杭电OJ水题答案2.doc

Hdu 2000#includevoid main()char a,b,c,t;while(scanf(%c%c%c,&a,&b,&c)0) if(ab) t=a,a=b,b=t;if(ac) t=c,c=a,a=t;if(ca & cb) t=b,b=c,c=t; scanf(%*c,&a);printf(%c %c %cn,a,b,c); Hdu 2001#include #include int main() double x1; double x2; double y1; double y2; while(scanf(%lf%lf%lf%lf,&x1,&y1,&x2,&y2)!=EOF) double num=sqrt(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2); printf(%.2lfn,num); return 0;Hdu 2002#includeint main() double pi=3.1415927; double r; while (scanf(%lf,&r)=1) printf(%.3lfn,(pi*r*r*r)*4)/3);Hdu 2003#include #include int main() double x;while (scanf(%lf,&x)=1)printf(%.2lfn,fabs(x); return 0;Hdu 2004#includevoid main() double x;while(scanf(%lf,&x)=1)if(x100|x0)printf(Score is error!n);else if(0x&x60) printf(En);else if(60=x&x70) printf(Dn);else if(70=x&x80)printf(Cn);else if(80=x&x90)printf(Bn);elseprintf(An);Hdu 2005#includevoid main()int y,m,d,sum=0;while(scanf(%d/%d/%d,&y,&m,&d)!=EOF)if(y%100=0&y%400=0)|(y%100!=0&y%4=0)switch(m=13-m)case 1: sum=sum+30;case 2: sum=sum+31;case 3: sum=sum+30;case 4: sum=sum+31;case 5: sum=sum+31;case 6: sum=sum+30;case 7: sum=sum+31;case 8: sum=sum+30;case 9: sum=sum+31;case 10: sum=sum+29;case 11: sum=sum+31;else switch(m=13-m)case 1: sum=sum+30;case 2: sum=sum+31;case 3: sum=sum+30;case 4: sum=sum+31;case 5: sum=sum+31;case 6: sum=sum+30;case 7: sum=sum+31;case 8: sum=sum+30;case 9: sum=sum+31;case 10: sum=sum+28;case 11: sum=sum+31;printf(%dn,sum+d);sum=0;Hdu 2006#includevoid main()int n,i,a,sum=1;while(scanf(%d,&n)!=EOF) for(i=1;i=n;i+)scanf(%d,&a);if(a%2=1)sum*=a;printf(%dn,sum);sum=1;Hdu 2007#includevoid main()int a,b,x=0,y=0,t;while(scanf(%d%d,&a,&b)!=EOF)if(ba) t=a; a=b; b=t;goto m;else m:while(a=b) if(a%2=0) x=a*a+x;a+; else y=a*a*a+y; a+; printf(%d %dn,x,y); x=0; y=0;Hdu 2008#includevoid main()double a; int i,x=0,y=0,z=0,n;while(scanf(%d,&n)=1)if(n=0)break;elsewhile(n-)scanf(%lf,&a);if(a0) x+;else if(a=0) y+;else z+;printf(%d %d %dn,x,y,z);x=0;y=0;z=0;Hdu 2009#include#includevoid main()double n,m;double sum=0; while (scanf(%lf%lf,&n,&m)=2)for(int i=0;im;i+)sum=sum+n;n=sqrt(n);printf(%.2lfn,sum);sum=0;Hdu 2010#includevoid main()int a,b,i,t,x,y,z,count=0;while(scanf(%d%d,&a,&b)!=EOF)if(ab) t=a;a=b,b=t;if(a999) goto m;for(i=a;i=1) printf(n);else printf(non);x=0;y=0;z=0; count=0;Hdu 2011#include#includeint main()int n;double a,i=1.0;double sum=0,b=0;while(scanf(%d,&n)!=EOF)while(n-)scanf(%lf,&a);for(i=1;i=a;i+)sum=sum+(1/i)*pow(-1.0,i+1);printf(%.2lfn,sum);sum=0;Hdu 2012#include#includeint fun1(int x)return x*x+x+41;int fun2(int x)for(int i=2;ib)t=a;a=b;b=t;/*if(ab) c=a;a=b;b=c;*/for(int i=a;i=b;i+)m=fun1(i);n=fun2(m);sum+=n;if(sum!=0)printf(Sorryn);else printf(OKn);sum=0;Hdu 2013#include#includeint main()int x,n;while(scanf(%d,&n)!=EOF)if(n=0) break;n=pow(2,n-1);printf(%dn,3*n-2);Hdu 2014#includeint main()int n,i;float a100,sum,max,min;while(scanf(%d,&n)!=EOF) sum=0;for(i=0;in;i+)scanf(%f,&ai);max=min=a0;for(i=0;imax)max=ai;if(aimin)min=ai;sum+=ai;printf(%.2fn,(sum-min-max)/(n-2);Hdu 2016#includevoid main()int a99,n,i,min,t=0;while(scanf(%d,&n)!=EOF)if(n=0) break;elsefor(i=0;in;i+) scanf(%d,&ai);min=a0;for(i=0;in;i+) if(ai=min) min=ai;t=i;at=a0;a0=min;printf(%d,a0);for(i=1;in;i+)printf( %d,ai);t=0;printf(n);Hdu 2017#include void main() int count=0,i,n;char a1000;scanf(%d,&n);while(n-)scanf(%s,a);getchar();for(i=0;ai;i+)/为什么？if(ai=0&ai=9)count+;printf(%dn,count);count=0;Hdu 2018#includeint main() int a55=1,2,3; int n,i; while(scanf(%d,&n)=1&n!=0) for(i=3;i55;i+) ai=ai-1+ai-3; printf(%dn,an-1); Hdu 2019#includeint main() int a100; int n,i,k=0,m; while(scanf(%d%d,&n,&m)=2&(n!=0&m!=0) for(i=0;i=an-1) for(i=0;in;i+) printf(%d ,ai); printf(%dn,m); else if(m=a0) printf(%d,m); for(i=0;in;i+) printf( %d,ai); printf(n); else for(i=0;i=m) k=i;break; for(i=0;ik;i+) printf(%d ,ai); printf(%d,m); for(i=k;in;i+) printf( %d,ai); printf(n); Hdu 2020#include#includeint main ()int i,j,t,n,a100;while(scanf(%d,&n)!=EOF&n!=0)for(i=0;in;i+)scanf(%d,&ai);for(i=0;in;i+)for(j=0;jn-i-1;j+)if(abs(aj)abs(aj+1)t=aj;aj=aj+1;aj+1=t;printf(%d,a0);for(i=1;in;i+)printf( %d,ai);printf(n);Hdu 2021#includeint fun(int x)int a=0,b=0,c=0,d=0,e=0,f=0;a=(int)(x/100);b=(int)(x-100*a)/50);c=(int) (x-100*a-50*b)/10);d=(int)(x-100*a-50*b-10*c)/5);e=(int) (x-100*a-50*b-10*c-5*d)/2);f=x-100*a-50*b-10*c-5*d-2*e;return a+b+c+d+e+f;void main()int n,a100,sum;while(scanf(%d,&n)!=EOF)if(n=0) break;sum=0;for(int i=0;in;i+)scanf(%d,&ai);sum+=fun(ai);printf(%dn,sum);Hdu 2025#include#includeint main()char a100,max;int i,l;while(scanf(%s,a)!=EOF)getchar();l=strlen(a);max=a0;for(i=1;i=max)max=ai;for(i=0;il;i+)if(aimax)printf(%c,ai);if(ai=max)printf(%c(max),ai);printf(n);Hdu 2027#include void main()int n,i,a,b,c,d,e,k=0;char f100;scanf(%d,&n);while(n-)a=b=c=d=e=k=0;scanf(%s,f);getchar();for(i=0;fi;i+)if(fi=a|fi=A)a+;if(fi=e|fi=E)b+;if(fi=i|fi=I)c+;if(fi=o|fi=O)d+;if(fi=u|fi=U)e+;printf(a:%dne:%dni:%dno:%dnu:%dn,a,b,c,d,e);if(n) printf(n); /重要！Hdu 2028#includevoid main()int a100;int i,j,min,max,n,count=0;while(scanf(%d,&n)!=EOF)for(i=0;i=max)max=ai;if(ai=min)min=ai;for(j=max;j+)count=0;for(i=0;in;i+)if(j%ai=0)count+;if(count=n) break;printf(%dn,j);Hdu 2029#include #include #include int main() int n,i,m=0,b,j; char a1000; while(scanf(%d,&n)!=EOF) getchar(); for(i=0;in;i+) gets(a); b=strlen(a); for(j=0;jb/2;j+) if(aj!=ab-j-1) m+; if(m=0) printf(yesn); else printf(non); m=0; return 0;Hdu 2030#include#includeint main()int i,j,n,m,count,b;char a5000;scanf(%d,&b);getchar();while(b-)gets(a); /用gets！count=0;j=strlen(a);for(i=0;ij;i+)if(ai0)count+;printf(%dn,count/2);Hdu 2033#includevoid main()int a1,b1,c1,n,i,a2,b2,c2,x,y,z,a3,b3,c3;scanf(%d,&n);for(i=0;in;i+)scanf(%d%d%d%d%d%d,&a1,&b1,&c1,&a2,&b2,&c2);c3=(c1+c2)%60; x=(c1+c2-c3)/60;b3=(b1+b2+x)%60; y=(b1+b2+x-b3)/60;a3=a1+a2+y;printf(%d %d %dn,a3,b3,c3);a1=a2=c1=b1=b2=c2=x=y=z=0;Hdu 2035#include void main() int n,m,t,i; while(scanf(%d%d,&n,&m)!=EOF) if(n=0&m=0)break;t=1;for(i=0;im;i+)t=t*n;t=t%1000;printf(%dn,t); Hdu 2039#includeint main() double a,b,c;int N; scanf(%d,&N);while (scanf(%lf %lf %lf,&a,&b,&c)=3)if(a+bc&a+cb&b+ca&a-bc&a-cb&b-ca)printf(YESn);elseprintf(NOn);return 0;Hdu 2040#includeint fun(int x)int i,sum=0;for(i=1;i0)while(n-)scanf(%d%d,&a,&b);if(fun(a)=b&fun(b)=a)printf(YESn);else printf(NOn);Hdu 2041#includeint main() double f40=1,1; int n,m; for(int i=2;i40;i+)fi=fi-1+fi-2; while(scanf(%d,&n)!=EOF) for(int j=0;jn;j+)scanf(%d,&m);printf(%.0lfn,fm-1); Hdu 2042#includeint main() double f31=3; int n,m; for(int i=1;i31;i+)fi=2*fi-1-2; while(scanf(%d,&n)!=EOF) for(int j=0;jn;j+)scanf(%d,&m);printf(%.0lfn,fm); Hdu 2043#include#include void main() int x=0,y=0,z=0,m=0