Question

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <stdlib.h>

void main()
{
    char brackets[20];
    int frequency[100];

    for (int i = 0; i < 100; i++)
        frequency[i] = 0;

    printf("the array: ");
    scanf("%s", brackets);



    for (char ch = '!'; ch <= '}';  ch++)
    {

        for (int i = 0; i < strlen(brackets) &&  ok1; i++)
        {

            if (ch == brackets[i])
                frequency[ch-'0']++; // we keep increase the character position frequency.

        }


    }

    int ok = 1;
    int a[100], l=0;

    for (int i = 0; i < 100; i++)
    if (frequency[i] > 0)
    {

        printf("frec %d appears on %d\n", frequency[i], i);
        a[l] = frequency[i];
        l++;
    }

    for (int i = 0; i < l-1; i++)
    {
        printf("%d ", a[i]);
        if (a[i] != a[i + 1])
            ok = 0;
    }
    if (ok)
        printf("yes");
    else 
        printf("no");

    _getch();

}

大家好，我正在从The C Programming Language学习C，我必须解决一个告诉我基本语法错误的问题。我决定使用频率向量来跟踪括号s.a（）[]。我面临的问题是，如何才能弄清楚例如）是否在（。我尝试使用ASCII表，但是效果不好。第一点是要查看它们是否以相等的数字出现。现在我必须看看如果它们放置正确。谢谢你们！

来自C编程语言的练习1.24

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