今日上課內容:
1.複習瘋狂程設題目/// 讀入整數反序列印

#include <stdio.h>
int a[20];
int main()
{
int i=0;
while(i<10)
{
scanf("%d",&a[i]);
if(a[i]==0)break;
i++;
}
for (int j=i-1;j>=0;j--)
{
printf("%d ",a[j]);
}
printf("\n");
return 0;
}
///大小寫轉換

#include <stdio.h>
char line[20];
int main()
{
scanf("%s", line);
for (int i=0; line[i]!=0;i++)
{
char c=line[i];
if(c>='A' && c<='Z')
{
line[i]=c-'A'+'a';
}
else if(c>='a'&&c<='z')
line[i]=c-'a'+'A';
}
printf("%s\n", line);
}
2.泡泡排序法

//int []a=new int[10];//Java's Array
//int []a={3,0,1,8,7,2,5,4,6,9}; //https://www.youtube.com/watch?v=lyZQPjUT5B4
//int []a={6,3,5,9,1,0,4,2,7,8};
//int []a={1,2,3,5,0,4,6,7,8,9};
//int []a={0,9,1,2,3,5,4,6,7,8}; //對於快要排好的東西, 特別快!!!
int []a={9,8,7,6,5,4,3,2,1,0}; //最糟的狀況:全倒 => QQ
void setup(){
size(500,800);
//for(int i=0;i<10;i++){//random choose number
// a[i]=int(random(10));//亂數決定數字
//}
textSize(36);
textAlign(LEFT,TOP);
showArray(y);
}
int y=0;
void showArray(int y){
for(int i=0;i<10;i++){
fill(255); rect(i*50, y, 50,50);
fill(0); text(a[i], i*50, y);
}
}
void draw(){
}
void mousePressed(){
for(int i=0; i<10-1;i++){
if(a[i] > a[i+1]){
int temp=a[i];
a[i]=a[i+1];
a[i+1]=temp;
fill(255,0,0,128); rect(i*50, y, 100,50);
}
}
y+=50;
showArray(y);
}
3.小精靈顯示

void setup(){
size(400,400);
}
int X=100, Y=100 ,angle=45, diff=1;
void draw(){
background(0);
arc( X,Y, 80,80, radians(angle), radians(360-angle), PIE);
angle+=diff;
if(angle>60) diff=-1;
if(angle<0) diff=+1;
}
4.小精靈移動

void setup(){
size(400,400);
}
int X=100, Y=100 ,dx=1,dy=0,angle=45, diff=2;
void draw(){
background(0);
arc( X,Y, 80,80, radians(angle), radians(360-angle), PIE);
angle+=diff;
if(angle>60) diff=-2;
if(angle<0) diff=+2;
X+=dx;Y+=dy;
}
void keyPressed() ////鍵盤控制
{
if(keyCode==RIGHT) {dx=+1;dy=0;}
if(keyCode==LEFT) {dx=-1;dy=0;}
if(keyCode==UP) {dx=0;dy=-1;}
if(keyCode==DOWN) { dx=0;dy=+1;}
}
5.小精靈依控制鍵盤改變方向

***加這三行***
////int X=100, Y=100 ,dx=1,dy=0,angle=45, diff=2,dir=0;
////arc( X,Y, 80,80, radians(dir+angle), radians(dir+360-angle), PIE);
//// if(keyCode==RIGHT) {dx=+1;dy=0;dir=0;}
if(keyCode==LEFT) {dx=-1;dy=0;dir=180;}
if(keyCode==UP) {dx=0;dy=-1;dir=270;}
if(keyCode==DOWN) { dx=0;dy=+1;dir=90;}
int [][]bean=
{
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
{1,1,1,1,1, 1,1,1,1,1},
}
void setup()
{
size(400,400);
}
int X=100, Y=100 ,dx=1,dy=0,angle=45, diff=2,dir=0;
void draw(){
background(0);
fill(255);
for(int y=0;y<10; y++)
{
for(int x=0;x<10; x++)
{
if(bean[y][x]==0)continue;
ellipse( 20+x*40, 20+y*40, 10,10);
if (dist(x,y,20+x*40, 20+y*40,)<20)bean[y][x]=0;
}
}
arc( X,Y, 80,80, radians(dir+angle), radians(dir+360-angle), PIE);
angle+=diff;
if(angle>60) diff=-2;
if(angle<0) diff=+2;
X+=dx;Y+=dy;
}
void keyPressed()
{
if(keyCode==RIGHT) {dx=+1;dy=0;dir=0;}
if(keyCode==LEFT) {dx=-1;dy=0;dir=180;}
if(keyCode==UP) {dx=0;dy=-1;dir=270;}
if(keyCode==DOWN) { dx=0;dy=+1;dir=90;}
}
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