제출 #583179

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
583179		AGE	Emacs (COCI20_emacs)	C++14	50 / 50	22 ms	31828 KiB

emacs

#include<bits/stdc++.h>
#define F first
#define S second
#define int long long
#define pb push_back

using namespace std;
const int N=1e6,M=2e3,mod=1e9+7;
int dp[2][51][51][10001];
string s[N];
int cnt=1;
int dx[4]={1,-1,0,0};
int dy[4]={0,0,-1,1};

int n,m,vis[105][105];
bool inside(int x,int y){
    return (x<n)&&(x>=0)&&(y<m)&&(y>=0)&&(s[x][y]=='*');
}

void floodfill(int x,int y){

    vis[x][y]=1;

    for(int i=0;i<4;i++){

        int newx=x+dx[i];
        int newy=y+dy[i];

        if(inside(newx,newy)&&vis[newx][newy]==0)
            floodfill(newx,newy);

    }

}
main()
{

    cin>>n>>m;

    for(int i=0;i<n;i++)
        cin>>s[i];

    for(int i=0;i<n;i++)
        for(int j=0;j<m;j++){

            if(!vis[i][j]&&s[i][j]=='*')
                floodfill(i,j),cnt++;

        }


    cout<<cnt-1<<endl;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

emacs.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main()
      | ^~~~

• Subtask 1: 50 / 50