Submission

Score: 20

User: DryNotechan

Problemset: บริษัททำความสะอาด

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-03 15:15:46

#include<bits/stdc++.h>
using namespace std;

int zero1(int x){
    if(x<0){
        x=0;
    }
    return x;
}

int main(){
    int n;
    cin >> n;
    int arr[n*n] = {0};
    string str;
    cin >> str;
    int c=0;
    for(int i=0; i<str.size(); i++){
        if(str[i]!='[' && str[i]!=']' && str[i]!=',' ){
            arr[c]=str[i];
            c++;
        }
    }
    int home[n+2][n+2], p=0;
    for(int i=-1; i<=n; i++){
        for(int j=-1; j<=n; j++){
            if(i==-1  || i==n || j==-1 || j==n){
                home[i][j]=0;
            }else{ 
                home[i][j]=arr[p]-48; 
                p++;
            }
        }
    }

    /*for(int i=-1; i<=n; i++){
        for(int j=-1; j<=n; j++){
            cout << home[i][j] << " ";
        }
        cout << "\n";
    }*/

    //
    int area[n+1][n+1];
    for(int i=0; i<n; i++){
        for(int j=0; j<n; j++){
            if(home[i][j]==0){
                area[i][j]=0;
            }else area[i][j]=2+zero1(home[i][j]-home[i][j-1])+zero1(home[i][j]-home[i][j+1])+zero1(home[i][j]-home[i-1][j])+zero1(home[i][j]-home[i+1][j]);
        }
    }
    int sum=0;
    for(int i=0; i<n; i++){
        for(int j=0; j<n; j++){
            sum+=area[i][j];
        }
    }
    cout << sum;
}