#include <stdio.h>
#define M(x) x*(x+1)
void main( )
{ int a=2,b=3;
printf("%d",M(a+b));}
运算的思路是什么啊？求解答。
这个就是简单的字符串替换
a+b*(a+b+1)
因为a=2 b=3
所以是 2+3*6=20
#include<stdio.h>//三子棋
#include<windows.h>
#pragma warning(disable:4996)
#include<time.h>
#define MAX_ROW 3
#define MAX_COL 3
//1.首先打印棋盘(并让棋盘初始化)
//2.玩家落子
//3.判定胜负
//4.电脑落子
//5.判定胜负
void Init(char ChessBoard[MAX_ROW][MAX_COL]){// 把数组中的每个元素都设为 空格
for (int row = 0; row < MAX_ROW; row++){
for (int col = 0; col < MAX_COL; col++){
ChessBoard[row][col] = ' ';
}
}
}
void PrintChessBoard(char ChessBoard[MAX_ROW][MAX_COL]){//打印棋盘
printf("+---+---+---+\n");
for (int row = 0; row < MAX_ROW; row++){
printf("| %c| %c| %c|\n", ChessBoard[row][0], ChessBoard[row][1], ChessBoard[row][2]);
printf("+---+---+---+\n");
}
}
void playerMove(char ChessBoard[MAX_ROW][MAX_COL]){//玩家落子
while (1){
printf("请玩家输入坐标(row,col):");
int row = 0;
int col = 0;
scanf("%d %d", &row, &col);
if (row<0 || row>=MAX_ROW || col<0 || col>=MAX_COL){
printf("您的输入有误，请重新输入！\n");
continue;
}
if (ChessBoard[row][col] != ' '){
printf("此处已经落子!\n");
continue;
}
ChessBoard[row][col] = 'x';
break;
}
}
void computerMove(char ChessBoard[MAX_ROW][MAX_COL]){//电脑落子
while (1){
int row = rand() % MAX_ROW;
int col = rand() % MAX_COL;
if (ChessBoard[row][col] != ' '){
continue;
}
ChessBoard[row][col] = 'o';
break;
}
}
int isfull(char ChessBoard[MAX_ROW][MAX_COL]){//判断和棋情况
for (int row = 0; row < MAX_ROW; row++){
for (int col = 0; col < MAX_COL; col++){
if (ChessBoard[row][col] == ' '){
return 0;
}
}
}
return 1;
}
char iswin(char ChessBoard[MAX_ROW][MAX_COL]){//判定胜负
for (int row = 0; row < MAX_ROW; row++){//判定行
if (ChessBoard[row][0] != ' ' &&ChessBoard[row][0] == ChessBoard[row][1] &&
ChessBoard[row][0] == ChessBoard[row][2]){
return ChessBoard[row][0];
}
}
for (int col = 0; col < MAX_COL; col++){//判定列
if (ChessBoard[col][0] != ' ' &&ChessBoard[col][0] == ChessBoard[col][1] &&
ChessBoard[col][0] == ChessBoard[col][2]){
return ChessBoard[col][0];
}
}
if (ChessBoard[0][0] !=' ' && ChessBoard[0][0] == ChessBoard[1][1] &&
ChessBoard[0][0] == ChessBoard[2][2]){
return ChessBoard[0][0];
}
if (ChessBoard[2][0] != ' ' && ChessBoard[2][0] == ChessBoard[1][1] &&
ChessBoard[2][0] == ChessBoard[0][2]){
return ChessBoard[2][0];
}
if (isfull(ChessBoard)){
return 'q';
}
return ' ';
}
void game(){
char ChessBoard[MAX_ROW][MAX_COL] = { 0 };
Init(ChessBoard);
char winner = ' ';
while (1){
PrintChessBoard(ChessBoard);//打印棋盘
playerMove(ChessBoard);//玩家落子
winner = iswin(ChessBoard);//胜负判定
if (winner != ' '){
break;
}
computerMove(ChessBoard);
winner = iswin(ChessBoard);
if (winner != ' '){
break;
}
}
PrintChessBoard(ChessBoard);
if (winner == 'x'){
printf("恭喜您，战胜了人工智障！\n");
}
if (winner == 'o'){
printf("很遗憾，您连人工智障都不如！\n");
}
if (winner == 'q'){
printf("您和人工智障五五开！\n");
}
}
int menu(){
printf("=====================\n");
printf("1.开始游戏\n");
printf("0.结束游戏\n");
printf("=====================\n");
printf("请输入您的选择：");
int choice = 0;
scanf("%d", &choice);
return choice;
}
int main(){
srand((unsigned int)time(0));
while (1){
int choice = menu();//创建一个简单的用户交互菜单
if (choice == 1){
game();
}
else if (choice == 0){
printf("Goodbye!\n");
break;
}
else{
printf("您的输入有误，请重新输入！\n");
}
}
system("pause");
return 0;
}
ok ,文章就先到这里了,希望这篇文章能够帮助到你对指针的认识,若有不足或者不正之处,希望谅解并欢迎批评指正!
如果本文章对你有帮助,哪怕一点点,那就请点一个赞呗,谢谢~~