《c++程序設计》谭浩强课后习题答案.doc

第一章 1.5题 #include iostream using namespace std; int main() { coutThisis; coutaC++; coutprogram.; return 0; 1.6题 #include iostream using namespace std; int main() { int a,b,c; a=10; b=23; c=a+b; couta+b=; coutc; coutendl; return 0; } 1.7七题 #include iostream using namespace std; int main() { int a,b,c; int f(int x,int y,int z); cinabc; c=f(a,b,c); coutcendl; return 0; } int f(int x,int y,int z) { int m; if (xy) m=x; else m=y; if (zm) m=z; return(m); } 1.8题 #include iostream using namespace std; int main() { int a,b,c; cinab; c=a+b; couta+b=a+bendl; return 0; } 1.9题 #include iostream using namespace std; int main() { int a,b,c; int add(int x,int y); cinab; c=add(a,b); couta+b=cendl; return 0; } int add(int x,int y) {int z; z=x+y; return(z); } 2.3题 #include iostream using namespace std; int main() {char c1=a,c2=b,c3=c,c4=\101,c5=\116; coutc1c2c3\n; cout\t\bc4\tc5\n; return 0; } 2.4题 #include iostream using namespace std; int main() {char c1=C,c2=+,c3=+; coutI say: \c1c2c3\; cout\t\tHe says: \C++ is very interesting!\ \n; return 0; } 2.7题 #include iostream using namespace std; int main() {int i,j,m,n; i=8; j=10; m=++i+j++; n=(++i)+(++j)+m; couti\tj\tm\tnendl; return 0; } 2.8题 #include iostream using namespace std; int main() {char c1=C, c2=h, c3=i, c4=n, c5=a; c1+=4; c2+=4; c3+=4; c4+=4; c5+=4; coutpassword is:c1c2c3c4c5endl; return 0; } 3.2题 #include iostream #include iomanip using namespace std; int main ( ) {float h,r,l,s,sq,vq,vz; const float pi=3.1415926; coutplease enter r,h:; cinrh; l=2*pi*r; s=r*r*pi; sq=4*pi*r*r; vq=3.0/4.0*pi*r*r*r; vz=pi*r*r*h; coutsetiosflags(ios::fixed)setiosflags(ios::right) setprecision(2); coutl= setw(10)lendl; couts= setw(10)sendl; coutsq=setw(10)sqendl; coutvq=setw(10)vqendl; coutvz=setw(10)vzendl; return 0; } 3.3题 #include iostream using namespace std; int main () {float c,f; cout请输入一个华氏温度:; cinf; c=(5.0/9.0)*(f-32); //注意