Submission

Score: 70

User: PROb221

Problemset: Othello

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-14 06:58:02

#include <iostream>
#include <string>
#define n 8
using namespace std;

string arr[n];
int i,j,x,y,b_score=0,w_score=0;
char turn;
void show() {
  for(i=0;i<n;i++) {
    for(j=0;j<n;j++) {
      cout << arr[i][j];
    }
    cout << "\n";
  }
}
void result() {
  for(i=0;i<n;i++) {
    for(j=0;j<n;j++) {
      if(arr[i][j]=='B'){b_score++;}
      if(arr[i][j]=='W'){w_score++;}
    }
  }
  if(b_score==w_score){cout<<"draw";}
  if(b_score>w_score){cout<<"black wins";}
  if(b_score<w_score){cout<<"white wins";}
}
bool isfull() {
  bool full=true;
  for(i=0;i<n;i++) {
    for(j=0;j<n;j++) {
      if(arr[i][j]=='W'||arr[i][j]=='B') {continue;}
      full=false;
    }
  }
  return full;
}
void right(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x,j=y+1;j<8;j++) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x,j=y+1;j<8;j++) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void left(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x,j=y-1;j>=0;j--) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x,j=y-1;j>=0;j--) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void down(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x+1,j=y;i<8;i++) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x+1,j=y;i<8;i++) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void up(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x-1,j=y;i>=0;i--) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x-1,j=y;i>=0;i--) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void downright(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x+1,j=y+1;i<8&&j<8;i++,j++) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x+1,j=y+1;i<8&&j<8;i++,j++) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void downleft(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x+1,j=y-1;i<8&&j>=0;i++,j--) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x+1,j=y-1;i<8&&j>=0;i++,j--) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void upleft(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x-1,j=y-1;i>=0&&j>=0;i--,j--) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x-1,j=y-1;i>=0&&j>=0;i--,j--) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
void upright(int x, int y, char turn) {
  char oppo;
  if(oppo=='B') {
    oppo='W';
  }
  else {
    oppo='B';
  }
  bool check=false;
  for(i=x-1,j=y+1;i>=0&&j<8;i--,j++) {
    if(arr[i][j]==turn) {
      check=true;break;
    }
    if(arr[i][j]=='_') {
      check=false;break;
    }
  }
  if(check==true) {
    for(i=x-1,j=y+1;i>=0&&j<8;i--,j++) {
      if(arr[i][j]==turn) {
        break;
      }
      arr[i][j]=turn;
    }
  }
}
//--------------------------------------------------------
int main() {
  for(i=0;i<n;i++) {
    for(j=0;j<n;j++) {
      cin >> arr[i][j];
    }
  }
  
  // cin >> x >> y;
  // arr[x][y]='B';
  // right(x,y,'B');
  // left(x,y,'B');
  // down(x,y,'B');
  // up(x,y,'B');
  // downright(x,y,'B');
  // downleft(x,y,'B');
  // upleft(x,y,'B');
  // upright(x,y,'B');
    int turn = 1;
    char c;
  while(1) {
    if(isfull()==true){break;}
    cin >> x >> y; //x is height, y is <-->
    if(x==-1&&y==-1) {
      break;
    }
    if(turn%2==1||turn%2==-1){c='B';}
    if(turn%2==0){c='W';}
    arr[x][y]=c;
    right(x,y,c);
    left(x,y,c);
    down(x,y,c);
    up(x,y,c);
    downright(x,y,c);
    downleft(x,y,c);
    upleft(x,y,c);
    upright(x,y,c);
    turn++;
  }
  
  //black first turn(1), white second turn(2)
  show();
  result();
  return 0;
}