Arch bridges have a semicirclar, curved support.
Answer:
See attached file.
Explanation:
See attached file for detailed code.
Answer:
b.used is 2, b.data[0] is 4, b.data[1] is 6
Explanation:
bag b;
b.insert(5); // b has 5
b.insert(4); // b has 5,4
b.insert(6); // b has 5,4,6
b.erase_one(5); // now 5 is removed , b has 4,6
so no:of elements b.used is 2
b[0]=4;
b[1]=6;
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