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121324楊翔宇(2009-03-05 16:23:03)

使用double變數，可符合要求。

#include<stdio.h> int main(){ double a,i,m; while(scanf("%lf",&a)!=EOF){ m=1; if (a==0) printf("1\n"); else if (a==1) printf("1\n"); else{ for (i=1;i<=a;i++) m=m*i; printf("%.0lf\n",m); } } }

121324楊翔宇(2009-03-05 16:26:52)

#include<stdio.h> #include<stdlib.h> int main(){ unsigned int a,b,c,temp; while((scanf(" %d %d",&a,&b))!=EOF){ while(1){ if(a>b){ temp=a; a=b; b=temp; } if(b%a==0){ printf("%d",a); break; } else{ c=b/a; b=b-a*c; } } printf("\n"); } return 0; }

121324楊翔宇(2009-03-05 16:30:44)

#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; }

121324楊翔宇(2009-03-05 16:33:39)

#include<stdio.h> int main(){ int a; while(scanf("%d",&a)!=EOF){ if(a%2==0) printf("Even\n"); else printf("Odd\n"); } return 0; }

121324楊翔宇(2009-03-05 16:35:47)

#include<stdio.h> int main(){ int a[100]; while(scanf("%s",a)!=EOF){ printf("Hello %s\n",a); } return 0; }

121324楊翔宇(2009-03-05 16:38:52)

#include<stdio.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"); else if(S==1) printf("吉\n"); else if(S==2) printf("大吉\n"); } return 0; }

121324楊翔宇(2009-03-05 16:48:57)

#include<stdio.h> #include<math.h> int main(){ long a,i,flag; while(scanf("%ld",&a)!=EOF){ flag=0; for(i=2;i<=sqrt(a);i++){ if((a%i)==0){ flag=1; break; } } if(flag==0) printf("質數\n"); else if(flag==1) printf("非質數\n"); } }

121324楊翔宇(2009-03-05 16:43:14)

#include<stdio.h> int main(){ char s[100]; int i; while(scanf(" %s",s)!=EOF){ for(i=0;s[i]!='\0';i++) s[i]=s[i]-7; printf("%s\n"); } return 0; }

121324楊翔宇(2009-03-05 16:47:25)

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

121324楊翔宇(2009-03-05 16:47:50)

#include<stdio.h> int main(){ int a,b,c,d,i,n; while(scanf(" %d",&n)!=EOF){ for(i=1;i<=n;i++){ scanf(" %d %d %d %d",&a,&b,&c,&d)!=EOF; if((b-a)==(c-b)) printf("%d %d %d %d %d\n",a,b,c,d,(d+(c-b))); else printf("%d %d %d %d %d\n",a,b,c,d,d*(d/c)); } } }

121324楊翔宇(2009-03-05 16:48:26)

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

121324楊翔宇(2009-03-05 16:50:05)

#include<stdio.h> int main(){ int a; scanf("%d",&a); printf("%d",(a-1911)); return 0; }

121324楊翔宇(2009-03-05 16:50:26)

#include<stdio.h> int main(){ int a; while((scanf("%d",&a))!=EOF){ if(a>=15) printf("%d\n",(a-15)); else printf("%d\n",(a-15+24)) ; } }

121324楊翔宇(2009-03-05 16:50:57)

#include<stdio.h> int main(){ int a; scanf("%d",&a); while(a==0){ printf("1"); a--; } while(a==1){ printf("0"); a++; } return 0; }

121324楊翔宇(2009-04-11 18:46:58)

#include<stdio.h> int main(){ int n,i,max; while(scanf(" %d",&n)!=EOF){ if(n==0){ printf("0\n"); continue; } for(i=1;(n/i)!=0;i*=2){ max=i; } while(max>=1){ if(n>=max){ printf("1"); n=n-max; } else{ printf("0"); } max=max/2; } printf("\n"); } return 0; }

121324楊翔宇(2009-04-11 19:45:43)

#include<stdio.h> int main(){ int n,i,mem; while(scanf("%d",&n)!=EOF){ int flag=0; while(n>0){ if(n%10!=0||flag==1){ printf("%d",n%10); flag=1; } n=n/10; } printf("\n"); } return 0; }

121324楊翔宇(2009-04-11 19:55:12)

#include<stdio.h> int main(){ int i,mem; char ch[1000]; while(scanf(" %s",ch)!=EOF){ int flag=0; for(i=0;ch[i]!='\0';i++){ mem=i; } for(i=0;i<=(mem+1)/2;i++){ if(ch[i]!=ch[mem-i]){ flag=1; break; } } if(flag==1) printf("no\n"); else printf("yes\n"); } return 0; }

121324楊翔宇(2009-05-13 23:13:19)

#include<stdio.h> #include<stdlib.h> int main(){ char num[11]; int i,cap; while(scanf("%s",num)!=EOF){ int total=0; for(i=65;i<=72;i++){/*A-H*/ if(num[0]==i){ cap=i-55; } } if(num[0]==73)/*special 'I'*/ cap=34; for(i=74;i<=78;i++){/*J-N*/ if(num[0]==i){ cap=i-56; } } if(num[0]==79)/*special 'O'*/ cap=35; for(i=80;i<=90;i++){/*J-N*/ if(num[0]==i){ cap=i-57; } } if(num[0]==87)/*special 'W-Y'*/ cap=32; if(num[0]==88) cap=30; if(num[0]==89) cap=31; int ten; ten=cap/10; cap=cap%10; total=cap*9+ten; /*printf("\ntotal=%d\n\n",total);*/ for(i=8;i>=1;i--){ /*printf("\n%d*%d\n",i,num[9-i]-48);*/ total+=i*(num[9-i]-48); } total+=(num[9]-48); if(total%10==0) printf("real\n"); else printf("fake\n"); /*printf("\ntotal=%d\n\n",total); printf("%d\n\n",num[0]); printf("%d\n",cap);*/ } system("pause"); return 0; }

121324楊翔宇(2009-05-21 15:01:51)

#include<stdio.h> int main(){ int n; while(scanf("%d",&n)!=EOF){ int num[n]; int mem=0,i; for(i=0;i<=(n-1);i++){ scanf(" %d",&num[i]); } for(i=0;i<=(n-1);i++){ if(num[i]>mem) mem=num[i]; } printf("%d\n",mem); } return 0; }

121324楊翔宇(2009-05-21 15:37:05)

#include<stdio.h> int main(){ int a,b; while(scanf(" %d %d",&a,&b)!=EOF){ int num[a][b]; int i,j; for(i=0;i<=a-1;i++){ for(j=0;j<=b-1;j++){ scanf("%d",&num[i][j]); } } for(i=0;i<=b-1;i++){ for(j=0;j<=a-1;j++){ printf("%d ",num[j][i]); } printf("\n"); } } return 0; }

121324楊翔宇(2009-05-21 15:41:38)

#include<stdio.h> int main(){ int a[3]; while(scanf("%d %d %d",&a[0],&a[1],&a[2])!=EOF){ int mem=0,i; for(i=0;i<=2;i++){ if(mem<a[i]) mem=a[i]; } printf("%d\n",mem); } return 0; }

121324楊翔宇(2009-05-21 15:51:44)

#include<stdio.h> int main(){ int hr,min; while(scanf(" %d %d",&hr,&min)!=EOF){ if(hr>=7&&hr<=16){ if(min<30&&hr==7) printf("Off School\n"); else printf("At School\n"); } else printf("Off School\n"); } return 0; }

121324楊翔宇(2009-05-21 15:58:18)

#include<stdio.h> int main(){ int a; while(scanf("%d",&a)!=EOF){ if((a%4==0&&a%100!=0)||a%400==0){ printf("a leap year\n"); } else printf("a normal year\n"); } return 0; }

121324楊翔宇(2009-11-11 23:15:41)

#include<stdio.h> int main(){ int a; while(scanf("%d",&a)!=EOF) printf("%d\n",(a>50)?a-1:a); return 0; }

121324楊翔宇(2009-05-21 16:06:32)

#include<stdio.h> int main(){ int n,i; while(scanf("%d",&n)!=EOF){ int a[n]; for(i=0;i<=n-1;i++){ scanf(" %d",&a[i]); } for(i=0;i<=(n-1);i++){ if((a[i]%4==0&&a[i]%100!=0)||a[i]%400==0){ printf("a leap year\n"); } else printf("a normal year\n"); } } return 0; }

121324楊翔宇(2009-05-21 16:08:37)

#include<stdio.h> int main(){ int a,i; while(scanf("%d",&a)!=EOF){ if((a%4==0&&a%100!=0)||a%400==0){ printf("a leap year\n"); } else printf("a normal year\n"); } return 0; }

121324楊翔宇(2009-05-21 16:10:30)

#include<stdio.h> int main(){ int a,i; while(scanf("%d",&a),a!=0){ if((a%4==0&&a%100!=0)||a%400==0){ printf("a leap year\n"); } else printf("a normal year\n"); } return 0; }

121324楊翔宇(2009-05-21 16:12:24)

#include<stdio.h> int main(){ int n,i; while(scanf("%d",&n)!=EOF){ int a[n]; for(i=0;i<=n-1;i++){ scanf(" %d",&a[i]); } for(i=0;i<=(n-1);i++){ if((a[i]%4==0&&a[i]%100!=0)||a[i]%400==0){ printf("Case %d: a leap year\n",i+1); } else printf("Case %d: a normal year\n",i+1); } } return 0; }

121324楊翔宇(2009-05-21 16:16:07)

#include<stdio.h> int main(){ int n; while(scanf("%d",&n)!=EOF){ printf("%d\n",(n-1)/3+1); } return 0; }

121324楊翔宇(2009-05-21 16:22:26)

#include<stdio.h> int main(){ double n; while(scanf("%lf",&n)!=EOF){ printf("%.3lf\n",(n-32)/9*5); } return 0; }

121324楊翔宇(2009-05-21 16:49:44)

#include<stdio.h> int main(){ int n; while(scanf("%d",&n)!=EOF){ if(n>0) printf("1\n"); else if(n==0) printf("0\n"); else printf("-1\n"); } return 0; }

121324楊翔宇(2009-05-21 16:57:20)

#include<stdio.h> int main(){ int n; while(scanf("%d",&n)!=EOF){ if(n<=25) printf("%d\n",25-n); else printf("%d\n",25+60-n); } return 0; }

121324楊翔宇(2009-08-07 23:53:26)

終止條件要在n的平方根，
不然會超時！

#include<stdio.h> int main(){ int n,i; while(scanf("%d",&n)!=EOF){ int isMi=0; if (n<0){ isMi=1; n=(-1)*n; } int temp=0; for(i=1;i*i<=n;i++) if(n%(i*i)==0) temp=i; if(n==temp*temp) printf("%d",temp); else if(temp==0||temp==1) printf("_/%d",n); else printf("%d_/%d",temp,n/(temp*temp)); if(isMi==1) printf("i"); printf("\n"); } return 0; }

121324楊翔宇(2009-08-08 21:22:42)

題目有提到要用long long int

#include<stdio.h> int main(){ long long int a,b; while(scanf("%lld %lld\n",&a,&b)!=EOF){ if(a>b) printf("%lld\n",a-b); else printf("%lld\n",b-a); } return 0; }

121324楊翔宇(2009-08-09 14:49:31)

#include<stdio.h> char num[9][9]; void swap(int x1,int y1,int x2,int y2){ char temp; temp=num[x1][y1]; num[x1][y1]=num[x2][y2]; num[x2][y2]=temp; } int main(){ char cha; int i,j,k,l,isend; while(1){ isend=0; for(i=0;i<9;i++){ for(j=0;j<9;){ if(scanf("%c",&cha)==EOF) goto end; if(isdigit(cha)){ num[i][j]=cha; j++; } } } for(i=0;i<9;i++) for(j=0;j<9;j++) for(k=j+1;k<9;k++) if(num[i][j]==num[i][k]) isend=1; for(i=0;i<3;i++){ for(j=0;j<3;j++){ swap(i*3+1,j,i*3,3+j); swap(i*3+2,j,i*3,6+j); swap(i*3+2,3+j,i*3+1,6+j); } } for(i=0;i<9;i++) for(j=0;j<9;j++) for(k=j+1;k<9;k++) if(num[i][j]==num[i][k]) isend=1; if(isend==1) printf("no\n"); else printf("yes\n"); } end: return 0; }

121324楊翔宇(2009-08-11 15:32:03)

#include<stdio.h> #include<math.h> int main(){ float a,b; float floc; int d; int a2,b2; while(1){ if(scanf(" %f %f",&a,&b)==EOF) break; scanf("%f",&floc); scanf("%d",&d); scanf("%d %d",&a2,&b2); srand(time(NULL)); printf("%.0f\n",pow(a,b)); printf("%.3f\n",sqrt(floc)); printf("%d\n",abs(d)); printf("%d\n",(int)(rand()%(b2-a2)+a2)); } return 0; }