C语言程序总48题参考答案.doc

供大家参考，请勿ctrl c+ctrl v 。1#include void main () float t=3.14,r; while(scanf(%f,&r) r=r*1.0; printf (%.2f,long:%.2f,area:%.2fn,r,2*t*r,t*r*r);2#include void main ()int n,i,s;scanf (%d,&n);for (i=1;i=n;i+)scanf (%d,&s);if (s%2=0)printf (NO!n);else printf (YES!n);3#include void main () int n; while (scanf(%d,&n) printf (%d %dn,(n*10)/3,(n*10)%3);4#include void main () float n,s; while (scanf(%f,&n)&n=0) if (n500&n=1000) s=n*0.9; else s=n*0.8; printf (%.1fn,s);5#include void main () float F,C; while (scanf(%f,&F)&F=0) printf (%.2fn,(5.0/9)*(F-32);6#include #include void main () float x1,x2,y1,y2; while (scanf(%f %f %f %f,&x1,&y1,&x2,&y2) printf (%.2fn,sqrt(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);7#include #include void main () int n,i,c,x,y,z; scanf (%d,&n); for (i=1;i=n;i+) scanf (%d,&c); x=(c%100)%10; y=(c/10)%10; z=c/100; printf (%dn,x*100+y*10+z); 8#include void main () int n,m,i,t,j,s100; scanf(%d,&n); for (i=1;i=n;i+) t=0; scanf(%d,&m); for (j=1;j=m;j+) scanf (%d,&sj); for (j=1;j=m;j+) if (sj%3=0) printf (a%d=%d ,j,sj); t=1; if (t=0) printf (not found!); printf (n); 9#include void main () int a,b,c; while (scanf(%d%d%d,&a,&b,&c) printf (%d %d %.2fn,a+b+c,a*b*c,(a+b+c)/3.0);10#include void main ()int t,s;while (scanf (%d,&s)if (s100)printf (Score is error!n);continue;t=s/10;switch (t)case 10:printf (An);break;case 9:printf (An);break;case 8:printf (Bn);break;case 7:printf (Cn);break;case 6:printf (Dn);break;default:printf (En);11#include void main ()int i,a,b,c,t=0,m,n;/mnwhile (scanf (%d %d,&m,&n)&m=100&n=m&m999)for (i=m;i=n;i+)a=(i%100)%10;/个位b=(i/10)%10;c=i/100;if (i=a*a*a+b*b*b+c*c*c)printf (%d ,i);t=1;if (t=0)printf (non);else printf (n);t=0;12#include void main () int i,j,n,a,t,c,y,sum; while (scanf (%d %d,&a,&n) sum=0; for (i=1;i=n;i+) c=1; for (j=1;j=i;j+) c*=10; t=c/9; y=a*t; sum=sum+y; printf (%dn,sum); 13#include void main () int n,i,sum; while (scanf(%d,&n) sum=1; for (i=1;i=n;i+)sum*=i;printf (%d!=%dn,n,sum); 14#include void main () int n,i,t; float sum; while (scanf(%d,&n) sum=0; for (i=1;i=n;i+)scanf(%d,&t);sum+=t;printf (%.2fn,sum/n*1.0); 15#include void main () int n,i,t,sum; while (scanf(%d,&n) sum=1; for (i=1;i=n;i+) scanf (%d,&t); if (t%2=1) sum*=t; printf (%dn,sum);16#include void main () int x,y,z; while (scanf(%d%d%d,&x,&y,&z) if (x+yx+z&x+yy+z) printf (%dn,x+y); else if (x+zx+y&x+zy+z) printf (%dn,x+z); else printf (%dn,y+z);17#include void main () int n,s100,i; while (scanf(%d,&n) for (i=0;in;i+) scanf(%d,&si); for (i=0;in;i+)if (si%3=2)printf (%dn,si);18#include #include void main ()int i=1;char c;while (scanf (%c,&c)getchar();printf (%d ,c);i+;if (i=6)printf (n);i=1;19#include#includevoid main() char s100; int i,n; gets(s); n=strlen(s); for (i=0;i=A&si=a&si=0&si=9)printf(%cn,si);continue;else printf(errorn); 20#include void main ()int t,s;while (scanf (%d,&s)if (s100)printf (Score is error!n);continue;t=s/10;switch (t)case 10:printf (An);break;case 9:printf (An);break;case 8:printf (Bn);break;case 7:printf (Cn);break;case 6:printf (Dn);break;default:printf (En);21#includevoid main()int x;while (scanf(%d,&x) if (x=10) printf(%dn,(x*3)-11); else printf(%dn,(x*2)-1);22#includevoid main()int x;while (scanf(%d,&x) switch(x) case 1:printf(Mondayn);break; case 2:printf(Tuesdayn);break;case 3:printf(Wednesdayn);break;case 4:printf(Thursdayn);break;case 5:printf(Fridayn);break;case 6:printf(Saturdayn);break;case 7:printf(Sundayn);break; default:printf(Errorn); 23#includevoid main()int n,i;float max,min,s100,sum,t;while (scanf (%d,&n)sum=0;for (i=0;in;i+)scanf (%f,&si);sum+=si;max=min=s0;for (i=0;imax) max=si; if(simin) min=si;t=(sum-max-min)/(n-2);printf (%.2fn,t);24#include#include void main()float a,b,c,t,s,q;while (scanf(%f%f%f,&a,&b,&c)if (a=0&b=0&c=0)break; if (a+bc&a+cb&b+ca) t=(a+b+c)/2; q=t*(t-a)*(t-b)*(t-c); s=sqrt(q); printf(triangle:%fn,s); else printf(fail to form a triangle.n);25#includevoid main()float a,b;while (scanf(%f%f,&a,&b)if (b=0)printf(devisor is zero !n); else printf(%.3fn,a/b);26#includevoid main()int n,m,i,j,sum;while(scanf(%d%d,&m,&n)&1=m&m=n&n=99999999)if(m=0&m=0)break; for(i=m;i=n;i+) if(i=1) continue; sum=0; for(j=1;ji;j+) if(i%j=0) sum+=j; if(sum=i) printf(%d ,i); printf(n);27#includevoid main()int n,s100,i,t,p;while(scanf(%d,&n)if(n=0)break; for (i=0;isi) t=si;p=i; sp=s0; s0=t; for(i=0;in;i+) printf (%d ,si); printf(n);28#includevoid main()int n,i,j,t;while (scanf(%d,&n) for (i=2;i=n;i+) t=0; for(j=2;ji;j+) if(i%j=0) t=1; if(t=0) printf(%d ,i); printf(n);29#include void main () int n,i,j,t,x; scanf(%d,&n); for(t=1;t=n;t+) scanf(%d,&x); for (i=1;i=x;i+) for(j=1;j=i;j+) printf(*); printf(n); 30#include void main ()int a,i,j;char c;while (scanf(%d%c,&a,&c) for (i=1;i=a;i+) for (j=1;j=i;j+) printf (%c,c); printf (n); printf (n);31#include void main ()int i,t,n,c,s100;while (scanf (%d,&n)&n100)for (i=0;in;i+)scanf (%d,&si);t=n/2;for (i=0;it;i+)c=si;si=sn-1-i;sn-1-i=c;for (i=0;in;i+) printf (%d ,si);printf (n);32#include int main ()int a3030=0,j,i,n;while (scanf (%d,&n) a00=1;for (i=1;in;i+)for (j=0;j=i;j+)aij=ai-1j-1+ai-1j;for (i=0;in;i+)for (j=0;j=i;j+)printf (%d ,aij);printf (n);printf (n);return 0;33#include int main () int a100,n,i,s,x1,x2,x3,x4,x5,x6,y1,y2,y3,y4,y5; while (scanf (%d,&n)&n=1) for (i=0;in;i+) scanf (%d,&ai); s=0; for(i=0;in;i+) x1=ai/100;y1=ai%100; x2=y1/50;y2=y1%50; x3=y2/10;y3=y2%10; x4=y3/5;y4=y3%5; x5=y4/2;y5=y4%2; x6=y5/1; s=s+x1+x2+x3+x4+x5+x6; printf (%dn,s); return 0;34#include void main ()int i,t,n,m,a,s100;scanf (%d,&n);for (t=1;t=n;t+)a=0;scanf (%d,&m);for (i=0;im;i+) scanf (%d,&si);for (i=0;im;i+)if(si0) a=1;printf(Case %d:%dn,t,si);break;if (a=0)printf(Case %d:Not found!n,t);35#include void main ()int m,n,i,j,t,s100,c;scanf (%d%d,&m,&n);t=m*n;for (i=0;it;i+)scanf (%d,&si);c=0;for (i=0;im;i+)for (j=0;jn;j+)printf (%d ,sc);c+;printf (n);printf (n);c=0;for (i=0;in;i+)for (j=0;jm;j+)printf (%d ,si+j*n);c+;printf (n);36#include #include void main()int i,j,t;char s10;while (scanf (%s,&s)t=1;j=strlen(s);for (i=0;ij;i+)if(si!=sj-i-1)t=0;if (t=1)printf (%s is a palindrome stringn,s);else if (t=0)printf (%s is not a palindrome stringn,s);37#include int main ()int mcm (int a,int b);int a,b,t; while (scanf (%d %d,&a,&b) t=mcm(a,b); printf (%dn,t-1); return 0; int mcm (int a,int b)int x,y,n;int max (int a,int b);n=max(a,b); while (x!=0|y!=0)x=n%a; y=n%b; n=n+1; return n;int max (int a,int b)int c;if (ab)c=b;else c=a;return c;38#include void main()float f (int n,int a);int n,a;float t;while (scanf (%d,%d,&n,&a)t=f (n,a);printf (%.2fn,t);float f(int n,int a)float y;if (n=0) y=1;else if (n=1)y=a;else if (n1)y=(2*n-1)*a*f(n-1,a)-(n-1)*f(n-2,a)/n;return y;39#include void main()int n;while (scanf (%d,&n)printf (%dn,3*(n-1)+12);40#include void main () int i,j,a,b,c,t,x; for (i=1;i=99;i+) t=0;for (j=2;ji;j+)if (i%j=0) t+;if (t=0)a=i/10;b=i%10;c=a+b*10;x=0;for (j=2;jc;j+)if (c%j=0)x+;if (x=0)printf (%dn,i);41#includevoid main() int n,i,t=0,l,c29; char s2920; scanf (%d,&n); for (i=0;in;i+) scanf (%s,&si); scanf (%d,&ci); for (i=0;it) t=ci; l=i; printf (Name:%sn,sl); printf (Score:%dn,cl);42#include #include void main ()int n,i,j,t,c;char s50;scanf (%d,&n);for (i=1;i=n;i+)c=0;if (i=1)getchar();gets(s);t=strlen (s);for (j=0;j=a&sj=A&sj=Z)c+;printf (%dn,c);43#include void main()int s100,n,t,x,i,j;scanf (%d,&n);for (i=1;i=n;i+)scanf (%d,&x);scanf (%d,&t);for (j=0;jt;j+)scanf (%d,&sj);for (j=0;jt;j+) if (sj!=x)printf(%d ,sj);printf(n);44#include int main ()int f(int s,int c);char c;int s,k;while (scanf (%d%c,&s,&c)k=f(s,c); printf