man - プログラム倉庫

class pro{
public static void main(String args[]){
int x[][]=new int[11][11];
int m,n;
int px,py,dx,dy;
double r;
int t;
int score;
for (m=1;m<11;m++){
for (n=1;n<11;n++){
x[m][n]=0;
}
}

px=1;
py=1;
t=0;
while(t<100){
r=Math.random();
dx=0;
dy=0;
if (r>0.2)dx=1;
if (r>0.2)dy=0;
if (r>0.4)dx=-1;
if (r>0.4)dy=0;
if (r>0.6)dx=0;
if (r>0.6)dy=1;
if (r>0.8)dx=0;
if (r>0.8)dy=-1;
px=px+dx;
py=py+dy;
if (px>10)px=10;
if (px<1)px=1;
if (py>10)py=10;
if (py<1)py=1;
x[px][py]=1;
score=0;
for (m=1;m<11;m++){
for (n=1;n<11;n++){
if (x[m][n]==1)score=score+1;
}
}
System.out.println(score);
t=t+1;
}

}
}