Posts by soAna • 129 points

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  Q: How to copy the contents of two files into a third file in c?

  I need to create a file that is a copy of the contents of two other files (already existing), the user will type the name of these two files. In my case, the first file contains: "hi, banana,…

  c filing-cabinet

  asked 7 years, 6 months ago soAna 129

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  Q: reversing a long sequence in c

  I need to invert a sequence of numbers, for example, if 1234 is inserted, I print 4321. The code is working, but for Type 0123 or Type 1230 entries the zero is simply "deleted", but I needed the…

  c

  asked 7 years, 7 months ago soAna 129

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  Q: Function that returns more than one variable in c

  I need to do a function that takes 3 floats and returns the average, the largest number among the 3 and the difference between the average and the largest. I tried to make the return by a pointer…

  c function pointer return

  asked 7 years, 8 months ago soAna 129

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  Q: password confirmation in c

  I need to register N people in my program with only two information: name and password. Then the user enters a name, if this name is not registered the program displays a message of no registration…

  c array struct

  asked 7 years, 8 months ago soAna 129

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  Q: Comparing C string contents to find palindrome

  I need to check whether a string The, for example, is equal to string B to determine if the word inserted is a palindrome, the problem is that a string B is the reverse of A, I’m not able to…

  c string

  asked 7 years, 9 months ago soAna 129

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  Q: How do I access the values of a struct?

  I need to print the values read on the keyboard of a struct vector that form a coordinate. The problem is that when I pass the struct vector of the function that takes and stores the data to…

  c function array struct

  asked 8 years ago soAna 129

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  Q: array type has incomplete element type

  I am not able to compile my program, the compiler keeps accusing "array type has incomplete element type" in the function that prints points. The function that prints dot: float imprimePonto(struct…

  c array

  asked 8 years ago soAna 129

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  Q: calling a function within another function in c

  I need to receive values float to store in a struct, however, these values must be validated by means of a validation function.` The function that reads and validates these values is working…

  c function struct header

  asked 8 years ago soAna 129

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  Q: How do I validate input in c?

  My problem is that I have to force the user to enter a whole value only, if he puts anything else (characters or decimals) I have to make him type again. I’ve already tried to validate scanf but it…

  c scanf

  asked 8 years, 1 month ago soAna 129

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  Q: Validation of scanf in c

  I have a problem that I need to validate an entry to receive only integers, if I do not receive, I must force the user to enter an integer. I cannot disregard numbers after the comma (in the case of…

  c scanf

  asked 8 years, 1 month ago soAna 129

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  Q: How to access the indexes of a very large vector in C?

  I have a problem that I have to assemble a vector (vet2[50]) with the sum of a large vector (vet1[100]), this vector vet1 is provided by the user and the sum if provided by: vet2[0]=vet1[0]+vet1[1]…

  c array

  asked 8 years, 2 months ago soAna 129