C语言输入四个整数两两比较输出,并统计比较次数
时间: 2024-05-03 15:23:18 浏览: 17
以下是一个示例代码,使用了嵌套循环比较四个整数的大小,并记录比较次数:
```c
#include <stdio.h>
int main() {
int a, b, c, d;
printf("Enter four integers: ");
scanf("%d %d %d %d", &a, &b, &c, &d);
int count = 0; // 记录比较次数
if (a > b) {
printf("%d is greater than %d\n", a, b);
count++;
} else if (a < b) {
printf("%d is less than %d\n", a, b);
count++;
} else {
printf("%d is equal to %d\n", a, b);
}
if (a > c) {
printf("%d is greater than %d\n", a, c);
count++;
} else if (a < c) {
printf("%d is less than %d\n", a, c);
count++;
} else {
printf("%d is equal to %d\n", a, c);
}
if (a > d) {
printf("%d is greater than %d\n", a, d);
count++;
} else if (a < d) {
printf("%d is less than %d\n", a, d);
count++;
} else {
printf("%d is equal to %d\n", a, d);
}
if (b > c) {
printf("%d is greater than %d\n", b, c);
count++;
} else if (b < c) {
printf("%d is less than %d\n", b, c);
count++;
} else {
printf("%d is equal to %d\n", b, c);
}
if (b > d) {
printf("%d is greater than %d\n", b, d);
count++;
} else if (b < d) {
printf("%d is less than %d\n", b, d);
count++;
} else {
printf("%d is equal to %d\n", b, d);
}
if (c > d) {
printf("%d is greater than %d\n", c, d);
count++;
} else if (c < d) {
printf("%d is less than %d\n", c, d);
count++;
} else {
printf("%d is equal to %d\n", c, d);
}
printf("Total comparisons: %d\n", count);
return 0;
}
```
注意,这个代码只比较了两两之间的大小关系,没有对四个数进行排序。如果需要对四个数进行排序,可以使用类似冒泡排序或选择排序的算法。