C语言程序设计实验指导 部分源代码

C语言程序设计部分实验

参考答案

实验2 2-1-2

#include int main(){ }

int c,f=150;

c=f*5/9-32*5/9;

printf(\return 0;

思考：不一样 结果变为65 因为取整过程不同 造成误差

2-1-3

#include int main(){

int c=26,f; f=c*9/5+32;

printf(\return 0;

}

#include

int main(){//2-1-4 int math=87,eng=72,comp=93; printf(\(math+eng+comp)/3); return 0; }

#include int main(){//2-1/5 int n=152,a,b,c;

c=n; b=(n/10); a=n/100;

printf(\整数%d 的个位数字是%d, 十位数字是%d, 百位数字是%d\\n\return 0;

}

#include int main(){//2-1-6

int x=3,y;

y=x*x;

printf(\printf(\return 0;

}

#include int main(){//2-2-1 double x, y; }

printf(\scanf_s(\if(x!=0){ y=1/x; }else{ }

y=0;

printf(\return 0;

#include int main(){//2-2-2 }

int celsius, fahr; fahr=100;

celsius=5*(fahr-32)/9;

printf(\return 0;

#include int main(){//2-2-3 double money, rate,x=1.0;

int i,year;

printf(\scanf(\for(i=1;i<=year;i++)

x=x*(1+rate);

printf(\return 0;

}

#include #include int main(){//2-2-4

double x, y;

printf(\scanf_s(\

}

if(x<0.0)

y=pow(x+1,2)+2*x+1/x; else y=sqrt(x);

printf(\return 0;

#include #include int main(){//2-2-5

double x, y; printf(\scanf_s(\if(x==10) y=1/x; else

y=x;

printf(\return 0;

}

#include

int main(){//2-2-6 int x, y; printf(\ scanf_s(\ }

printf(\scanf_s(\

printf(\printf(\printf(\printf(\printf(\return 0;

#include int main(){//2-3-1

int i,sum=0;

for(i=1;i<=100;i++){ sum=sum+i; }

printf(\

return 0; }

#include

int main(){//2-3-2 }

int i,m,s=0;

printf(\scanf(\

for(i=m;i<=100;i++) s=s+i;

printf(\return 0;

#include int main(){//2-3-3

int i,m,n;

double s=0.0;

printf(\scanf(\

printf(\scanf(\for(i=m;i<=n;i++) s=s+1.0/i; printf(\return 0;

}

#include int main(){//2-3-4 int i,n;

double s=0.0;

printf(\scanf(\for(i=1;i<=n;i++) s=s+1.0/(2*i-1); printf(\return 0;

}

#include int main(){//2-3-5 int i,n;

double s=1.0,t=1.0,sign=1.0; printf(\scanf(\for(i=1;i

t=(t+3);

s=s+1/t*sign;

printf(\

return 0; }

#include int main(){//2-3-6

int low, uper;

double fahr,celsius; printf(\scanf_s(\printf(\scanf_s(\printf(\

celsius\\n\

for(fahr=low;fahr<=uper;fahr+=2){ celsius=5.0/9.0*(fahr-32.0); }

printf(\

%6.1f\\n\

return 0; }

#include int main(){//2-3-7 int m, n, i; }

#include int main(){//2-3-8

int x, n,i; double p=1.0; printf(\scanf(\

printf(\double p,sum=0.0; printf(\scanf(\

printf(\scanf(\p=1.0;

for(i=1;i<=m;i++) p=p*i; sum=sum+p; p=1.0;

for(i=1;i<=n;i++) p=p*i; sum=sum+p;

printf(\return 0;