int max_salary(int **List, int len) {  int result_1 = 0, result_2 = 0, result = 0;  if (len <= 0)   return result;  result_1 = max_salary(List, len - 1) + *(*(List + len - 1) + 0);  result_2 = max_salary(List, len - 2) + 0 + *(*(List + len - 1) + 1);  if (result_1 >= result_2) {   result = result_1;  }  else {   result = result_2;  } } int main() { #define MAXNUMLENGTH 5 #define MAXLENGTH 100  char input_num[5] = { 0 };  char input[MAXLENGTH] = { 0 };  int in_count = 0;  int count = 0;  int num_len = 0;  int len = 0;  int num_of_days = 0;  //输入第一行  char c = getchar();  while (c != '\n') {   input_num[count] = c;   c = getchar();   count++;  }  num_len = count;  count = 0;  for (int i = num_len - 1; i >= 0; i--) {   num_of_days += (int)((input_num[i] - '0')*pow(10, in_count));   in_count++;  }  in_count = 0;  //输入第二行  c = getchar();  while (c != '\n') {   input[count] = c;   c = getchar();   count++;  }  len = count;  count = 0;    //申请内存  int **salary_list = (int **)(malloc(sizeof(int*) * num_of_days));  for (int i = 0; i < num_of_days; i++) {   *(salary_list + i) = (int*)(malloc(sizeof(int) * 2));   memset(*(salary_list + i), 0, 2);  }  int first_num = 0, second_num = 0;  for (int i = num_of_days - 1; i >= 0; i--) {   count += 2;   second_num = 0;   while (input[len - count - 1] != ',') {    second_num += (int)((input[len - count - 1] - '0')*pow(10, in_count));    in_count++;    count++;   }   in_count = 0;   count++;   *(*(salary_list + i) + 1) = second_num;      first_num = 0;   while (input[len - count - 1] != '[') {    first_num += (int)((input[len - count - 1] - '0')*pow(10, in_count));    in_count++;    count++;   }   in_count = 0;   count++;   *(*(salary_list + i) + 0) = first_num;  }  /*  for (int i = 0; i < num_of_days; i++) {   for (int j = 0; j < 2; j++) {    cout << *(*(salary_list + i) + j) << endl;   }  }  */  //int salary_list[4][2] = { {1, 5},{2, 3},{2, 9},{1, 3} };  cout << max_salary(salary_list, num_of_days) << endl;  //释放内存  for (int i = 0; i < num_of_days; i++) {   free(*(salary_list + i));   *(salary_list + i) = NULL;  }  free(salary_list);  salary_list = NULL;    return 0; }