C言语作为一种历史长久且功能富强的编程言语,在中国有着广泛的利用跟深沉的大年夜众基本。本文将深刻探究C言语编程的入门技能,并经由过程实战案例帮助读者解锁编程新地步。
#include <stdio.h>
int main() {
int a, b;
char operator;
printf("Enter an expression (e.g., 5 + 3): ");
scanf("%d %c %d", &a, &operator, &b);
switch (operator) {
case '+':
printf("Result: %d\n", a + b);
break;
case '-':
printf("Result: %d\n", a - b);
break;
case '*':
printf("Result: %d\n", a * b);
break;
case '/':
if (b != 0) {
printf("Result: %f\n", (float)a / b);
} else {
printf("Error: Division by zero!\n");
}
break;
default:
printf("Error: Unknown operator!\n");
}
return 0;
}
以下是一个简单的冒泡排序算法实现:
#include <stdio.h>
void bubbleSort(int arr[], int n) {
int i, j, temp;
for (i = 0; i < n-1; i++) {
for (j = 0; j < n-i-1; j++) {
if (arr[j] > arr[j+1]) {
temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
}
int main() {
int arr[] = {64, 34, 25, 12, 22, 11, 90};
int n = sizeof(arr)/sizeof(arr[0]);
bubbleSort(arr, n);
printf("Sorted array: \n");
for (int i = 0; i < n; i++)
printf("%d ", arr[i]);
printf("\n");
return 0;
}
经由过程本文的进修,读者应当对C言语编程有了更深刻的懂得。控制入门技能,结合实战案例,信赖读者可能解锁编程新地步,为将来的编程之路打下坚固的基本。