Question

5.9.2: Modify a string parameter. C++

Complete the function to replace any period by an exclamation point. Ex: "Hello. I'm Miley. Nice to meet you." becomes:

"Hello! I'm Miley! Nice to meet you!"

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

void MakeSentenceExcited(string& sentenceText) {

/* Your solution goes here */

}

int main() {
string testStr;

getline(cin, testStr);
MakeSentenceExcited(testStr);
cout << testStr;

return 0;
}

Answer 1

Here is the answer:

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

void MakeSentenceExcited(string& sentenceText) {

for(int i=0; i<sentenceText.length(); i++)
{
if(sentenceText[i]=='.')
{
sentenceText = sentenceText.substr(0, i)+"!"+sentenceText.substr(i+1, sentenceText.length());
}
}
  

}

int main() {
string testStr;

getline(cin, testStr);
MakeSentenceExcited(testStr);
cout << testStr;

return 0;
}

Here is the output:

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