西工大c语言实验100题答案Word文档格式.docx
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西工大c语言实验100题答案Word文档格式.docx
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x2=0.5*(x1+i/x1);
while(fabs(x1-x2)>
=1e-5)
{x1=x2;
x2=0.5*(x1+i/x1);
printf("
x=%.5lf\n"
x2);
}CH0613
#include<
math.h>
#definef(x)(2*(x)*(x)*(x)-4*(x)*(x)+3*(x)-6)
doublea,b,x;
%lf%lf"
b);
for(x=(a+b)/2;
fabs(a-b)>
=1e-5;
x=(a+b)/2)
if(f(a)*f(x)<
=0)b=x;
elsea=x;
x=%.2lf\n"
a);
return0;
}CH0615
chara,b='
x'
c='
;
for(a='
a<
='
z'
a++)
for(b='
b<
b++)
if(a!
&
&
b!
=a)
for(c='
c<
c++)
if(c!
c!
=b&
a!
=c)printf("
a--%cb--%cc--%c\n"
a,b,c);
}T0501
doublea,b,c,t;
%lf%lf%lf"
b,&
c);
if(a>
c-b&
b>
a-c&
c>
b-a)
{
t=(a+b+c)/2.0;
t=t*(t-a)*(t-b)*(t-c);
t=sqrt(t);
s=%lf\n"
t);
}
elseprintf("
no\n"
T0502
inta,b;
floatc;
c=a+0.01*b;
if(c>
=3.21&
c<
=4.20)printf("
%d月%d日为白羊座\n"
a,b);
=4.21&
=5.20)printf("
%d月%d日为金牛座\n"
=5.21&
=6.20)printf("
%d月%d日为双子座\n"
=6.21&
=7.22)printf("
%d月%d日为巨蟹座\n"
=7.23&
=8.22)printf("
%d月%d日为狮子座\n"
=8.23&
=9.22)printf("
%d月%d日为处女座\n"
=9.23&
=10.22)printf("
%d月%d日为天秤座\n"
=10.23&
=11.22)printf("
%d月%d日为天蝎座\n"
=11.23&
=12.22)printf("
%d月%d日为人马座\n"
=12.23||c<
=1.20)printf("
%d月%d日为魔蝎座\n"
=1.21&
=2.20)printf("
%d月%d日为宝瓶座\n"
=2.21&
=3.20)printf("
%d月%d日为双鱼座\n"
T0505
inta,b,c;
%d:
%d"
c=b*6-30*a-0.5*b;
if(c<
0)c=-c;
if(c>
180)c=360-c;
c=%d\n"
c);
SXD02
inti;
for(i=100;
=200;
if(i%4==2&
i%7==3&
i%9==5)printf("
%d\n"
SXD03
{intn,m,t,w,r,k=1;
n,&
m);
if(n>
m)t=m,m=n,n=t;
for(t=n;
t<
=m;
t++)
{for(w=2;
=t/2;
{r=t%w;
if(r==0)break;
if(w>
t/2&
t!
=1)if(k==1)printf("
t),k++;
%d"
SXD04
doubles=0;
inta=1,b=2,t,i;
for(i=0;
20;
{s=s+b*1.0/a;
a=b+a;
t=a;
a=b;
b=t;
%.6lf\n"
SXD06
{inti,j,k,n,m,q,w,e,r,t,o,p;
floats=2000,z=0;
=20;
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;
o<
o++)s=s*0.0064*12+s;
for(o=0;
j;
o++)s=s*0.0066*12*2+s;
k;
o++)s=s*0.0069*12*3+s;
for(o=0;
n;
o++)s=s*0.0075*12*5+s;
m;
o++)s=s*0.0084*12*8+s;
if(z<
s)z=s,q=i,w=j,e=k,r=n,t=m;
}
8年=%d5年=%d3年=%d2年=%d1年=%d\n最大收益=%.2f\n"
t,r,e,w,q,z);
第三次
T0603
doublea;
intb=0;
a);
a=fabs(a);
while(a>
=1)
{a=a/10;
b=b+1;
b);
}T0607
inta=1,f=1;
doublep=0;
while(fabs(1.0/a)>
=1e-6)
{p=p+1.0/a*f;
a=a+2;
f=-f;
pi=%.6lf\n"
4*p);
inti,j=1;
doublet,a=0;
i=-1;
for(;
)
{i=i+2;
t=1.0/i*j;
j*=-1;
a=t+a;
if(fabs(t)<
1e-6)
{break;
4*(a-t));
T0608
intj,t,i,a,n;
doubles=0;
j=-1;
i=1;
t=1;
for(a=0;
{t=t*2;
j*=-1;
i*=-1;
s=s+j*t/((t+i)*(2*t+j)+0.0);
s=%.6lf\n"
T0611
intcnt,s,i,j,t,a;
cnt=s=0;
a=-1;
for(i=800;
i>
=500;
i--)
{t=0;
for(j=2;
{if(i%j==0)
t++;
if(t==0)
{cnt++;
a=a*(-1);
s=s+a*i;
cnt=%d,s=%d\n"
cnt,s);
}T0615
inti,j,s,n;
longt=0;
t=n*n*n;
s=0;
i=n*(n-1)/2;
for(j=0;
{s=s+2*i+1+j*2;
if(t==s)
{printf("
%d*%d*%d=%ld=%d"
n,n,n,t,2*i+1);
n-1;
2*i+3+2*j);
}printf("
yes\n"
}T0617
inti,j,t,m,a;
t=1;
%d%d"
i,&
j);
for(m=0;
{t=t*i;
if(t>
=1000)
{a=t/1000;
t=t-1000*a;
T0619
longinta,b,c;
%ld%ld"
%ld/%ld="
while
(1)
if(b%a)
c=b/a+1;
else{c=b/a;
a=1;
if(a==1)
1/%ld\n"
break;
else
1/%ld+"
a=a*c-b;
b=b*c;
if(a==3)
{printf("
1/%ld+1/%ld\n"
b/2,b);
break;
}T0621
intA[20]={0},i,s,m,j;
for(j=2;
5;
{A[0]=A[1]=1;
s=2;
m=(int)pow(10,j);
{A[i]=A[i-2]+2*A[i-1];
s=A[i]+s;
if((s-A[i])<
m&
s>
=m)break;
n=%d\n"
}SXE02
{chars[50],t;
inti=0,k;
gets(s);
while(s[i]!
\0'
)i++;
i--;
for(k=0;
k++,i--)
{t=s[k];
s[k]=s[i];
s[i]=t;
%s\n"
SXE03
{inta[4][4],i,j,s=0;
4;
for(j=0;
scanf("
a[i][j]);
s+=a[i][i];
s=1;
s*=a[i][3-i];
s=a[0][0];
if(s<
a[i][j])s=a[i][j];
}SXE04
{inti=0,j=0;
chars1[40],s2[20];
gets(s1);
gets(s2);
while(s1[i]!
while(s2[j]!
)s1[i++]=s2[j++];
s1[i]='
puts(s1);
}SXE05
string.h>
voidf(charp[][20],intN)
{chart[20];
inti,j;
N-1;
for(j=i+1;
N;
if(strcmp(p[i],p[j])>
0)
{strcpy(t,p[i]);
strcpy(p[i],p[j]);
strcpy(p[j],t);
}}
{inti;
charp[4][20];
%s"
p[i]);
f(p,4);
%s"
第四次
CH0701
voidmain()
inti,n,k,m;
for(n=2;
100;
{k=sqrt(n);
for(m=1,i=2;
=k;
if(n%i==0){m=0;
if(m)printf("
%d"
n);
}CH0707
staticinta[16][16];
inti,j,m,p=1,n;
while(p==1)
{scanf("
if(n>
0&
16&
n%2==1)
p=0;
j=n/2+1;
a[1][j]=1;
i=n+1;
for(m=2;
=n*n;
{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(a[i][j]!
=0){i=i+2;
a[i][j]=m;
{for(j=1;
%2d"
a[i][j]);
}CH0709
intsearch(inta[15],intm)
intx1=0,x2=14,mid;
while(x1<
=x2)
mid=(x1+x2);
if(m<
a[mid])x2=mid-1;
elseif(m>
elsereturnmid;
return-1;
inta[15]={1,4,9,13,21,34,55,89,144,233,377,570,671,703,812};
intm,b;
b=search(a,m);
if(b>
=0)printf("
b+1);
nofound\n"
}CH0714
chars1[40],s2[40];
40;
if(s1[i]==s2[i])continue;
else{printf("
s1[i]-s2[i]);
if(i>
=40)printf("
0\n"
}T0701
inta[5][5],i,j;
if(i<
j)a[i][j]=0;
elsea[i][j]=i+1-j;
for(i=0;
%3d"
if(j==4)printf("
}
}T0703
inta[10][10],m,n,i,j,s=0;
m,&
=m-1;
=n-1;
scanf("
s=s+a[0][i]+a[m-1][i];
=m-2;
s=s+a[i][0]+a[i][n-1];
}T0704
chars[3][80];
inti,j,cap=0,ord=0,zh=0,num=0,nu=0,ot=0;
gets(s[0]);
gets(s[1]);
gets(s[2]);
j=0;
while(s[i][j]!
{
if(s[i][j]>
A'
s[i][j]<
Z'
cap++;
elseif(s[i][j]>
a'
ord++;
0'
9'
num++;
elseif(s[i][j]=='
'
nu++;
elseif(s[i][j]<
0||s[i][j]>
128)
zh++;
elseot++;
j++;
中文=%d,大写=%d,小写=%d,数字=%d,空格=%d,其它=%d\n"
zh/2,cap,ord,num,nu,ot);
}T0706
chara[99],b[30][30];
inti=0,j=0,k=0,m=0;
gets(a);
while(a[i]!
if(a[i]!
a[i]!
.'
'
b[j][k]=a[i];
k++;
else
b[j][k]='
k=0;
i++;
b[j][k]='
for(i=j;
=0;
if(b[i][0]!
while(b[i][k]
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