字符串中删除特定区段字符问题

Question

输入一个字符串，再输入数字n，m，输出该字符串第n到m之间的字符
例如:输入asdfghjkl 3 6，输出dfgh

Answer 1

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

int main()
{
    char str[128] = {0};
    int left, right;
    scanf("%s %d %d", str, &left, &right);
    int strLen = strlen(str);
    if (left <= right && left > 0 && left <= strLen && right > 0 && right <= strLen) {
        str[right] = '\0';
        printf("%s", str + left - 1);
    }
}