oj.uz

Submission #64108

# Submission time Handle Problem Language Result Execution time Memory
64108 2018-08-03T11:11:51 Z patrikpavic2 Dango Maker (JOI18_dango_maker) C++17
13 / 100
 87 ms 78564 KB 
#include <cstdio>
#include <vector>

using namespace std;

const int N = 1e3 + 50;
const int M = 2 * N * N;

vector < int > v[M], k[N][N];

int ty[M], sl[M], bio[M];
char s[N][N];
int n, m;


void dfs(int x){
    sl[ty[x]]++;
    bio[x] = 1;
    for(int y : v[x])
        if(!bio[y])
            dfs(y);
}

int main(){
    scanf("%d%d", &n, &m);
    for(int i = 1;i<=n;i++){
        for(int j = 1;j<=m;j++){
            scanf(" %c", &s[i][j]);
        }
    }
    int cnt = 1;
    for(int i = 1;i<=n;i++){
        for(int j = 1;j<=m;j++){
            if(s[i][j] != 'G') continue;
            if(s[i - 1][j] == 'R' && s[i + 1][j] == 'W'){
                k[i - 1][j].push_back(cnt);
                k[i + 1][j].push_back(cnt);
                k[i][j].push_back(cnt);
                cnt++;
            }
            if(s[i][j - 1] == 'R' && s[i][j + 1] == 'W'){
                k[i][j - 1].push_back(cnt);
                k[i][j + 1].push_back(cnt);
                k[i][j].push_back(cnt);
                ty[cnt] = 1;
                cnt++;
            }
        }
    }
    for(int i = 1;i<=n;i++){
        for(int j = 1;j<=m;j++){
            if(k[i][j].size() == 2){
                v[k[i][j][0]].push_back(k[i][j][1]);
                v[k[i][j][1]].push_back(k[i][j][0]);
            }
        }
    }
    int sol = 0;
    //printf("CNT = %d\n", cnt);
    for(int i = 1;i<cnt;i++){
        if(bio[i]) continue;
        sl[0] = 0, sl[1] = 0;
        dfs(i);
        //printf("X : %d, %d %d\n", sl[0], sl[1]);
        sol += max(sl[0], sl[1]);
    }
    printf("%d\n", sol);
    return 0;
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:28:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf(" %c", &s[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 77944 KB Output is correct
2 Correct 76 ms 78052 KB Output is correct
3 Correct 75 ms 78128 KB Output is correct
4 Correct 79 ms 78204 KB Output is correct
5 Correct 67 ms 78204 KB Output is correct
6 Correct 64 ms 78204 KB Output is correct
7 Correct 66 ms 78204 KB Output is correct
8 Correct 65 ms 78204 KB Output is correct
9 Correct 71 ms 78204 KB Output is correct
10 Correct 66 ms 78204 KB Output is correct
11 Correct 65 ms 78204 KB Output is correct
12 Correct 64 ms 78204 KB Output is correct
13 Correct 74 ms 78204 KB Output is correct
14 Correct 74 ms 78204 KB Output is correct
15 Correct 67 ms 78304 KB Output is correct
16 Correct 77 ms 78304 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 77944 KB Output is correct
2 Correct 76 ms 78052 KB Output is correct
3 Correct 75 ms 78128 KB Output is correct
4 Correct 79 ms 78204 KB Output is correct
5 Correct 67 ms 78204 KB Output is correct
6 Correct 64 ms 78204 KB Output is correct
7 Correct 66 ms 78204 KB Output is correct
8 Correct 65 ms 78204 KB Output is correct
9 Correct 71 ms 78204 KB Output is correct
10 Correct 66 ms 78204 KB Output is correct
11 Correct 65 ms 78204 KB Output is correct
12 Correct 64 ms 78204 KB Output is correct
13 Correct 74 ms 78204 KB Output is correct
14 Correct 74 ms 78204 KB Output is correct
15 Correct 67 ms 78304 KB Output is correct
16 Correct 77 ms 78304 KB Output is correct
17 Correct 70 ms 78304 KB Output is correct
18 Correct 79 ms 78304 KB Output is correct
19 Correct 81 ms 78328 KB Output is correct
20 Correct 82 ms 78328 KB Output is correct
21 Correct 79 ms 78328 KB Output is correct
22 Correct 74 ms 78352 KB Output is correct
23 Correct 87 ms 78564 KB Output is correct
24 Correct 79 ms 78564 KB Output is correct
25 Correct 79 ms 78564 KB Output is correct
26 Correct 78 ms 78564 KB Output is correct
27 Correct 83 ms 78564 KB Output is correct
28 Correct 74 ms 78564 KB Output is correct
29 Correct 81 ms 78564 KB Output is correct
30 Correct 81 ms 78564 KB Output is correct
31 Correct 81 ms 78564 KB Output is correct
32 Correct 71 ms 78564 KB Output is correct
33 Correct 67 ms 78564 KB Output is correct
34 Incorrect 70 ms 78564 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 77944 KB Output is correct
2 Correct 76 ms 78052 KB Output is correct
3 Correct 75 ms 78128 KB Output is correct
4 Correct 79 ms 78204 KB Output is correct
5 Correct 67 ms 78204 KB Output is correct
6 Correct 64 ms 78204 KB Output is correct
7 Correct 66 ms 78204 KB Output is correct
8 Correct 65 ms 78204 KB Output is correct
9 Correct 71 ms 78204 KB Output is correct
10 Correct 66 ms 78204 KB Output is correct
11 Correct 65 ms 78204 KB Output is correct
12 Correct 64 ms 78204 KB Output is correct
13 Correct 74 ms 78204 KB Output is correct
14 Correct 74 ms 78204 KB Output is correct
15 Correct 67 ms 78304 KB Output is correct
16 Correct 77 ms 78304 KB Output is correct
17 Correct 70 ms 78304 KB Output is correct
18 Correct 79 ms 78304 KB Output is correct
19 Correct 81 ms 78328 KB Output is correct
20 Correct 82 ms 78328 KB Output is correct
21 Correct 79 ms 78328 KB Output is correct
22 Correct 74 ms 78352 KB Output is correct
23 Correct 87 ms 78564 KB Output is correct
24 Correct 79 ms 78564 KB Output is correct
25 Correct 79 ms 78564 KB Output is correct
26 Correct 78 ms 78564 KB Output is correct
27 Correct 83 ms 78564 KB Output is correct
28 Correct 74 ms 78564 KB Output is correct
29 Correct 81 ms 78564 KB Output is correct
30 Correct 81 ms 78564 KB Output is correct
31 Correct 81 ms 78564 KB Output is correct
32 Correct 71 ms 78564 KB Output is correct
33 Correct 67 ms 78564 KB Output is correct
34 Incorrect 70 ms 78564 KB Output isn't correct
35 Halted 0 ms 0 KB -