Raptor/C++

[remote sun]

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[bright tendon]

!f

[remote sun]

Hello Everyone I need help with some homework and I just need to turn this C++ code ```cpp
into a raptor flowchart.Below is my code.Help would be much appreciated !!

#include <iostream>
#include <sstream>
#include <string>
using namespace std;

bool checkHexa(string str) {
if (str[0] != '0' || str[1] != 'x')
return false;

int n = str.length();

for (int i = 2; i < n; i++) {
char ch = str[i];

if ((ch < '0' || ch > '9') && (ch < 'A' || ch > 'F')) {
  return false;
}

}

return true;
}

int convertHexaToDecimal(string str) {
int decimal_number;

istringstream iss(str);

iss >> hex >> decimal_number;

return decimal_number;
}

string convertDecimalToHexa(int decimal_number) {
ostringstream oss;

oss << hex << decimal_number;

string result = oss.str();

for (int i = 0; i < result.length(); i++)
result[i] = toupper(result[i]);

return ("0x" + result);
}

int main() {
string hexadecimal_literal;

cout << "Please enter a hexadecimal literal ";
cin >> hexadecimal_literal;

if (checkHexa(hexadecimal_literal)) {
int decimal_number = convertHexaToDecimal(hexadecimal_literal);

string new_hexadecimal = convertDecimalToHexa(decimal_number + 1);

cout << "The next hexadecimal number is " << new_hexadecimal;

}

else {
cout << "This is not a valid hexadecimal number";
}

return 0;
}

TxBobert

Formatted by Gustavo

[bright tendon]

@pale plinth what errors are you having

also check for the size of the string so if it's empty you won't have UB

[remote sun]

@pale plinth

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[pale plinth]

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