用C语言写从键盘输入三个整数,编程实现求三个数的最大值
时间: 2024-11-27 18:19:52 浏览: 75
在C语言中,你可以使用类似下面的代码来获取用户输入的三个整数并计算它们的最大值:
```c
#include <stdio.h>
int main() {
int num1, num2, num3, max; // 定义三个整数和一个临时变量来保存最大值
// 提示用户输入第一个整数
printf("请输入第一个整数:");
scanf("%d", &num1);
// 输入第二个整数
printf("请输入第二个整数:");
scanf("%d", &num2);
// 输入第三个整数
printf("请输入第三个整数:");
scanf("%d", &num3);
// 比较三个数,找出最大值
if (num1 > num2) {
if (num1 > num3) {
max = num1;
} else {
max = num3;
}
} else { // num1不大于num2
if (num2 > num3) {
max = num2;
} else {
max = num3;
}
}
// 输出结果
printf("这三个数中的最大值是:%d\n", max);
return 0;
}
```
这段代码首先定义了三个整数变量和一个临时变量`max`,接着依次提示用户输入三个整数,并通过`scanf`函数读取。然后通过嵌套的if-else结构比较这三个数,找到最大值,并将其存入`max`变量中。最后,通过`printf`函数显示最大值。
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