how to create array with not constant size in cpp

Ibrahim Alsedawy answered on November 16, 2021 Popularity 7/10 Helpfulness 1/10

answer how to create array with not constant size in cpp

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size_t n;
std::cin >> n;
auto arr = std::make_unique<int[]>(n);

Popularity 7/10 Helpfulness 1/10 Language cpp

Tags: c++ size

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Contributed on Nov 16 2021

Ibrahim Alsedawy

0 Answers Avg Quality 2/10

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size_t n;
std::cin >> n;
int* arr = new int[n];
...
// Control flow must reach exactly one corresponding delete[] !!!
delete[] arr;

Popularity 7/10 Helpfulness 5/10 Language cpp

Tags: c++ size

Link to this answer
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Contributed on Nov 16 2021

Ibrahim Alsedawy

0 Answers Avg Quality 2/10

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