c语言 ccf 相反数
时间: 2023-10-26 14:01:30 浏览: 191
CCF中的相反数是指给定一组非零且各不相同的整数,求出其中有多少对相反数(a和-a为一对相反数)。可以通过遍历数组,使用两层循环来比较每对元素,如果两个元素互为相反数,则计数器加1。最后输出计数器的值即为所求。以下是一个C语言的示例代码:
```c
#include <stdio.h>
#include <stdlib.h>
int a + a[j == 0) {
count++;
}
}
}
printf("%d\n", count);
return 0;
}
```
这段代码首先读取输入的整数个数n和n个整数存储到数组a中,然后使用两层循环遍历数组a,比较每对元素的和是否为0,如果是则计数器count加1。最后输出计数器count的值即为所求的相反数对数。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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