NOJ100题 解答.doc

#include<>int main(){  int a,b,sum;  scanf("%d%d",&a,&b);  sum=a+b;  printf("%d\n",sum);  return 0;}#include<>#define PI  main(){  double r,h,l,s,sq,vq,vz;  scanf("%lf%lf",&r,&h);  l=2*PI*r;  s=PI*r*r;  sq=4*PI*r*r;  vq=PI*r*r*r*4/3;  vz=PI*r*r*h;  printf("%.2lf\n%.2lf\n%.2lf\n%.2lf\n%.2lf\n",l,s,sq,vq,vz);  return 0;}#include<>int main(){  double ma,eng,c,sum,ave;  scanf("%lf%lf%lf",&ma,&eng,&c);  sum=ma+eng+c;  ave=sum/3;  printf("%lf\n%lf\n",sum,ave);  return 0;}#include<>int main(){  int a,b,c,m;  scanf("%d%d%d",&a,&b,&c);  if (a>b) m=a;  else m=b;  if (m<c) m=c;  printf("%d",m);  return 0;}#include<>int main(){  int n;  scanf("%d",&n);  if ((1000<n<10000)&&(n/1000==n%10)&&(n/100%10==n/10%10)) printf("yes\n");  else if((100<n<=1000)&&(n/100==n%10)) printf("yes\n");  else if((10<n<=100)&&(n/10==n%10)) printf("yes\n");  else if(0<n<=10) printf("yes\n");  else printf("no\n");  return 0;}