c - 相同编号的最长序列和存在的最长序列数(无数组)

在C语言中，我只允许使用stdio.h，不允许使用数组。
问题是：我需要编写函数“void maxlegnth（）”
输入整数只要是正数，如果输入负数，输入部分就会停止。
我需要找出相同数字的最长序列，以及它发生的次数。例如：
输入：

19 19 97 97 97 97 681 681 681 681 97 36 36 36 97 97 97 97 36 -19

输出：

maximum length - 4
occurred - 3

我一直在思考这个问题，但我不知道该怎么解决：

void MaxLength()
{
    int num1, temp, currentmax = 0, countmax = 0, globalmax = 0;
    printf("Please enter positive integers: ");
    scanf_s("%d", &num1);
    temp = num1;
    if (num1 > 0)
        currentmax++;
    while (num1 > 0)
    {
        scanf_s("%d", &num1);
        if (num1 < 0)
        {
            //currentmax--;
            break;
        }
        if (num1 == temp)
        {
            currentmax++;
            temp = num1;
            if (currentmax > globalmax)
                globalmax = currentmax;
        }
        else
        {
            if (currentmax > globalmax)
            {
                globalmax = currentmax;
                countmax = 1;
                currentmax = 1;
                temp = num1;
            }
            if (currentmax < globalmax)
            {
                currentmax = 1;
                temp = num1;
            }
            if (currentmax == globalmax)
                countmax++;
        }

    }
    printf("\ncurrent %d\n", currentmax);
    printf("\nglobal %d\n", globalmax);
    printf("\ncount %d\n", countmax);
}

抱歉，文字太多了。任何帮助都将不胜感激！

最佳答案

下面是您的函数的固定版本，其中包含一些注释：

int num = 0, curr = -1, currCnt = 0, maxCnt = 0, maxCntCnt = 0;
printf("Please enter positive integers: ");
while (num >= 0) {
    if (scanf("%d", &num) != 1)
        break;
    if (num <= 0)
        break;
    if (num == curr) {
        currCnt++; // new number is continuation of sequence, increase counter
        if (currCnt == maxCnt) {
            maxCntCnt++; // we're reached previously detected max, increase counter
        }
        if (currCnt > maxCnt) {
            maxCnt = currCnt; // we're reached new max, reset counter
            maxCntCnt = 1;
        }
    } else {
        curr = num; // start of new sequence detected, reset counter
        currCnt = 1;
    }
}

printf("\nmaximum length - %d\n", maxCnt);
printf("occured - %d\n", maxCntCnt);