Submission

Score: 70

User: Some1258

Problemset: Othello

Language: cpp

Time: 0.002 second

Submitted On: 2026-07-29 09:56:10

#include<bits/stdc++.h>
using namespace std;
const int sze=8;
bool inside(int row, int col){
    return row>=0&&row<sze&&col>=0&&col<sze;
}
void makemove(vector<string>& board, int row,int col, char player){
    char opponent=(player=='B')?'W':'B';
    const int dr[8]={-1,-1,-1,0,0,1,1,1};
    const int dc[8]={-1,0,1,-1,1,-1,0,1};
    board[row][col]=player;
    for(int direction=0;direction<8;direction++){
        int crow=row+dr[direction];
        int ccol=col+dc[direction];
        vector<pair<int,int>> piecestoflip;
        while(inside(crow,ccol)&&board[crow][ccol]==opponent){
            piecestoflip.push_back({crow,ccol});
            crow+=dr[direction];
            ccol+=dc[direction];
        }
        if(!piecestoflip.empty()&&inside(crow,ccol)&&board[crow][ccol]==player){
            for(const auto& position : piecestoflip){
                board[position.first][position.second]=player;
            }
        }
    }
}
int main(){
    vector<string> board(sze);
    for(int row=0;row<sze;row++){
        cin>>board[row];
    }
    char player='B';
    int row,col;
    while(cin>>row>>col){
        if(row==-1&&col==-1){
            break;
        }
        makemove(board,row,col,player);
        player=(player=='B')?'W':'B';
    }
    int blackcount=0;
    int whitecount=0;
    for(const string& boardrow:board){
        cout<<boardrow<<'\n';
        for(char cell:boardrow){
            if(cell=='B'){
                blackcount++;
            }else if(cell=='W'){
                whitecount++;
            }
        }
    }
    if(blackcount>whitecount){
        cout<<"black wins";
    }else if(whitecount>blackcount){
        cout<<"white wins";
    }else{
        cout<<"draw";
    }

}