cnt[2];
    if (max({R, G, Y}) > (n+1)/2) {
        printf("-1\n");
        return 0;
    }
    for (i=0; i<=n; i++) for (r=0; r<=R; r++) for (g=0; g<=G; g++) for (k=0; k<3; k++) dp[i][r][g][k] = inf;
    dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
    for (i=0; i<n; i++) {
        for (r=0; r<=min(R, i); r++) {
            for (g=0; g<=min(G, i-r); g++) {
                y = i - r - g;
                if (y > Y) continue;
                for (k=0; k<3; k++) {
                    if (r < R && k != 0)
                        dp[i+1][r+1][g][0] = min(dp[i+1][r+1][g][0], dp[i][r][g][k] + abs(inv[0][r+1][1]-g) + abs(inv[0][r+1][2]-y));
                    if (g < G && k != 1)
                        dp[i+1][r][g+1][1] = min(dp[i+1][r][g+1][1], dp[i][r][g][k] + abs(inv[1][g+1][0]-r) + abs(inv[1][g+1][2]-y));
                    if (y < Y && k != 2)
                        dp[i+1][r][g][2] = min(dp[i+1][r][g][2], dp[i][r][g][k] + abs(inv[2][y+1][0]-r) + abs(inv[2][y+1][1]-g));
                }
            }
        }
    }
    printf("%d\n", min({dp[n][R][G][0], dp[n][R][G][1], dp[n][R][G][2]}) / 2);
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
joi2019_ho_t3.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         scanf(" %c", &c);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 716 KB Output is correct
7 Correct 1 ms 852 KB Output is correct
8 Correct 1 ms 824 KB Output is correct
9 Correct 1 ms 824 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 1 ms 696 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 316 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 716 KB Output is correct
7 Correct 1 ms 852 KB Output is correct
8 Correct 1 ms 824 KB Output is correct
9 Correct 1 ms 824 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 1 ms 696 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 316 KB Output is correct
18 Correct 3 ms 6708 KB Output is correct
19 Correct 4 ms 5588 KB Output is correct
20 Correct 5 ms 7220 KB Output is correct
21 Correct 3 ms 5972 KB Output is correct
22 Correct 3 ms 6840 KB Output is correct
23 Correct 2 ms 5204 KB Output is correct
24 Correct 2 ms 3388 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 4 ms 7864 KB Output is correct
28 Correct 3 ms 6228 KB Output is correct
29 Correct 3 ms 6484 KB Output is correct
30 Correct 2 ms 5204 KB Output is correct
31 Correct 3 ms 4692 KB Output is correct
32 Correct 3 ms 5460 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 3 ms 6612 KB Output is correct
36 Correct 3 ms 5816 KB Output is correct
37 Correct 2 ms 3924 KB Output is correct
38 Correct 2 ms 4436 KB Output is correct
39 Correct 3 ms 5688 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 160 ms 389684 KB Output is correct
3 Correct 185 ms 388724 KB Output is correct
4 Correct 168 ms 389616 KB Output is correct
5 Correct 167 ms 389620 KB Output is correct
6 Correct 184 ms 389656 KB Output is correct
7 Correct 158 ms 386764 KB Output is correct
8 Correct 156 ms 386788 KB Output is correct
9 Correct 160 ms 385808 KB Output is correct
10 Correct 167 ms 389668 KB Output is correct
11 Correct 172 ms 389700 KB Output is correct
12 Correct 46 ms 104544 KB Output is correct
13 Correct 74 ms 183948 KB Output is correct
14 Correct 108 ms 265920 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 716 KB Output is correct
7 Correct 1 ms 852 KB Output is correct
8 Correct 1 ms 824 KB Output is correct
9 Correct 1 ms 824 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 1 ms 696 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 316 KB Output is correct
18 Correct 3 ms 6708 KB Output is correct
19 Correct 4 ms 5588 KB Output is correct
20 Correct 5 ms 7220 KB Output is correct
21 Correct 3 ms 5972 KB Output is correct
22 Correct 3 ms 6840 KB Output is correct
23 Correct 2 ms 5204 KB Output is correct
24 Correct 2 ms 3388 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 4 ms 7864 KB Output is correct
28 Correct 3 ms 6228 KB Output is correct
29 Correct 3 ms 6484 KB Output is correct
30 Correct 2 ms 5204 KB Output is correct
31 Correct 3 ms 4692 KB Output is correct
32 Correct 3 ms 5460 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 3 ms 6612 KB Output is correct
36 Correct 3 ms 5816 KB Output is correct
37 Correct 2 ms 3924 KB Output is correct
38 Correct 2 ms 4436 KB Output is correct
39 Correct 3 ms 5688 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 160 ms 389684 KB Output is correct
44 Correct 185 ms 388724 KB Output is correct
45 Correct 168 ms 389616 KB Output is correct
46 Correct 167 ms 389620 KB Output is correct
47 Correct 184 ms 389656 KB Output is correct
48 Correct 158 ms 386764 KB Output is correct
49 Correct 156 ms 386788 KB Output is correct
50 Correct 160 ms 385808 KB Output is correct
51 Correct 167 ms 389668 KB Output is correct
52 Correct 172 ms 389700 KB Output is correct
53 Correct 46 ms 104544 KB Output is correct
54 Correct 74 ms 183948 KB Output is correct
55 Correct 108 ms 265920 KB Output is correct
56 Correct 1 ms 312 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 136 ms 241020 KB Output is correct
59 Correct 153 ms 281428 KB Output is correct
60 Correct 156 ms 276160 KB Output is correct
61 Correct 173 ms 259560 KB Output is correct
62 Correct 1 ms 312 KB Output is correct
63 Correct 163 ms 380032 KB Output is correct
64 Correct 169 ms 364460 KB Output is correct
65 Correct 172 ms 309836 KB Output is correct
66 Correct 136 ms 264220 KB Output is correct
67 Correct 121 ms 219944 KB Output is correct
68 Correct 146 ms 265420 KB Output is correct
69 Correct 146 ms 266140 KB Output is correct
70 Correct 142 ms 264204 KB Output is correct
71 Correct 153 ms 294144 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 1 ms 212 KB Output is correct