C++ʵÑé´ð°¸(È«) ÏÂÔر¾ÎÄ

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ʵÑé1.1

#include \#include \void main() {

int x; cin>>x; int y; y=x*x;

cout<<\}

ʵÑé1.2

#include \void main() {

float x=1,y=2,h=3,s; s=h*(x+y)/2.0;

cout<<\Éϵ×Ϊ1£¬Ïµ×Ϊ2£¬¸ßΪ3µÄÌÝÐÎÃæ»ýΪ£º\}

ʵÑé1.3

#include \void main() {

float x,y,z,s;

cout<<\ÇëÊäÈëÈýÃųɼ¨x,y,z£º\ cin>>x>>y>>z; s=(x+y+z)/3;

cout<<\ÈýÃÅ¿Îƽ¾ù³É¼¨Îª£º\}

ʵÑé2.1

#include \#include \void main() {

float s1,s2,s3; double aver;

cout<<\ÊäÈëÈý¸öÊý¾Ý£º\ cin>>s1>>s2>>s3; aver=(s1+s2+s3)/3; aver=aver*100+0.5; aver=(int)aver; aver=aver/100;

cout<<\ƽ¾ùÖµ=\}

ʵÑé2.2

#include \#include \void main() {

double x,y,z;

cout<<\ÇëÊäÈëÖ±½ÇÈý½ÇÐεÄÁ½Ö±½Ç±ß³¤£º\ cin>>x>>y;

z=sqrt(x*x+y*y);

cout<<\¸ÃÖ±½ÇÈý½ÇÐεÄб±ß³¤Îª£º\}

ʵÑé2.3

#include \void main() {

double x,y,r,t;

cout<<\ÇëÊäÈëx y\cin>>x>>y; r=x*x+y*y;

if (r<=16 && r>=4) t=12*3.1415926; else t=0;

cout<

ʵÑé2.4

#include \void main() {

double a,b,c,t,ave;

cout<<\ÇëÊäÈëÈý¸öÊý\cin>>a>>b>>c; if (a

ave=(a+b+c)/3;

cout<<\Èý¸öÊýµÄƽ¾ùֵΪ\£¬ÆäÖÐ×îСµÄÊýΪ£º\}