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array length c++
cpp by
Spotless Spider
on May 07 2020
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// array::size #include <iostream> #include <array> int main () { std::array<int,5> myints; std::cout << "size of myints: " << myints.size() << std::endl; std::cout << "sizeof(myints): " << sizeof(myints) << std::endl; return 0; }
Source:
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array length c++
cpp by
Spotless Spider
on May 07 2020
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// C++ program to find size of an array by using a // pointer hack. #include <bits/stdc++.h> using namespace std; int main() { int arr[] = {1, 2, 3, 4, 5, 6}; int size = *(&arr + 1) - arr; cout << "Number of elements in arr[] is " << size; return 0; }
Source:
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array length c++
cpp by
Noq
on Jan 18 2020
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int arr[5]; int len = sizeof(arr) / sizeof(arr[0]); // returns 5
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