oj.uz

Submission #838534

# Submission time Handle Problem Language Result Execution time Memory
838534 2023-08-27T10:58:29 Z EntityPlantt Emacs (COCI20_emacs) C++17
50 / 50
 1 ms 340 KB 
#include <cstdio>
short m, n, i, j, cnt;
bool r[100][100];
char c;
inline void clear(short x, short y) {
    r[x][y] = false;
    if (x && r[x - 1][y]) clear(x - 1, y);
    if (y && r[x][y - 1]) clear(x, y - 1);
    if (x < m - 1 && r[x + 1][y]) clear(x + 1, y);
    if (y < n - 1 && r[x][y + 1]) clear(x, y + 1);
}
int main() {
    scanf("%hd%hd", &m, &n);
    for (i = 0; i < m; i++) {
        for (j = 0; j < n; j++) {
            scanf(" %c", &c);
            r[i][j] = c == '*';
        }
    }
    for (i = 0; i < m; i++) {
        for (j = 0; j < n; j++) {
            if (r[i][j]) {
                cnt++;
                clear(i, j);
            }
        }
    }
    printf("%hd", cnt);
    return 0;
}

Compilation message

emacs.cpp: In function 'int main()':
emacs.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%hd%hd", &m, &n);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
emacs.cpp:16:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |             scanf(" %c", &c);
      |             ~~~~~^~~~~~~~~~~

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct