Member Avatar for mahsa.ehsani

i want code of diomand program..you know a code that give us this:
1
123
12345
123
1

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  • Latest Post Latest Post by Nick Evan
Member Avatar for Nick Evan

That's easy!

#include <iostream>

int main() {
    std::cout << "1\n123\n12345\n123\n1";
}

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