short a = 32767;a++;printf("%d\n", a); // 输出: -32768
long long a = 9223372036854775807;a++;printf("%lld\n", a); // 输出: 9223372036854775808
float a = 0.1;float b = 0.2;if (a + b == 0.3) {printf("相等\n"); // 输出: 不相等} else {printf("不相等\n");}
include
include
include
第 5 章 数组
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习题 5.1
include
int main() {int a[5] = {1, 2, 3, 4, 5};for (int i = 0; i < 5; i++) {printf("%d\n", a[i]);}return 0;}
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习题 5.2
include
int main() {int a[10];for (int i = 0; i < 10; i++) {scanf("%d", &a[i]);}for (int i = 0; i < 10; i++) {printf("%d ", a[i]);}return 0;}
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习题 5.3
include
void reverse(int arr, int len) {
for (int i = 0; i < len / 2; i++) {int temp = arr[i];arr[i] = arr[len - i - 1];arr[len - i - 1] = temp;}}int main() {int a[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};reverse(a, 10);for (int i = 0; i < 10; i++) {printf("%d ", a[i]);}return 0;}
第 6 章 指针
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习
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