class Solution {
public boolean validTicTacToe(String[] board) {
int x = 0,o = 0;// o 和 x 的棋子数
boolean playerx=false,playero=false;// 玩家x 和 玩家o
// 棋子数量
for(String s:board){
for(int i =0;i<3;i++){
char ch = s.charAt(i);
if(ch == 'X'){
x++;
}else if(ch == 'O'){
o++;
}
}
}
if(o==1 && x==0){
return false;
}
if(x-1>o || o>x){
return false;
}
// 斜线
if(board[0].charAt(0) == board[1].charAt(1) && board[1].charAt(1) == board[2].charAt(2)){
if(board[0].charAt(0) == 'X'){
playerx = true;
}else if(board[0].charAt(0) == 'O'){
playero = true;
}
}
if(board[0].charAt(2) == board[1].charAt(1) && board[1].charAt(1) == board[2].charAt(0)){
if(board[0].charAt(2) == 'X'){
playerx = true;
}else if(board[0].charAt(2) == 'O'){
playero = true;
}
}
// 横着
for(String s: board){
boolean flag = true;
char c1 = s.charAt(0);
for(int i=1;i<3;i++){
char c2 = s.charAt(i);
if(c1!=c2){
flag=false;
break;
}
}
if(c1 == 'X'&& flag){
playerx = true;
}
else if(c1 == 'O'&& flag){
playero = true;
}
}
// 竖着
for(int i =0;i<3;i++){
boolean flag = true;
char c1 = board[0].charAt(i);
for(int j = 1; j < 3;j++){
String s = board[j];
if(s.charAt(i) != c1){
flag = false;
break;
}
}
if( c1 == 'X'&& flag){
playerx =true;
}else if(c1 == 'O'&&flag){
playero = true;
}
}
// 判断 玩家是否这很的胜利
if(playerx){
if(x<=o){// playerx 先下,如果胜出,棋子数量比 player0 多
return false;
}
}
if(playero){
if(x!=o){// player0 后下,如果胜出,棋子数量跟 playerx 一样多
return false;
}
}
return (playero && playerx)?false:true;
}
}
class Solution {
public boolean validTicTacToe(String[] board) {
int x = 0,o = 0;// o 和 x 的棋子数
boolean playerx=false,playero=false;// 玩家x 和 玩家o
// 棋子数量
for(String s:board){
for(int i =0;i<3;i++){
char ch = s.charAt(i);
if(ch == 'X') x++;
else if(ch == 'O') o++;
}
}
if(o==1 && x==0)return false;
if(x-1>o || o>x)return false;
// 斜线
if(board[0].charAt(0) == board[1].charAt(1) && board[1].charAt(1) == board[2].charAt(2)){
if(board[0].charAt(0) == 'X')playerx = true;
else if(board[0].charAt(0) == 'O')playero = true;
}
if(board[0].charAt(2) == board[1].charAt(1) && board[1].charAt(1) == board[2].charAt(0)){
if(board[0].charAt(2) == 'X')playerx = true;
else if(board[0].charAt(2) == 'O')playero = true;
}
// 横着
for(String s: board){
boolean flag = true;
char c1 = s.charAt(0);
for(int i=1;i<3;i++){
char c2 = s.charAt(i);
if(c1!=c2){
flag=false;
break;
}
}
if(c1 == 'X'&& flag)playerx = true;
else if(c1 == 'O'&& flag)playero = true;
}
// 竖着
for(int i =0;i<3;i++){
boolean flag = true;
char c1 = board[0].charAt(i);
for(int j = 1; j < 3;j++){
String s = board[j];
if(s.charAt(i) != c1){
flag = false;
break;
}
}
if( c1 == 'X'&& flag)playerx =true;
else if(c1 == 'O'&&flag)playero = true;
}
// 判断 玩家是否这很的胜利
if(playerx)
if(x<=o)return false;// playerx 先下,如果胜出,棋子数量比 player0 多
if(playero)
if(x!=o)return false;// player0 后下,如果胜出,棋子数量跟 playerx 一样多
return (playero && playerx)?false:true;
}
}
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原文链接 : https://blog.csdn.net/DarkAndGrey/article/details/121845515
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