摘要：
#includeint main(void){ int digit,letter,other; char ch; int i; digit=letter=other=0; printf("Enter 10 characters:"); for(i=1;i='a'&&ch='A'&&ch='0'&&ch<='9') digit++; else other++; } printf("letter=%d,other=%d,other=%d\n" 阅读全文
摘要：
#includeint main(void){ double valuel,value2; char op; printf("Type in an expression:"); scanf("%lf%c%lf",&valuel,&op,&value2); if(op=='+') printf("%.2f\n",valuel+value2); else if(op=='-') printf("%.2f\n",valuel-value2); else if(op= 阅读全文
摘要：
#includeint main(void){ double x,y; printf("Enter x:"); scanf_s("%lf",&x); if(x<0){ y=0; } else if(x<=15){ y=4*x/3; } else{ y=2.5*x-10.5; } printf("f(%.2f\n",x,y); return 0;} 阅读全文
摘要：
#includeint main(void){ int count,i,n; double grade,total; printf("Enter n:"); scanf_s("%d",&n); total=0; count=0; for(i=1;i<=n;i++){ printf("Enter grade#%d:",i); scanf_s("%lf",&grade); total=total+grade; if(grade<60){ count++; } ... 阅读全文
摘要：
#includeint main(void){ int number; printf("Enter a number:"); scanf_s("%d",&number); if(number%2==0){ printf("The number is even.\n"); } else{ printf("The number is odd.\n"); } return 0;} 阅读全文
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#includeint main(void){ int mynumber=38; int yournumber; printf("Input your number:"); scanf_s("%d",&yournumber); if(yournumber==mynumber) printf("Ok!you are right!\n"); else if(yournumber>mynumber) printf("Sorry!your number is bigger than my number!\n" 阅读全文
摘要：
#includedouble fact(int n);int main(void){ int i,n; double result; printf("Enter n:"); scanf_s("%d",&n); for(i=0;i<=n;i++){ result=fact(i); printf("%d!=%.0f\n",i,result); } return 0;}double fact(int n){ int i; double product; product=1; for(i=1;i<=n;i++... 阅读全文
摘要：
#include#includeint main(void){ int i,n; double power; printf("Enter n:"); scanf_s("%d",&n); for(i=0;i<=n;i++){ power=powl(2,i); printf("pow(2,%d)=%.0f\n",i,power); } return 0;} 阅读全文
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#includeint main(void){ int i,n; double product; printf("Enter n:"); scanf_s("%d",&n); product=1; for(i=1;i<=n;i++){ product=product*i; } printf("product=%.0f\n",product); return 0;} 阅读全文
摘要：
#includeint main(void){ int i,n,sum; printf("Enter n:"); scanf_s("%d",&n); sum=0; for(i=1;i<=n;i++){ sum=sum+i; } printf("Sum of numbers from 1 to%d is%d\n",n,sum); return 0;} 阅读全文