What is the header file used for declaring the standard library algori

1.	What is the header file used for declaring the standard library algorithms?
A.	algorithm
B.	library
C.	container
D.	All of above
E.	None of these
Answer» B. library

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What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; void PermutationString( string& orig, string& Permutation ) { if (orig.empty()) { cout << Permutation << endl; return; } for (int k = 0; k < orig.size(); ++k) { string orig2 = orig; orig2.erase(k, 1); string Permutation2 = Permutation; Permutation2 += orig.at(k); PermutationString(orig2, Permutation2); } } int main() { string orig = "Sumi"; string Permutation; PermutationString(orig, Permutation); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c"> #include <iostream> #include <vector> #include <algorithm> using namespace std; void show(const vector<int>& Data) { for (size_t k = 0; k < Data.size(); ++k) { cout << Data[i] << ' '; } cout << endl; } int main() { vector<int> Data; Data.push_back(2); Data.push_back(6); Data.push_back(6); sort(Data.begin(), Data.end()); show(Data); while(next_permutation(Data.begin(), Data.end())) show(Data); return 0; } </pre>
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What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <algorithm> #include <vector> using namespace std; bool Function(int k, int L) { return (k < L); } struct ObjectClass { bool operator() (int k, int L) { return (k < L); } } StructObject; int main () { int arr[] = {112, 125, 101}; vector<int> Number(arr, arr + 3); sort (Number.begin(), Number.begin() + 2); sort (Number.begin() + 1, Number.end(), Function); sort (Number.begin(), Number.end(), StructObject); for (vector<int> :: iterator Iter = Number.begin(); Iter != Number.end(); ++Iter) cout << ' ' << *Iter; return 0; } </pre>
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What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <vector> #include <iterator> using namespace std; int main () { vector<int> VectorData; for (int k = 0; k <= 8; k++) VectorData.push_back(k); VectorData.erase (VectorData.begin() + 6); VectorData.erase (VectorData.begin(), VectorData.begin() + 4); for (unsigned k = 0; k < VectorData.size(); ++k) { cout << ' ' << VectorData[k]; } return 0; } </pre>

What is the header file used for declaring the standard library algorithms?

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