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121219陳柏安(2009-03-05 16:22:24)

最大公因數

#include <iostream> using namespace std; int GCD(int a,int b){ int GCD=0; while(GCD==0){ if (a==0) { GCD=b; } else if(b==0) { GCD=a; } else { if (a>b) { a=a%b; } else { b=b%a; } } } return GCD; } int main(){ int x, y; while (cin>>x,cin>>y){ GCD(x, y); cout<<GCD(x, y)<<endl; } }

121219陳柏安(2009-03-05 16:28:03)

解碼器

#include <iostream> using namespace std; int main(){ char a[100], b[100]; int i; for (i=0;i<100;i++) { a[i]=0; b[i]=0; } i=0; while (cin>>a){ for (i=0;i<100;i++){ if (a[i]==0) { break; } b[i]=a[i]-7; } cout<<b<<endl; for (i=0;i<100;i++) { a[i]=0; b[i]=0; } } return 0; }

121219陳柏安(2009-03-05 16:29:01)

質數判定

#include <stdio.h> #include <stdlib.h> #include <math.h> int main(){ int a, i, z; while (scanf("%d",&a)!=EOF){ z=0; if (a==1) { puts("非質數"); z=1; } else if (a==2) { puts("質數") ; z=1; } else { for (i=2;i<=sqrt(a);i++) { if (a%i==0) { puts("非質數"); z=1; break; } } } if (z==0) { puts("質數"); } } return 0; }

121219陳柏安(2009-03-05 16:30:38)

哈囉

#include<stdio.h> #include<stdlib.h> int main() { char a[100]; while (scanf("%s",&a)!=EOF) { printf("Hello %s\n",a); } }

121219陳柏安(2009-03-05 16:31:16)

簡易加法

#include<stdio.h> #include<stdlib.h> int main() { int a, b; while (scanf("%d %d",&a,&b)!=EOF) { printf("%d\n",a+b); } return 0; }

121219陳柏安(2009-03-05 16:31:44)

兩光法師占卜術

#include<stdio.h> #include<stdlib.h> int main() { int M, D, S; while (scanf("%d %d",&M,&D)!=EOF) { S=(M*2+D)%3; if (S==0) { printf("普通\n"); } if (S==1) { printf("吉\n"); } if (S==2) { printf("大吉\n"); } } return 0; }

121219陳柏安(2009-03-05 16:32:22)

文文的求婚

#include<iostream> using namespace std; int main() { int a; while (cin>>a) { if (a%400==0) { cout<<"閏年"<<endl; } else if (a%100==0) { cout<<"平年"<<endl; } else if (a%4==0) { cout<<"閏年"<<endl; } else { cout<<"平年"<<endl; } } }

121219陳柏安(2009-03-05 16:32:59)

EVA的回家作業

#include<iostream> using namespace std; int main() { int t, z=1; int a, b, c, d; cin>>t; while (cin>>a,cin>>b,cin>>c,cin>>d) { if (b-a==c-b&&c-b==d-c) { cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<d+d-c<<endl; } else if (b/a==c/b&&c/b==d/c) { cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<d*d/c<<endl; } else cout<<"錯誤!"<<endl; if (z==t) { break; } z=z+1; } system("pause"); }

121219陳柏安(2009-03-05 16:33:32)

一元二次方程式

#include <stdio.h> #include <stdlib.h> #include <math.h> int main(){ int a, b, c, x1, x2; while (scanf("%d %d %d", &a, &b, &c)!=EOF) { x1=(-b+sqrt(b*b-4*a*c))/(2*a); x2=(-b-sqrt(b*b-4*a*c))/(2*a); if (b*b-4*a*c<0) { printf("No real root\n"); } else if (x1!=x2) { printf("Two different roots x1=%d , x2=%d\n",x1,x2); } else if (x1==x2) { printf("Two same roots x=%d\n",x1); } } return 0; }

121219陳柏安(2009-03-05 16:34:43)

中文大寫數字

#include <iostream> using namespace std; int number_change(int x); int main() { int number, a, a1, b, b1, c, c1, d, d1, e, e1, f, f1, g, g1, h, h1, i, j; int z, y; while (cin>>number) { z=0; y=0; a=number/1000000000; a1=number%1000000000; b=a1/100000000; b1=a1%100000000; c=b1/10000000; c1=b1%10000000; d=c1/1000000; d1=c1%1000000; e=d1/100000; e1=d1%100000; f=e1/10000; f1=e1%10000; g=f1/1000; g1=f1%1000; h=g1/100; h1=g1%100; i=h1/10; j=h1%10; if (a!=0) { number_change(a); cout<<"拾"; z=z+1; } if (b!=0) { number_change(b); z=z+1; } if (z!=0) { cout<<"億"; } if (c!=0) { number_change(c); cout<<"仟"; z=z+1; y=y+1; } if (d!=0) { if (c==0&&z!=0) { cout<<"零"; } number_change(d); cout<<"佰"; z=z+1; y=y+1; } if (e!=0) { if (d==0&&z!=0) { cout<<"零"; } number_change(e); cout<<"拾"; z=z+1; y=y+1; } if (f!=0) { if (e==0&&z!=0) { cout<<"零"; } number_change(f); z=z+1; y=y+1; } if (y!=0) { cout<<"萬"; } if (g!=0) { if (y==0&&z!=0) { cout<<"零"; } number_change(g); cout<<"仟"; z=z+1; } if (h!=0) { if (g==0&&z!=0) { cout<<"零"; } number_change(h); cout<<"佰"; z=z+1; } if (i!=0) { if (h==0&&z!=0) { cout<<"零"; } number_change(i); cout<<"拾"; } if (j!=0) { if (i==0&&z!=0) { cout<<"零"; } number_change(j); } cout<<endl; } system ("pause"); } int number_change(int x) { int a=x; if (a==1) { cout<<"壹"; } else if (a==2) { cout<<"貳"; } else if (a==3) { cout<<"參"; } else if (a==4) { cout<<"肆"; } else if (a==5) { cout<<"伍"; } else if (a==6) { cout<<"陸"; } else if (a==7) { cout<<"柒"; } else if (a==8) { cout<<"捌"; } else if (a==9) { cout<<"玖"; } return 0; }

121219陳柏安(2009-06-18 16:59:47)

這題送分的吧= =?

#include <iostream> using namespace std; int main(){ int x,y; while (cin>>x){ y=x-1911; cout<<y; } return 0; }

121219陳柏安(2009-06-18 17:06:39)

又一個送分的

#include <iostream> using namespace std; int main(){ int x, y; while (cin>>x){ y=x-15; if (y<0){ y=y+24; } if (y>23){ y=y-24; } cout<<y; } return 0; }

121219陳柏安(2009-06-18 21:42:02)

送分+1

#include <iostream> using namespace std; int main(){ int x, y; while (cin>>x){ y=((x*(x+1))/2)+1; cout<<y<<endl; } return 0; }

121219陳柏安(2009-06-19 13:50:55)

我居然耍笨錯了3遍...

#include <iostream> using namespace std; int main(){ int x, y; while (cin>>x){ if (x<0){ y=-1; } if (x==0){ y=0; } if (x>0){ y=1; } cout<<y<<endl; } return 0; }

121219陳柏安(2009-06-19 19:00:04)

恩

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ if (x<25){ cout<<(25-x)<<endl; } if (x==25){ cout<<0<<endl; } if (x>25){ cout<<(85-x)<<endl; } } return 0; }

121219陳柏安(2009-06-19 19:03:01)

@@

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ if (x==1){ cout<<0<<endl; } if (x==0){ cout<<1<<endl; } } return 0; }

121219陳柏安(2009-06-19 19:05:26)

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ if ((x%2)==0){ cout<<"Even"<<endl; } if ((x%2)==1){ cout<<"Odd"<<endl; } } return 0; }

121219陳柏安(2009-06-19 19:56:34)

#include <iostream> using namespace std; int main(){ int x, y, z, a; while (cin>>x,cin>>y,cin>>z){ a=x; if (y>x){ a=y; if (z>y){ a=z; } } else if (z>x){ a=z; } cout<<a<<endl; } return 0; }

121219陳柏安(2009-06-21 07:16:24)

#include <iostream> using namespace std; int main(){ int x, y; while (cin>>x,cin>>y){ if (x<17&&x>7){ cout<<"At School"<<endl; } else if (x<7||x>=17){ cout<<"Off School"<<endl; } else if (x=7){ if (y>=30){ cout<<"At School"<<endl; } else cout<<"Off School"<<endl; } } return 0; }

121219陳柏安(2009-06-21 07:24:21)

#include <iostream> using namespace std; int main(){ int a; while (cin>>a){ if (a%400==0) { cout<<"a leap year"<<endl; } else if (a%100==0){ cout<<"a normal year"<<endl; } else if (a%4==0){ cout<<"a leap year"<<endl; } else{ cout<<"a normal year"<<endl; } } return 0; }

121219陳柏安(2009-06-24 13:41:54)

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ cout<<((x-1)*x)+2<<endl; } return 0; }

121219陳柏安(2009-06-24 13:54:25)

#include <iostream> using namespace std; int main(){ int x, n, i; while (cin>>n){ for (i=0;i<n;i++){ while (cin>>x){ if (x%400==0) { cout<<"a leap year"<<endl; } else if (x%100==0){ cout<<"a normal year"<<endl; } else if (x%4==0){ cout<<"a leap year"<<endl; } else{ cout<<"a normal year"<<endl; } } } } }

121219陳柏安(2009-06-24 14:00:23)

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ if (x%400==0&&x!=0) { cout<<"a leap year"<<endl; } else if (x%100==0&&x!=0){ cout<<"a normal year"<<endl; } else if (x%4==0&&x!=0){ cout<<"a leap year"<<endl; } else if (x!=0){ cout<<"a normal year"<<endl; } } }

121219陳柏安(2009-06-24 14:03:50)

#include <iostream> using namespace std; int main(){ int x; while (cin>>x&&x!=EOF){ if (x%400==0) { cout<<"a leap year"<<endl; } else if (x%100==0){ cout<<"a normal year"<<endl; } else if (x%4==0){ cout<<"a leap year"<<endl; } else{ cout<<"a normal year"<<endl; } } }

121219陳柏安(2009-06-24 14:09:41)

#include <iostream> using namespace std; int main(){ int x, n, i; while (cin>>n){ for (i=0;i<n;i++){ cin>>x; cout<<"Case "<<i+1<<": "; if (x%400==0) { cout<<"a leap year"<<endl; } else if (x%100==0){ cout<<"a normal year"<<endl; } else if (x%4==0){ cout<<"a leap year"<<endl; } else{ cout<<"a normal year"<<endl; } } } }

121219陳柏安(2009-06-24 14:13:20)

#include <iostream> using namespace std; int main(){ int x; while (cin>>x){ cout<<(x-1)/3+1<<endl; } }

121219陳柏安(2009-06-24 14:23:03)

#include <iostream> using namespace std; int main(){ int n, x, i, a; while (cin>>n){ a=0; for (i=0;i<n;i++){ cin>>x; if (x>a){ a=x; } } cout<<a<<endl; } }