oj.uz

Submission #341308

# Submission time Handle Problem Language Result Execution time Memory
341308 2020-12-29T12:45:55 Z A_D Emacs (COCI20_emacs) C++14
50 / 50
 2 ms 512 KB 
/*
ID: antwand1
TASK: pprime
LANG: C++
*/
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define du long double
#define F first
#define S second
#define FOR(a,b) for(int a=1;a<=b;a++)
#define FORl(a,b) for(a=1;a<=b;a++)
#define FOR0(a,b) for(int a=1;a<b;a++)
#define FORl0(a,b) for(a=0;a<b;a++)
using namespace std;
const int N=101;
char a[N][N];
bool vis[N][N];
int n,m;
int x[]={0,0,1,-1};
int y[]={1,-1,0,0};
bool ok(int i,int j)
{
    return vis[i][j]==0&&min(i,j)>=1&&j<=m&&i<=n&&a[i][j]=='*';
}
void dfs(int i,int j)
{
    vis[i][j]=1;
    for(int k=0;k<4;k++){
        if(ok(i+x[k],j+y[k]))dfs(i+x[k],j+y[k]);
    }
}
main()
{
    //freopen("pprime.in","r",stdin);freopen("pprime.out","w",stdout);
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    int ans=0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(a[i][j]=='*'&&vis[i][j]==0){
                ans++;
                dfs(i,j);
            }
        }
    }
    cout<<ans<<endl;
}

Compilation message

emacs.cpp:34:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main()
      |      ^

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 1 ms 384 KB Output is correct