小伙伴关心的问题:c语言的经典例题,c语言简单例题及解析,本文通过数据整理汇集了c语言的经典例题,c语言简单例题及解析相关信息,下面一起看看。

c语言的经典例题,c语言简单例题及解析

这些都是基本的 C 程序,可以帮助刚踏入 C 编程世界的新手。快来试试吧:

1、C 语言编程 – Hello World

#include<stdio.h> int main() { printf("Hello world\n"); printf("Linux迷 www.linuxmi.com"); return 0; }

2. C 语言编程 - 执行算术运算

#include<stdio.h> int main() { int a,b; printf("Enter two numbers:"); scanf("%d%d",&a,&b); printf("Sum=%d difference=%d product=%d quotient=%d\n",a+b,a-b,a*b,a/b); return 0; }

3.C 编程 - 求圆的面积

#include<stdio.h> #include<math.h> int main() { float r; float N=3.14; float s; //N*r*r;该行必须在输入r值以后 printf("请输入该圆的半径:"); scanf("%f",&r); s=N*r*r; printf("%.7f\n",s);//输出小数点后7位 return 0; }

4.C编程 - 在3个数字中找到最大值

#include<stdio.h> int main() { int a, b, c; printf("\nEnter value of a, b & c : "); scanf("%d %d %d", &a, &b, &c); if ((a > b) && (a > c)) printf("\na is greatest\n"); if ((b > c) && (b > a)) printf("\nb is greatest\n"); if ((c > a) && (c > b)) printf("\nc is greatest\n"); return 0; }

5.C编程 - 查找偶数或奇数

#include<stdio.h> int main() { int n; printf("Enter a number:"); scanf("%d",&n); if(n%2==0) { printf("Number is even\n"); } else { printf("Number is odd\n"); } return 0; }

6. C编程 - 显示一个数字的因数

#include <stdio.h> int main() { int n,i; printf("Enter a positive integer: "); scanf("%d",&n); printf("Factors of %d are: ", n); for(i=1;i<=n;++i) { if(n%i==0) printf("%d ",i); } return 0; }

7. C编程 - 检查质数

#include <stdio.h> int main() { int n, i, flag = 0; printf("Enter a positive integer: "); scanf("%d",&n); for(i=2; i<=n/2; ++i) { // condition for nonprime number if(n%i==0) { flag=1; break; } } if (flag==0) printf("%d is a prime number.\n",n); else printf("%d is not a prime number.\n",n); return 0; }

8.C编程 - 检查闰年

#include<stdio.h> int main() { int year; printf("Enter a year: "); scanf("%d",&year); if(year%4 == 0) { if( year%100 == 0) { // year is divisible by 400, hence the year is a leap year if ( year%400 == 0) printf("%d is a leap year.\n", year); else printf("%d is not a leap year.\n", year); } else printf("%d is a leap year.\n", year ); } else printf("%d is not a leap year.\n", year); return 0; }

9.C编程 - 从1加到n的和

#include<stdio.h> int main() { int i,n,sum=0; printf("Upto how many terms you want to find the sum:"); scanf("%d",&n); for(i=1;i<=n;i++){ sum = sum + i; } printf("Sum is %d\n",sum); return 0; }

10. C编程 - 一个数的阶乘

#include <stdio.h> int main() { int n, i; unsigned long long factorial = 1; printf("Enter an integer: "); scanf("%d",&n); // show error if the user enters a negative integer if (n < 0) printf("Error! Factorial of a negative number doesnt exist."); else { for(i=1; i<=n; ++i) { factorial *= i; // factorial = factorial*i; } printf("Factorial of %d = %llu\n", n, factorial); } return 0; }

这些 C 编程示例,可以很好的帮助初学者进行编码之旅。

来源: Linux公社

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