C语言程序设计实验指导 部分源代码(2)

scanf(\

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

printf(\的%d次方是%.0f\\n\return 0;

}

#include #include int main(){//2-4-1 }

int n,i;

printf(\scanf(\

for(i=0;i<=n;i++) printf(\return 0;

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

double sum=0.0,i;

for(i=100;i<=1000;i++){ sum+=sqrt(i); }

printf(\return 0;

}// 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

sign=-sign; 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;

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;

}

#include int main(){//2-3-8 int x, n,i;

double p=1.0;

printf(\scanf(\printf(\scanf(\

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

printf(\的%d次方是%.0f\\n\return 0;

}

#include #include int main(){//2-4-1 int n,i; }

printf(\scanf(\

for(i=0;i<=n;i++) printf(\return 0;

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

double sum=0.0,i;

for(i=100;i<=1000;i++){ sum+=sqrt(i); }

printf(\

}

return 0;

实验3

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

double a, b, c, d;

printf(\scanf(\d=b*b-4*a*c; if(a==0)

if(b==0) if(c==0)

printf(\系数均为，方程无意义！\\n\else

printf(\、b为，c不为，方程不成立！\\n\else printf(\

else if(d>=0){

printf(\ printf(\}else{ printf(\ }

printf(\

return 0; }

#include int main(){//3-2 int x,y;

printf(\scanf(\if(x<0) y=-1; else if(x==0) y=0; else

y=1;

printf(\

return 0; }

#include