c - 替换数组中的元素

Question

我有一个问题让我非常痛苦。这段代码的目的是用整数值填充数组，同时防止字符串等......但它不能防止重复，但我尝试用新的值替换数字例如数字输入6个整数1、2、2、3、4、5

我的代码将让我用另一个数字替换位置 1 处的 2。我想要它做的是不要再次重复相同的数字，例如请在位置 1 处替换 2。我不希望用户再次输入 2...并且我想让它仔细检查数组的工作情况，如果是否存在重复的数字，谢谢。

        system("clear");
        printf("\nEntering Winning Tickets....\n");
        nanosleep((struct timespec[]){{1, 0}}, NULL);

        system("clear");
        char userInput[256];
        char c;

        int duplicationArray[6] = {-1, -1, -1, -1, -1, -1};
        for (i = 0; i < 6; i++)
        {
            printf("\nPlease enter the %d winning ticket number!(#'s must be between 1-49): ", i+1);
            fgets(userInput, 256, stdin);
            if ((sscanf(userInput, "%d %c", &winningNumbers[i], &c) != 1 || (winningNumbers[i] <= 0) || winningNumbers[i] >= 50))
            {
                printf("\nInvalid Input.\n") ;
                nanosleep((struct timespec[]){{0, 350000000}}, NULL);
                system("clear");
                i = i - 1;
            }
        }

        for (i = 0; i < 6 - 1; ++i)
        {

            min = i;
            for (j = i+1; j < 6; ++j)
            {
                if (winningNumbers[j] < winningNumbers[min])
                    min = j;
            }

            temp = winningNumbers[i];
            winningNumbers[i] = winningNumbers[min];
            winningNumbers[min] = temp;

        }

        for (i = 0; i < 6; i++)
        {
            if (winningNumbers[i] == winningNumbers[i+1])
            {
                duplicationArray[i] = i;
                duplicationCounter++;

            }

            else
            {
                duplicationCounter--;
            }
        }


           if (duplicationCounter > -6)

        {

            for (i = 0; i < 6; i++)
            {
                int j, min, temp;
                min = i;
                for (j = i+1; j < 6; ++j)
                {
                    if (duplicationArray[j] > duplicationArray[min])
                        min = j;
                }

                temp = duplicationArray[i];
                duplicationArray[i] = duplicationArray[min];
                duplicationArray[min] = temp;

            }

            for (i = 0; i < 6; i++)
            {
                if (duplicationArray[i] == -1)
                {
                    zeroCounter++;
                }
            }
            int resize = (6 - zeroCounter)+1;

            for (i = 0; i <= resize; i++)
            {
                if (duplicationArray[i] == -1)
                {
                    i++;
                }

                else if (duplicationArray[i] != -1)
                {
                    system("clear");

                    printf("\nDuplicated numbers has been dected in your array. ");
                    printf("\nPlease replace the number %d at postion %d with another number: ", winningNumbers[duplicationArray[i]], duplicationArray[i]);
                    fgets(userInput, 256, stdin);

                    if ((sscanf(userInput, "%d %c", &winningNumbers[duplicationArray[i]], &c) != 1 || (winningNumbers[i] <= 0) || winningNumbers[i] >= 50))
                    {
                        printf("\nInvalid Input.\n") ;
                        nanosleep((struct timespec[]){{0, 350000000}}, NULL);
                        system("clear");
                        i = i - 1;
                    }
                }               
            }

            duplicationCounter = 0;

            for (i = 0; i < 6; i++)
            {
                if (winningNumbers[i] == winningNumbers[i+1])
                {
                    duplicationArray[i] = i;
                    duplicationCounter++;

                }

                else
                {
                    duplicationCounter--;
                }

            }

            printf("%d, ", duplicationCounter);

        }

Answer 1

#include <stdio.h>
#include <stdint.h>

#define DATA_SIZE 6

int main(void){
    char userInput[256];
    int inputNum, winningNumbers[DATA_SIZE];
    uint64_t table = 0;
    int i=0;
    while(i<DATA_SIZE){
        printf("\nPlease enter the %d winning ticket number!(#'s must be between 1-49): ", i+1);
        fgets(userInput, sizeof(userInput), stdin);
        if(sscanf(userInput, "%d", &inputNum) != 1 || inputNum <= 0 || inputNum >= 50)
            continue;
        uint64_t bit = 1 << inputNum;
        if(table & bit)
            continue;
        table |= bit;
        winningNumbers[i++] = inputNum;
    }
    for(i=0;i<DATA_SIZE;++i)
        printf("%d ", winningNumbers[i]);
    printf("\n");
    return 0;
}