國立台灣師大附中資訊專研競賽解題分享系統

121312翁立(2009-03-05 19:33:47)

#include<iostream> using namespace std; int main(){ int a; while(cin>>a){ int x[a],b; for(int i=1;i<=a;i++){ cin>>x[i]; } for(int i=1;i<=a;i++){ if(i==1) b=x[1]; else if(x[i]>x[i-1]){ b=x[i]; } else{ b=b; } } cout<<b;; } return 0; }

a001

121312翁立(2009-03-05 16:23:52)

#include <iostream> using namespace std; int main() { string s; while(cin >> s){ cout << "Hello "<< s << endl; } return 0; }

a002

121312翁立(2009-03-05 16:26:00)

#include <iostream.h> using namespace std; int main() { int a,b; while(cin >> a >> b){ cout << a+b << endl; } return 0; }

a003

121312翁立(2009-03-05 16:27:14)

#include <iostream> using namespace std; int main() { int M,D,s; while(cin >> M >> D){ s=(M*2+D)%3 ; if(s==0){ cout << "普通" << endl; } if(s==1){ cout << "吉" << endl; } if(s==2){ cout << "大吉" << endl; } } return 0; }

a004

121312翁立(2009-03-05 16:32:28)

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

a005

121312翁立(2009-03-05 16:32:37)

#include <iostream.h> using namespace std; int main(){ int i; float k,a,b,c,d; while(cin>>k){i=1; while(i<=k){ cin>>a>>b>>c>>d ; if(2*b==a+c&&2*c==b+d&&a!=b){ cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<d+b-a<<endl ; } if(b*b==a*c&&c*c==b*d){ cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<d*d/c<<endl ; } i++; } } return 0; }

a006

121312翁立(2009-03-05 16:33:12)

#include <iostream> #include <math.h> using namespace std; int main() { double a,b,c,d; while(cin >> a >> b >> c){ d=(b*b)-(4*a*c) ; if(d<0){ cout << "No real root" <<endl; } if(d==0){ cout << "Two same roots x=" << -b/(2*a) <<endl; } if(d>0){ cout << "Two different roots x1=" << (-b+sqrt(d))/2*a << " , x2="<< (-b-sqrt(d))/2*a <<endl; } } return 0; }

a007

121312翁立(2009-03-05 16:34:16)

#include <iostream.h> #include <math.h> using namespace std; int main(){ long i,k,n; double j; while(cin>>k){ n=0; j=sqrt((double)k); for (i=2;i<=j;i++){ if (k%i==0){ n=1; break; } } if(n==1)cout<<"非質數"<<"\n"; else cout<<"質數"<<"\n"; } return 0; }

a009

121312翁立(2009-03-05 16:35:18)

#include<iostream> #include<cstring> using namespace std; int main(){ char a; while(cin.get(a)){ if(a=='\n') cout<<endl; else cout<<(char)(a-7); } return 0; }

a012

121312翁立(2009-03-05 16:36:57)

#include<iostream> using namespace std; int main(){ long long int a,b ; while(cin>>a>>b){ if(a-b>=0)cout<<a-b<<endl; if(a-b<0)cout<<b-a<<endl; } system("pause"); return 0; }

a032

121312翁立(2009-03-05 16:38:04)

#include<iostream> using namespace std; int main(){ long long int n,a,i; while(cin>>n){ a=n; for(i=1;i<n;i++){ a=a*(n-i); } if(n==0)cout<<"1"<<endl; else cout<<a<<endl; } system("pause"); return 0; }

a043

121312翁立(2009-03-05 16:39:01)

#include<iostream> using namespace std; int main(){ int a,x,y,z,b; while(cin>>a){ if (a==0)cout<<"1"<<endl; else{ for(int i=2;i<=a+1;i++){ x=i*(i-1)/2; } cout<<x+1<<endl; } } system("pause"); }

d060

121312翁立(2009-03-05 16:49:40)

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

d050

121312翁立(2009-03-05 16:48:54)

#include<iostream> using namespace std; int main(){ float a ; while(cin>>a){ if(a==15)cout<<0<<endl; if(a>15)cout<<a-15<<endl; if(a<15)cout<<a+9<<endl; } system("pause"); return 0; }

d049

121312翁立(2009-03-05 16:48:21)

#include<iostream> using namespace std; int main(){ int a ; while(cin>>a){ cout<<a-1911<<endl; } system("pause"); return 0; }

d063

121312翁立(2009-03-05 16:50:06)

#include <stdio.h> #include <stdlib.h> #include <iostream> using namespace std; int main() { int a; while(cin>>a) { switch(a-0) { case 1: cout << "0" << endl; break; case 0 : cout << "1" << endl; break; } } system("pause"); return 0; }

d064

121312翁立(2009-03-05 16:50:39)

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

d065

121312翁立(2009-03-05 16:51:19)

#include <iostream> using namespace std; int main(){ int a,b,c; while(cin>>a>>b>>c){ if(a>=b&&a>=c){ cout<<a<<endl; } if(b>a&&b>=c){ cout<<b<<endl; } if(c>a&&c>b){ cout<<c<<endl; } } system ("pause"); return 0; }

a044

121312翁立(2009-03-05 16:52:40)

#include <iostream> #include <string> #include <math.h> using namespace std; int main () { int n; while (cin>>n) cout<<1+((n*n*n)+(n*5))/6<<endl; system("pause"); return 0; }

d069

121312翁立(2009-03-05 16:54:16)

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

d070

121312翁立(2009-03-05 16:55:05)

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

d071

121312翁立(2009-03-05 16:56:19)

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

d072

121312翁立(2009-03-05 16:56:56)

d066

121312翁立(2009-03-05 19:43:57)

#include<iostream> using namespace std; int main(){ int a ,b; while(cin>>a>>b){ if(a==7&&b>=30)cout<<"At School"<<endl; else if(a>=8&&a<17)cout<<"At School"<<endl; else cout<<"Off School"<<endl; } system("pause"); return 0; }

d067

121312翁立(2009-03-05 19:45:23)

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

d068

121312翁立(2009-03-05 19:46:25)

#include<iostream> using namespace std; int main(){ int a; while(cin>>a){ if(a>50)cout<<a-1<<endl; else cout<<a<<endl; } system("pause"); return 0; }

d073

121312翁立(2009-03-05 19:47:59)

#include<iostream> using namespace std; int main(){ int a ; while(cin>>a){ if(a%3==0)cout<<a/3<<endl; if(a%3==1)cout<<(a-a%3)/3+1<<endl; if(a%3==2)cout<<(a-a%3)/3+1<<endl; } system("pause"); return 0; }

a024

121312翁立(2009-05-21 16:30:52)

#include<iostream> using namespace std; void change(int &x,int &y){ int n; n=x; x=y; y=n; } int main(){ int a,b; while(cin>>a>>b){ if (b>a){ change(a,b); } while(b>0){ a=a%b; change(a,b); } cout<<a<<endl; } system ("pause"); return 0; }

a034

121312翁立(2009-03-05 23:10:20)

#include <iostream> using namespace std; int good(int x) { if (x/2) good(x/2); cout<<x%2; return 0; } int main() { int n; while (cin>>n) { good(n); cout<<endl; } }

a012

121312翁立(2009-03-05 23:18:59)

#include <iostream> using namespace std; int main() { long long a,b; while (cin>>a>>b) cout<<abs(a-b)<<endl; }

a042

121312翁立(2009-05-21 16:39:38)

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