#include<stdio.h>
int main(){
int n;
scanf("%d",&n);
int n1=n;
int ans=0;
while(n>0){
ans*=10;
int now=n%10;
n/=10;
ans+=now;
}
int n2=ans;
printf("%d+%d=%d\n",n1,n2,n1+n2);
}
分式化簡
#include<stdio.h> int gcd(int m,int n){ if(m==0)return n; else return gcd(n%m,m); } int main(){ int a,b,x; scanf("%d%d",&a,&b); x=gcd(a,b); printf("%d %d\n",a/x,b/x); }
#include<stdio.h>
int main(){
int n,c;
while(scanf("%d",&n)==1){
c=0;
while(n>=3)
{
c+=3;
n-=2;
}
if(n==2)c+=3;
else c+=n;
printf("%d\n",c);
}
}
要做出一個Lyto Different Color
先有四個小球
void setup(){
size(300,500);
}
int r=0;
void draw(){
background(0);
ellipse(70,200+75,r,r);
ellipse(70,200+75+150,r,r);
ellipse(70+150,200+75,r,r);
ellipse(70+150,200+75+150,r,r);
if(r<145) r+=2;
else r=0;
}
用迴圈是
void setup(){
size(300,500);
}
int r=0;
void draw(){
background(0);
for(int x=0;x<3;x++)
for(int y=0;y<3;y++){
ellipse(50+x*100,200+50+y*100,r,r);
}
if(r<100) r+=2;
else r=0;
}
void setup() {
size(screen.width, screen.height);
ansX= 3;
ansY= 2;
}
int r=0;
int ansX, ansY, win=0;
void draw() {
if (win==1) background(255, 255, 0);
else background(0);
int n=5;
int w=300/(2*n);
for (int x=0; x<n; x++) {
for (int y=0; y<n; y++) {
if (x==ansX && y==ansY) fill(150);
else fill(255);
int cx=w+x*2*w, cy=200+w+y*2*w;
ellipse(cx, cy, r, r);
if (mousePressed && dist(mouseX, mouseY, cx, cy)<w) {
if (ansX==x && ansY==y) {
win=1;
r=0;
ansX= int(random(n));
ansY= int(random(n));
}
}
}
if (r< 2*w) r+=2;
}
}
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