Question: C++ string vector_to_string(vector &v); vector_to_string : returns a single string of the argument vector , where each element is printed as string:long, comma separated elements.
C++
string vector_to_string(vector
vector_to_string : returns a single string of the argument vector
separated elements. No comma at the end! This vector is convenient for sorting, (can't sort a map) .
input:
2 3 helloworld
ouput:
hel, ell, llo, low, owo, wor, orl, rld,
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