西工大c语言实验100题答案.doc

第二次CH0603int main() int a,n,i,j,s=0;scanf(%d%d,&a,&n); j=a; for(i=1;i=n;i+) s=s+a; a=j+10*a; printf(a+aa+aaa+.=%dn,s); return 0;CH0607#include #include int main()int i,r,w,s; for(i=2;i=1000;i+)s=i; for(w=1;w=i/2;w+) if(i%w=0) s=s-w; if(s=0) printf(%d=1,i); for(r=2;ri;r+) if(i%r=0) printf(+%d,r); printf(n); return 0;CH0611#include #include int main() double i,x1,x2; scanf(%lf,&i); x1=i; x2=0.5*(x1+i/x1); while(fabs(x1-x2)=1e-5) x1=x2; x2= 0.5*(x1+i/x1);printf(x=%.5lfn,x2); return 0;CH0613#include #include #include#define f(x) (2*(x)*(x)*(x)-4*(x)*(x)+3*(x)-6)int main() double a,b,x; scanf(%lf%lf,&a,&b);for(x=(a+b)/2;fabs(a-b)=1e-5;x=(a+b)/2) if(f(a)*f(x)=0) b=x; else a=x;printf(x=%.2lfn,a);return 0;CH0615#include #include int main()char a,b=x,c=x; for(a=x;a=z;a+) for(b=x;b=z;b+)if(a!=x & b!=a) for(c=x;c=z;c+) if(c!=z & c!=x & c!=b & a!=c) printf(a-%c b-%c c-%cn,a,b,c);return 0;T0501#include#includeint main()double a,b,c,t;scanf(%lf%lf%lf,&a,&b,&c); if(ac-b & ba-c & cb-a) t=(a+b+c)/2.0; t=t*(t-a)*(t-b)*(t-c); t=sqrt(t); printf(s=%lfn,t); else printf(non);return 0;T0502#includeint main()int a,b;float c;scanf(%d%d,&a,&b);c=a+0.01*b;if(c=3.21 & c=4.21 & c=5.21 & c=6.21 & c=7.23 & c=8.23 & c=9.23 & c=10.23 & c=11.23 & c=12.23 | c=1.21 & c=2.21 & c=3.20) printf(%d月%d日为双鱼座n,a,b);return 0;T0505#includeint main()int a,b,c;scanf(%d:%d,&a,&b); c=b*6-30*a-0.5*b; if(c180) c=360-c; printf(c=%dn,c); return 0;SXD02#includeint main() int i; for(i=100;i=200;i+) if(i%4=2 & i%7=3 & i%9=5) printf(%dn,i);return 0;SXD03#includeint main() int n,m,t,w,r,k=1;scanf(%d%d,&n,&m);if(nm) t=m,m=n,n=t; for(t=n;t=m;t+) for(w=2;wt/2 & t!=1) if(k=1) printf(%d,t),k+; else printf( %d,t),k+; printf(n); return 0;SXD04#includeint main() double s=0; int a=1,b=2,t,i; for(i=0;i20;i+) s=s+b*1.0/a; a=b+a; t=a; a=b; b=t;printf(%.6lfn,s);return 0;SXD06#include#includeint main() int i,j,k,n,m,q,w,e,r,t,o,p; float s=2000,z=0; for(i=0;i=20;i+)for(j=0;j=10;j+)for(k=0;k=6;k+)for(n=0;n=4;n+)for(m=0;m=2;m+) if(i+j*2+k*3+n*5+m*8=20) s=2000; for(o=0;oi;o+) s=s*0.0064*12+s; for(o=0;oj;o+) s=s*0.0066*12*2+s; for(o=0;ok;o+) s=s*0.0069*12*3+s; for(o=0;on;o+) s=s*0.0075*12*5+s; for(o=0;om;o+) s=s*0.0084*12*8+s; if(zs) z=s,q=i,w=j,e=k,r=n,t=m; printf(8年=%d 5年=%d 3年=%d 2年=%d 1年=%dn最大收益=%.2fn,t,r,e,w,q,z); return 0;第三次T0603#include #include #include int main() double a;int b=0; scanf(%lf,&a);a=fabs(a);while(a=1)a=a/10;b=b+1;printf(%dn,b); return 0;T0607#include#includeint main()int a=1,f=1;double p=0; while(fabs(1.0/a)=1e-6) p=p+1.0/a*f; a=a+2; f=-f; printf(pi=%.6lfn,4*p); return 0;#include #include #include int main()int i,j=1;double t,a=0;i=-1;for (;) i=i+2;t=1.0/i*j;j*=-1;a=t+a;if (fabs(t)1e-6)break;printf(pi=%.6lfn,4*(a-t); return 0;T0608int main()int j,t,i,a,n;double s=0;scanf(%d,&n);j=-1;i=1;t=1;for (a=0;an;a+)t=t*2;j*=-1;i*=-1;s=s+j*t/(t+i)*(2*t+j)+0.0);printf(s=%.6lfn,s); return 0;T0611#include #include #includeint main()int cnt,s,i,j,t,a;cnt=s=0;a=-1;for (i=800;i=500;i-)t=0;for (j=2;ji;j+)if (i%j=0)t+;if(t=0)cnt+;a=a*(-1);s=s+a*i;printf(cnt=%d,s=%dn,cnt,s); return 0;T0615#include #include #includeint main()int i,j,s,n;long t=0;scanf(%d,&n);t=n*n*n;s=0;i=n*(n-1)/2;for (j=0;jn;j+)s=s+2*i+1+j*2;if (t=s)printf(%d*%d*%d=%ld=%d,n,n,n,t,2*i+1);for (j=0;jn-1;j+)printf(+%d,2*i+3+2*j);printf(n);printf(yesn); return 0;T0617#include #include int main()int i,j,t,m,a;t=1;scanf(%d %d,&i,&j);for (m=0;m=1000)a=t/1000;t=t-1000*a;printf(%dn,t); return 0;T0619#include #include int main()long int a,b,c;scanf(%ld%ld,&a,&b);printf(%ld/%ld=,a,b);while(1)if(b%a)c=b/a+1;else c=b/a; a=1;if(a=1)printf(1/%ldn,c);break;elseprintf(1/%ld+,c);a=a*c-b;b=b*c;if(a=3) printf(1/%ld+1/%ldn,b/2,b); break; return 0;T0621#include #include #includeint main() int A20=0,i,s,m,j; for(j=2;j5;j+) A0=A1=1;s=2; m=(int)pow(10,j); for(i=2;i=20;i+) Ai=Ai-2+2*Ai-1; s=Ai+s; if(s-Ai)=m) break; printf(n=%dn,i); return 0;SXE02#includeint main()char s50,t; int i=0,k; gets(s); while(si!=0)i+; i-; for(k=0;ki;k+,i-) t=sk;sk=si;si=t; printf(%sn,s); return 0;SXE03#includeint main()int a44,i,j,s=0; for(i=0;i4;i+) for(j=0;j4;j+) scanf(%d,&aij); for(i=0;i4;i+) s+=aii; printf(%dn,s); s=1; for(i=0;i4;i+) s*=ai3-i; printf(%dn,s); s=a00; for(i=0;i4;i+) for(j=0;j4;j+) if(saij)s=aij;printf(%dn,s);return 0;SXE04#includeint main()int i=0,j=0; char s140,s220; gets(s1);gets(s2); while(s1i!=0)i+; while(s2j!=0)s1i+=s2j+; s1i=0; puts(s1); return 0;SXE05#include#includevoid f(char p20,int N)char t20;int i,j; for(i=0;iN-1;i+) for(j=i+1;j0) strcpy(t,pi); strcpy(pi,pj); strcpy(pj,t); int main()int i; char p420; for(i=0;i4;i+) scanf(%s,pi); f(p,4); for(i=0;i4;i+) printf(%s ,pi); printf(n); return 0;第四次CH0701#include#includevoid main()int i,n,k,m;for(n=2;n100;n+)k=sqrt(n);for(m=1,i=2;i=k;i+)if(n%i=0)m=0;break;if(m)printf(%d ,n);printf(n);CH0707#includevoid main() static int a1616;int i,j,m,p=1,n;while(p=1)scanf(%d,&n); if(n0&n16&n%2=1) p=0;j=n/2+1;a1j=1;i=n+1;for(m=2;m=n*n;m+) i=i-1;j=j+1; if(i=0&j=n+1) i=i+2;j=j-1; else if(i=0) i=n; if(j=n+1) j=1; if(aij!=0) i=i+2;j=j-1; aij=m;for(i=1;i=n;i+)for(j=1;j=n;j+) printf(%2d ,aij);printf(n);CH0709#includeint search(int a15,int m)int x1=0,x2=14,mid;while(x1=x2)mid=(x1+x2);if(mamid) x2=mid-1;else return mid;return -1;void main()int a15=1,4,9,13,21,34,55,89,144,233,377,570,671,703,812; int m,b; scanf(%d,&m); b=search(a,m); if(b=0) printf(%dn,b+1); else printf(no foundn);CH0714#includevoid main()char s140,s240;int i;gets(s1);gets(s2);for(i=0;i=40)printf(0n);T0701#include #include int main() int a55,i,j; for(i=0;i5;i+) for(j=0;j5;j+) if(ij) aij=0; else aij=i+1-j; for(i=0;i5;i+) for(j=0;j5;j+) printf(%3d,aij); if(j=4)printf(n); return 0;T0703#include #include int main()int a1010,m,n,i,j,s=0;scanf(%d %d,&m,&n);for(i=0;i=m-1;i+)for(j=0;j=n-1;j+)scanf(%d,&aij);for(i=0;i=n-1;i+)s=s+a0i+am-1i;for(i=1;i=m-2;i+)s=s+ai0+ain-1;printf(%dn,s); return 0;T0704#include #include int main()char s380;int i,j,cap=0,ord=0,zh=0,num=0,nu=0,ot=0;gets(s0);gets(s1);gets(s2);for(i=0;i=A & sij=a & sij=0 & sij=9)num+;else if(sij= )nu+;else if(sij128)zh+;else ot+;j+;printf(中文=%d,大写=%d,小写=%d,数字=%d,空格=%d,其它=%dn,zh/2,cap,ord,num,nu,ot); return 0;T0706#include #include int main()char a99,b3030;int i=0,j=0,k=0,m=0;gets(a);while(ai!=0)if(ai!= & ai!=. & ai!=,)bjk=ai;k+;elsebjk=0;j+;k=0;i+;bjk=0;for(i=j;i=0;i-)if(bi0!=0)k=0;while(bik!=0)am=bik;k+;m+;am= ;m+;am=0;puts(a); return 0;T0709#includeint main()int a200,b200,c200=0,i,j,k,n,m=0;scanf(%d,&i);for(j=0;ji;j+)scanf(%d,&aj);scanf(%d,&j);for(k=0;kj;k+)scanf(%d,&bk); for(k=0;ki;k+) for(n=0;ncj) k=ci,ci=cj,cj=k;for(i=0;ci!=0;i+) if(i & ci!=ci-1)printf( %d,ci); else if(i=0) printf(%d,ci);printf(n);return 0;T0716#include #include #includeint main()char s99,t;int i,j,n;gets(s);n=strlen(s);if(n%2=0)for(i=0;i=(n/2-1);i+)for(j=i+1;j=(n/2-1);j+)if(sisj)t=si;si=sj;sj=t;for(i=n/2;i=n-1;i+)for(j=i+1;jsj)t=si;si=sj;sj=t;for(i=0,j=n/2;j=n-1;i+,j+)t=si;si=sj;sj=t;elsefor(i=0;i=(n/2-1);i+)for(j=i+1;j=(n/2-1);j+)if(sisj)t=si;si=sj;sj=t;for(i=(n/2+1);i=n-1;i+)for(j=i+1;jsj)t=si;si=sj;sj=t;for(i=0,j=(n/2+1);j=n-1;i+,j+)t=si;si=sj;sj=t;puts(s); return 0;T0722#include #include #include #define N 5 void cjcbj(int n,double *a,double *v,double eps)int i,j,p,q,u,w,t,s;double ff,fm,cn,sn,omega,x,y,d;for (i=0; i=n-1; i+) vi*n+i=1.0;for (j=0; j=n-1; j+)if (i!=j) vi*n+j=0.0;ff=0.0;for (i=1; i=n-1; i+)for (j=0; j=i-1; j+) d=ai*n+j; ff=ff+d*d; ff=sqrt(2.0*ff);loop0:ff=ff/(1.0*n);loop1:for (i=1; i=n-1; i+)for (j=0; jff)p=i; q=j;goto loop;if (ffeps) return;goto loop0;loop:u=p*n+q; w=p*n+p; t=q*n+p; s=q*n+q;x=-au; y=(as-aw)/2.0;omega=x/sqrt(x*x+y*y);if (y0.0) omega=-omega;sn=1.0+sqrt(1.0-omega*omega);sn=omega/sqrt(2.0*sn);cn=sqrt(1.0-sn*sn);fm=aw;aw=fm*cn*cn+as*sn*sn+au*omega;as=fm*sn*sn+as*cn*cn-au*omega;au=0.0; at=0.0;for (j=0; j=n-1; j+)if (j!=p)&(j!=q) u=p*n+j; w=q*n+j;fm=au;au=fm*cn+aw*sn;aw=-fm*sn+aw*cn;for (i=0; i=n-1; i+)if (i!=p)&(i!=q) u=i*n+p; w=i*n+q;fm=au;au=fm*cn+aw*sn;aw=-fm*sn+aw*cn;for (i=0; i=n-1; i+) u=i*n+p; w=i*n+q;fm=vu;vu=fm*cn+vw*sn;vw=-fm*sn+vw*cn;goto loop1;int main()int i,j;double eps;double vNN;double aNN= 10.0,1.0,2.0,3.0,4.0, 1.0,9.0,-1.0,2.0,-3.0, 2.0,-1.0,7.0,3.0,-5.0, 3.0,2.0,3.0,12.0,-1.0, 4.0,-3.0,-5.0,-1.0,15.0;eps=0.000001;for (i=0; iN; i+)for (j=0; jN; j+)scanf(%lf,&aij);cjcbj(5,&a00,&v00,eps);for (i=0; iN; i+)printf(%f ,aii);printf(n); return 0;SXF01#includevoid fun(char a,char w)int i,j;for(i=0;ai!=0;i+)if(ai=w)for(j=i;aj!=0;j+)aj=aj+1;void main()char a50,w;gets(a);scanf(%c,&w);fun(a,w);puts(a);SXF02#include#includevoid sortstr(char a20,int n)char t20;int i,j;for(i=0;in-1;i+)for(j=i+1;j0)strcpy(t,ai); strcpy(ai,aj); strcpy(aj,t);void main()char a1020;int i,n;scanf(%d,&n);for(i=0;in;i+)scanf(%s,ai);sortstr(a,n);for(i=0;in;i+)printf(%s ,ai);puts();SXF06#include#includeint IsP(int n)int i=2;while(in-1)if(n%i+=0)return 0;return 1;void main()int i;for(i=301;i400;i+)if(IsP(i)printf(%d ,i);printf(n);SXF08#includeint search(int a15,int m)int x1=0,x2=14,mid;while(x1=x2)mid=(x1+x2);if(mamid) x2=mid-1;else return mid;return -1;void main()int a15=13,24,25,44,57,63,66,78,90,100; int m,b; scanf(%d,&m); b=search(a,m); if(b=0) printf(%dn,b+1); else printf(未找到n);SXF09#includevoid sort(int A,int n)int i,j,t;for(j=0;jn;j+)for(i=0;in-1-j;i+)if(AiAi+1)t=Ai;Ai=Ai+1;Ai+1=t;void main()int a10,i;for(i=0;i10;i+)scanf(%d,&ai);sort(a,10);for(i=0;i10;i+)printf(%d ,ai);printf(n);SXF10#includevoid sort(int A,int n)int i,j,t;for(i=0;in-1;i+)for(j=i+1;jAj)t=Ai;Ai=Aj;Aj=t;void main()int a10,i;for(i=0;i10;i+)scanf(%d,&ai);sort(a,10);for(i=0;i10;i+)printf(%d ,ai);printf(n);SXF11#include #include #include int wei(int n)int i;double sum=0;for(i=1;i=n;i+) sum+=log10(double)i);return (int)(sum+1)/4+1);int main()int i,j,n,jinwei,weishu=1,temp;unsigned int *x;scanf(%d,&n);x=(unsigned int*) malloc(wei(n)*sizeof(int);x0=1;for(i=2;i=n;i+)jinwei=0;for(j=1;j=1)xj-1=temp%10000;jinwei=temp/10000;while(jinwei)weishu+;xweishu-1=jinwei%10000;jinwei/=10000;printf(%d,xweishu-1);for(j=weishu-2;j=0;j-) printf(%04d,xj);free(x);return 0;#include #include int s53;float a15,a23;int main()void aver1(void);void aver2(void);float var(void);int i,j;for(i=0;i=4;i+)for(j=0;j=2;j+)scanf(%d,&sij);aver1();aver2();for(i=0;i=4;i+)printf(%.3f ,a1i);printf(n);for(i=0;i=2;i+)printf(%.3f ,a2i);printf(n);printf(d=%.3fn,var();return 0;void aver1(void)int i,j,sum=0;for(i=0;i=4;i+)for(j=0;j=2;j+)sum=sum+sij;a1i=(float)sum/3;sum=0;void aver2(void)int i,j,sum=0;for(i=0;i=2;i+)for(j=0;j=4;j+)sum+=sji;a2i=(float)sum/5;sum=0;float var(void)int i;float sum1=0.0,sum2=0.0;for(i=0;i=4;i+)sum1+=a1i*a1i;sum2+=a1i;return(sum1/5-(sum2/5)*(sum2/5);#include #include char b99;int m=0;int main()void atob(long n);long a,c;scanf(%ld,&a);c=a;while(c/10!=0)m+;c=c/10;atob(a);puts(b);return 0;void atob(long n)int i;if(i=n/10)!=0) atob(i);bm-=n%10+0;#include #include int main()void sort(int a,int n);int a99,n,i;scanf(%d,&n);for(i=0;i=n-1;i+)scanf(%d,&ai);sort(a,n);for(i=0;i=n-1;i+)printf(%d ,ai);printf(n); return 0;void sort(int a,int n)int i,j,t;for(i=0;i=n-1;i+)for(j=i+1;jaj)t=ai;ai=aj;aj=t;#include #include #in