Which header file is used to manipulate the string?

1.	Which header file is used to manipulate the string?
A.	container
B.	iostream
C.	iomanip
D.	string
E.	None of these
Answer» E. None of these

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What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s ("InterviewMania"); string::reverse_iterator Rev; for (Rev = s.rbegin(); Rev < s.rend(); Rev++ ) cout << *Rev; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <cstring> using namespace std; int main () { char s1[10] = "Interview"; char s2[10] = "Mania"; char s3[10]; int length ; strcpy( s3, s1); strcat( s1, s2); length = strlen(s1); cout << length << endl; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s ("Interview Mania"); cout << s.capacity(); cout << s.max_size(); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s ("Interview Mania"); for (size_t k = 0; k < s.length();) { cout << s.at(k-1); } return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s ("Interview Mania is being legend"); string::iterator itr; s.erase (s.begin()+ 15, s.end()-7); cout << s << endl; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s="Manjesh Ojha founded the Interview Mania"; string s2 = s.substr (0, 12); unsigned pos = s.find("the"); string s3 = s.substr (pos); cout << s2 << ' ' << s3 << ' n'; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string name ("Manjesh"); string family ("Ojha"); name += " Interview Mania "; name += family; name += ' n'; cout << name; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string str ("Testing str..."); for ( string :: iterator Iter = str.begin(); Iter != 5; ++Iter) cout << *Iter; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string s1; string s2="Manjesh Ojha"; string s3="He founded Interview Mania"; s1.append(s2); s1.append(s3, 2, 4); s1.append(s3.begin() + 6, s3.end()); s1.append<int>(5, 0x2E); cout << s1 << ' n'; return 0; } </int></pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; int main () { string str ("Prayagraj Shakya"); cout << str.capacity() << " n"; return 0; } </pre>

Which header file is used to manipulate the string?

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