oj.uz

Submission #537622

# Submission time Handle Problem Language Result Execution time Memory
537622 2022-03-15T09:59:00 Z 79brue Dango Maker (JOI18_dango_maker) C++14
100 / 100
 846 ms 44448 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, m;
int arr[3002][3002];
int ans;

int state[3002];
int DP[3002][3];
const int trans[3][3] = {
    0, 1, 1,
    0, 1, -1000000,
    0, -1000000, 1
};

int main(){
    scanf("%d %d", &n, &m);
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            char c;
            scanf(" %c", &c);
            if(c=='R') arr[i][j] = 0;
            else if(c=='G') arr[i][j] = 1;
            else arr[i][j] = 2;
        }
    }
    for(int d=3; d<=n+m-1; d++){
        for(int i=1; i<=n; i++){
            state[i] = 0;
            DP[i][0] = DP[i][1] = DP[i][2] = -1e9;

            int j = d-i;
            if(j<1 || j>m || arr[i][j]!=1) continue;
            if(i>1 && i<n && arr[i-1][j]==0 && arr[i+1][j]==2) state[i] |= 1;
            if(j>1 && j<m && arr[i][j-1]==0 && arr[i][j+1]==2) state[i] |= 2;
        }

        for(int i=1; i<=n; i++){
            for(int j=0; j<3; j++){
                for(int k=0; k<3; k++){
                    if((k==1 && !(state[i]&1)) || (k==2 && !(state[i]&2))) continue;
                    DP[i][k] = max(DP[i][k], DP[i-1][j] + trans[j][k]);
                }
            }
        }
        ans += max({DP[n][0], DP[n][1], DP[n][2]});
    }

    printf("%d", ans);
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
dango_maker.cpp:24:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |             scanf(" %c", &c);
      |             ~~~~~^~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 316 KB Output is correct
43 Correct 1 ms 316 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 312 KB Output is correct
48 Correct 1 ms 316 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 312 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 316 KB Output is correct
43 Correct 1 ms 316 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 312 KB Output is correct
48 Correct 1 ms 316 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 312 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 154 ms 12412 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 52 ms 8404 KB Output is correct
58 Correct 86 ms 9164 KB Output is correct
59 Correct 763 ms 44380 KB Output is correct
60 Correct 846 ms 44304 KB Output is correct
61 Correct 811 ms 44448 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 772 ms 44088 KB Output is correct
64 Correct 772 ms 44376 KB Output is correct
65 Correct 745 ms 44376 KB Output is correct
66 Correct 759 ms 44436 KB Output is correct
67 Correct 694 ms 44340 KB Output is correct
68 Correct 744 ms 44360 KB Output is correct
69 Correct 677 ms 44376 KB Output is correct
70 Correct 84 ms 9200 KB Output is correct
71 Correct 86 ms 9224 KB Output is correct
72 Correct 80 ms 9168 KB Output is correct
73 Correct 81 ms 9324 KB Output is correct
74 Correct 79 ms 9200 KB Output is correct
75 Correct 87 ms 9164 KB Output is correct
76 Correct 89 ms 9164 KB Output is correct
77 Correct 80 ms 9216 KB Output is correct
78 Correct 80 ms 9144 KB Output is correct
79 Correct 79 ms 9168 KB Output is correct
80 Correct 77 ms 9192 KB Output is correct
81 Correct 79 ms 9224 KB Output is correct
82 Correct 91 ms 9164 KB Output is correct
83 Correct 84 ms 9212 KB Output is correct
84 Correct 79 ms 9200 KB Output is correct
85 Correct 79 ms 9220 KB Output is correct
86 Correct 83 ms 9220 KB Output is correct
87 Correct 113 ms 9216 KB Output is correct
88 Correct 92 ms 9168 KB Output is correct
89 Correct 82 ms 9124 KB Output is correct
90 Correct 78 ms 9100 KB Output is correct