oj.uz

답안 #706598

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
706598 2023-03-07T06:28:57 Z YugiHacker Emacs (COCI20_emacs) C++14
50 / 50
 1 ms 464 KB 
#include<bits/stdc++.h>
#define el cout<<"\n"
#define f0(i,n) for(int i=0;i<n;++i)
#define f1(i,n) for(int i=1;i<=n;++i)
#define maxn 102
using namespace std;
int n, m, ans, d[maxn][maxn];
char a[maxn][maxn];
int x[] ={0, 0, 1, -1};
int y[] ={1, -1, 0, 0};
void dfs(int u, int v)
{
    if (a[u][v] == '.' || d[u][v] || u < 1 || v<1 || u>n || v>m) return;
    d[u][v] = 1;
    f0 (i, 4) dfs(u+x[i], v+y[i]);
}
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> m;
    f1 (i, n) f1 (j, m) cin >> a[i][j];
    f1 (i, n) f1 (j, m)
    {
        if (a[i][j] == '*' && d[i][j] == 0) dfs(i, j), ans++;
    }
    cout << ans;
}

Compilation message

emacs.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main()
      | ^~~~

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 456 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 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 340 KB Output is correct
9 Correct 1 ms 464 KB Output is correct
10 Correct 1 ms 340 KB Output is correct