题解 | #计算某字母出现次数#
明明的随机数
http://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
C语言算法:
注意判断输入是否结束:while (scanf("%d", &x) != EOF)
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int cmp(int *a, int *b)
{
return *a - *b;
}
int main()
{
int j = 0;
int x = 0, input[1000] = { 0 }, output[1000] = { 0 };
while (scanf("%d", &x) != EOF)
{
// printf("x=%d\n",x);
for (int i = 0; i < x; i++)
{
scanf("%d", (input + i));
}
// printf("\n shurujiesu\n");
qsort(input, x, sizeof(int), cmp);
for (int i = 0; i < x; i++)
{
if (input[i] != input[i + 1])
{
// output[j++] = input[i];
printf("%d\n", input[i]);
}
}
}
getchar();
return 0;
} 
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