#include <stdio.h>
#include <stdlib.h> //rand() RAMD_MAX
#include <time.h>   //time()

void PRINT(void);
void HIGHT(int hight);
void WIDTH(int width);
void CROSS(int hight, int width);
int  CharToInt(char ch);

char POINT[5];
int FORM[3][3];

int Tate;
int Yoko;
int count; //変換した回数

void main(){

	srand(time(NULL));
	for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
			FORM[i][j] = (rand()%(2));
		}
	}

	while(1){
		PRINT();

		printf("\n");
		printf("反転地点  ");
		gets(POINT);

		Tate = CharToInt(POINT[0]) - 17;
		Yoko = CharToInt(POINT[1]) - 1;

		if(Tate < 0 || Tate > 3 || Yoko < 0 || Yoko >4){
			printf("[A~C][1~3] の範囲で入力してください\n");
			printf("\n");
			continue;
		}

		//縦の変換
		HIGHT(Tate);
		//横の変換
		WIDTH(Yoko);
		//重なったところの再変換
		CROSS(Tate, Yoko);

		count++;
	}
}

//文字を数値に変換する
int CharToInt(char ch){
	return (int)ch - (int)'0';
}

void PRINT(void){
	printf("  Ａ Ｂ Ｃ\n");
	for(int i=0; i<3; i++){
		printf("%d ",i+1);
		for(int j=0; j<3; j++){
			if(FORM[i][j] == 0) printf("□ ",FORM[i][j]);
			else if(FORM[i][j] == 1) printf("◇ ",FORM[i][j]);
		}
		printf("\n");
	}
}

//縦の変換
void HIGHT(int hight){
	for(int i=0;i<3;i++){
		if(FORM[i][hight] == 0) FORM[i][hight] = 1;
		else if(FORM[i][hight] == 1) FORM[i][hight] = 0;
	}
}

//横の変換
void WIDTH(int width){
	for(int j=0;j<3;j++){
		if(FORM[width][j] == 0) FORM[width][j] = 1;
		else if(FORM[width][j] == 1) FORM[width][j] = 0;
	}
}

//重なったところの再変換
void CROSS(int hight,int width){
	if(FORM[width][hight] == 0) FORM[width][hight]=1;
	else if(FORM[width][hight] == 1) FORM[width][hight]=0;
}