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November 17, 2015 16:05
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write a program that get student information and validate inputs . if inputs was valid show success message otherwise show correct error message .
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| #include<iostream> | |
| #include<string> | |
| using namespace std; | |
| bool isNameValid(string name){ | |
| int length = name.length(); // name.size() ; strlen(name.c_str); | |
| if (length > 40 || length < 5) | |
| return false; | |
| else | |
| return true; | |
| } | |
| bool isStudentIdValid(string studentId){ | |
| int length = studentId.size(); | |
| if (length == 9) | |
| return true; | |
| else | |
| return false; | |
| } | |
| bool isAgeValid(int age){ | |
| if (age > 120 || age < 17) | |
| return false; | |
| else | |
| return true; | |
| } | |
| int main(){ | |
| string studentId, name; | |
| int age; | |
| bool wrongInputFlag = false; | |
| // get inputs | |
| cin >> name >> studentId >> age; | |
| // validation inputs | |
| // name's length should be between 5 and 40 | |
| if (!isNameValid(name)){ | |
| cout << "Your name is incorrect" << endl; | |
| wrongInputFlag = true; | |
| } | |
| // studentId's length shoudl be exactly 9 character | |
| if (!isStudentIdValid(studentId)){ | |
| cout << "Your student id is incorrect" << endl; | |
| wrongInputFlag = true; | |
| } | |
| // age should be between 17 and 120 | |
| if (!isAgeValid(age)){ | |
| cout << "Your age is incorrect" << endl; | |
| wrongInputFlag = true; | |
| } | |
| // show errors if inputs was incorrect | |
| // if all inputs was correct show success message | |
| if (wrongInputFlag == false) | |
| cout << "Your information saved successfully" << endl; | |
| } |
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