#include<stdio.h>
#include<stdlib.h>

void random(int *broad[4][4]){
	int finish = 1;
	while (finish)
	{
		if (broad[rand() % 4][rand() % 4] == 0) {
			broad[rand() % 4][rand() % 4] = 2;
			break;
	}
		else
			continue;
	}
	
	
}
void updata_broad(int broad[4][4]) {
	system("cls");
	for (int i = 0; i < 4; i++) {
		for (int j = 0; j < 4; j++)
			printf("%d ", broad[i][j]);
		printf("\n");
	}
}
int main() {
	int broad[4][4], gameset = 1;
	char move[1];
	printf("遊戲說明 輸入w(上)s(下)a(左)d(右)\n");
	for (int i = 0; i < 4; i++) // 初始化遊戲盤
		for (int j = 0; j < 4; j++)
			broad[i][j] = 0;
	while (gameset) {
		
		//gameset = 0;
		scanf("%1s",move);
		random(broad);
		updata_broad(broad);
	}
}