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  • 九度OJ 1041:Simple Sorting(简单排序) (排序)

    时间限制:1 秒

    内存限制:32 兆

    特殊判题:

    提交:4502

    解决:1680

    题目描述:

    You are given an unsorted array of integer numbers. Your task is to sort this array and kill possible duplicated elements occurring in it.

    输入:

    For each case, the first line of the input contains an integer number N representing the quantity of numbers in this array(1≤N≤1000). Next N lines contain N integer numbers(one number per each line) of the original array.

    输出:

    For each case ,outtput file should contain at most N numbers sorted in ascending order. Every number in the output file should occur only once.

    样例输入:
    6
    8 8 7 3 7 7
    样例输出:
    3 7 8
    来源:
    2008年上海交通大学计算机研究生机试真题

    思路:

    要求排序之后输出时去掉重复数字,输出时加判断即可。


    代码:

    #include <stdio.h>
    #include <stdlib.h>
     
    int cmp(const void *a, const void *b)
    {
        return *((int*)a) > *((int*)b) ? 1: -1;
    }
     
    int main(void)
    {
        int n;
        int a[1000], b[1000];
        int i;
     
        while (scanf("%d", &n) != EOF)
        {
            for (i=0; i<n; i++)
                scanf("%d", &a[i]);
     
            qsort(a, n, sizeof(a[0]), cmp);
     
            int k = 0;
            b[0] = a[0];
            for (i=0; i<n; i++)
            {
                if (a[i] != b[k])
                {
                    k++;
                    b[k] = a[i];
                }
            }
     
            for (i=0; i<k; i++)
                printf("%d ", b[i]);
            printf("%d
    ", b[i]);
        }
     
        return 0;
    }
    /**************************************************************
        Problem: 1041
        User: liangrx06
        Language: C
        Result: Accepted
        Time:0 ms
        Memory:912 kb
    ****************************************************************/


    编程算法爱好者。
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  • 原文地址:https://www.cnblogs.com/liangrx06/p/5083990.html
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