oj.uz

Submission #64119

# Submission time Handle Problem Language Result Execution time Memory
64119 2018-08-03T11:33:48 Z patrikpavic2 Dango Maker (JOI18_dango_maker) C++17
13 / 100
 88 ms 79468 KB 
#include <cstdio>
#include <cstring>
#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(){
    memset(s, '.', sizeof(s));
    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:27:10: 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:30:18: 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 84 ms 79096 KB Output is correct
2 Correct 83 ms 79172 KB Output is correct
3 Correct 77 ms 79248 KB Output is correct
4 Correct 88 ms 79248 KB Output is correct
5 Correct 84 ms 79248 KB Output is correct
6 Correct 84 ms 79348 KB Output is correct
7 Correct 82 ms 79348 KB Output is correct
8 Correct 73 ms 79348 KB Output is correct
9 Correct 68 ms 79348 KB Output is correct
10 Correct 70 ms 79348 KB Output is correct
11 Correct 85 ms 79368 KB Output is correct
12 Correct 69 ms 79368 KB Output is correct
13 Correct 82 ms 79468 KB Output is correct
14 Correct 71 ms 79468 KB Output is correct
15 Correct 70 ms 79468 KB Output is correct
16 Correct 80 ms 79468 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 79096 KB Output is correct
2 Correct 83 ms 79172 KB Output is correct
3 Correct 77 ms 79248 KB Output is correct
4 Correct 88 ms 79248 KB Output is correct
5 Correct 84 ms 79248 KB Output is correct
6 Correct 84 ms 79348 KB Output is correct
7 Correct 82 ms 79348 KB Output is correct
8 Correct 73 ms 79348 KB Output is correct
9 Correct 68 ms 79348 KB Output is correct
10 Correct 70 ms 79348 KB Output is correct
11 Correct 85 ms 79368 KB Output is correct
12 Correct 69 ms 79368 KB Output is correct
13 Correct 82 ms 79468 KB Output is correct
14 Correct 71 ms 79468 KB Output is correct
15 Correct 70 ms 79468 KB Output is correct
16 Correct 80 ms 79468 KB Output is correct
17 Correct 74 ms 79468 KB Output is correct
18 Correct 74 ms 79468 KB Output is correct
19 Correct 69 ms 79468 KB Output is correct
20 Correct 88 ms 79468 KB Output is correct
21 Correct 86 ms 79468 KB Output is correct
22 Correct 86 ms 79468 KB Output is correct
23 Correct 84 ms 79468 KB Output is correct
24 Correct 70 ms 79468 KB Output is correct
25 Correct 83 ms 79468 KB Output is correct
26 Correct 85 ms 79468 KB Output is correct
27 Correct 85 ms 79468 KB Output is correct
28 Correct 88 ms 79468 KB Output is correct
29 Correct 85 ms 79468 KB Output is correct
30 Correct 84 ms 79468 KB Output is correct
31 Correct 87 ms 79468 KB Output is correct
32 Correct 83 ms 79468 KB Output is correct
33 Correct 85 ms 79468 KB Output is correct
34 Incorrect 84 ms 79468 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 79096 KB Output is correct
2 Correct 83 ms 79172 KB Output is correct
3 Correct 77 ms 79248 KB Output is correct
4 Correct 88 ms 79248 KB Output is correct
5 Correct 84 ms 79248 KB Output is correct
6 Correct 84 ms 79348 KB Output is correct
7 Correct 82 ms 79348 KB Output is correct
8 Correct 73 ms 79348 KB Output is correct
9 Correct 68 ms 79348 KB Output is correct
10 Correct 70 ms 79348 KB Output is correct
11 Correct 85 ms 79368 KB Output is correct
12 Correct 69 ms 79368 KB Output is correct
13 Correct 82 ms 79468 KB Output is correct
14 Correct 71 ms 79468 KB Output is correct
15 Correct 70 ms 79468 KB Output is correct
16 Correct 80 ms 79468 KB Output is correct
17 Correct 74 ms 79468 KB Output is correct
18 Correct 74 ms 79468 KB Output is correct
19 Correct 69 ms 79468 KB Output is correct
20 Correct 88 ms 79468 KB Output is correct
21 Correct 86 ms 79468 KB Output is correct
22 Correct 86 ms 79468 KB Output is correct
23 Correct 84 ms 79468 KB Output is correct
24 Correct 70 ms 79468 KB Output is correct
25 Correct 83 ms 79468 KB Output is correct
26 Correct 85 ms 79468 KB Output is correct
27 Correct 85 ms 79468 KB Output is correct
28 Correct 88 ms 79468 KB Output is correct
29 Correct 85 ms 79468 KB Output is correct
30 Correct 84 ms 79468 KB Output is correct
31 Correct 87 ms 79468 KB Output is correct
32 Correct 83 ms 79468 KB Output is correct
33 Correct 85 ms 79468 KB Output is correct
34 Incorrect 84 ms 79468 KB Output isn't correct
35 Halted 0 ms 0 KB -