西工大C语言C++作业答案(7)

T0401.txt

# include void main()

{double math,english,C,sum,aver; scanf(\sum=math+english+C; aver=(math+english+C)/3;

printf(\}

T0402.txt

# include void main() {

int a,b,c,m,k; scanf(\a=m/100; b=m0/10; c=m;

k=a+b*10+c*100; printf(\}

T0403.txt

# include void main() {

int a,b,c,m,n,p,q; scanf(\m=a/10; n=a; p=b/10;

q=b;

c=q*1000+m*100+p*10+n; printf(\

}

T0405.txt

# include void main() {

int a,b,c,d;

scanf(\d=a*3600+b*60+c;

printf(\}

T0408.txt

#include

#include void main()

{double a,b,c,s,pi=3.1415926; b=sin(72.0/180*pi);c=sin(36.0/180*pi); scanf(\s=0.625*a*a*b/c/c; printf(\

T0501.txt

# include # include void main() {

double a,b,c,t,s;

scanf (\if (a+b>c&&a+c>b&&b+c>a) {

t=(a+b+c)/2;

s=sqrt(t*(t-a)*(t-b)*(t-c)); printf (\}

else printf (\}

T0502.txt

# include

void main()

{

int a,b;

scanf(\ if (a==1)

if(b>=21) printf(\月%d日为宝瓶座\\n\ else printf(\月%d日为摩羯座\\n\ if(b>=21) printf(\月%d日为双鱼座\\n\ else printf(\月%d日为宝瓶座\\n\

else if(a==2)

else if(a==3) if(b>=21) printf(\月%d日为白羊座\\n\

else printf(\月%d日为双鱼座\\n\ if(b>=21) printf(\月%d日为金牛座\\n\ else printf(\月%d日为白羊座\\n\ if(b>=21) printf(\月%d日为双子座\\n\ else printf(\月%d日为金牛座\\n\ if(b>=21) printf(\月%d日为巨蟹座\\n\ else printf(\月%d日为双子座\\n\

else if(a==4)

else if(a==5)

else if(a==6)

else if(a==7) if(b>=23) printf(\月%d日为狮子座\\n\

else printf(\月%d日为巨蟹座\\n\ if(b>=23) printf(\月%d日为处女座\\n\ else printf(\月%d日为狮子座\\n\

else if(a==8)

else if(a==9)

if(b>=23) printf(\月%d日为天秤座\\n\ else printf(\月%d日为处女座\\n\ if(b>=23) printf(\月%d日为天蝎座\\n\ else printf(\月%d日为天秤座\\n\

else if(a==10)

else if(a==11) if(b>=23) printf(\月%d日为人马座\\n\ else printf(\月%d日为天蝎座\\n\else if(a==12) }

T0505.txt

#include void main() { } T0603.txt

#include void main() {float a;int i,j; scanf(\if(a<1.0) j=0;

int a,b,c,d,f;

scanf(\d=a*30+b*30/60.0-6*b; if(d<0) f=-d; else f=d; if(f>180)c=360-f; else c=f;

printf(\

if(b>=23) printf(\月%d日为摩羯座\\n\ else printf(\月%d日为人马座\\n\

else{i=(int)a;j=0; while(i!=0) {j++; a=a/10; i=(int)a; }}

printf(\} T0607.txt

#include #include void main()

{double s,PI,i;int t=1; s=0;

for(i=1;fabs(1/i)>1e-6;i=i+2) {s=s+(1/i)*t; t=-t;} PI=4*s;

printf(\}

T0608.txt

#include void main()

{double t1,t2,s=0;int n,j; t1=2.0;t2=1.0; scanf(\

for(j=1;j<=n;j++)

{ s=s+t1*t2/((t1-t2)*(2*t1+t2)); t1=t1*2; t2=-t2;}

printf(\} T0611.txt

#include #include void main() {int cnt,s,i,k,j; cnt=0;s=0;