{c}

By <Ciro Santilli>:
* https://stackoverflow.com/questions/1430757/convert-a-vectorint-to-a-string/79637760#79637760
* https://stackoverflow.com/questions/14070940/how-can-i-print-out-c-map-values/79637777#79637777
* https://stackoverflow.com/questions/2793232/c-print-out-objects-from-set/79637784#79637784
* https://stackoverflow.com/questions/61338240/how-to-print-the-content-of-a-nested-stdunordered-map/79637792#79637792
By others:
* https://stackoverflow.com/questions/10750057/how-do-i-print-out-the-contents-of-a-vector/55270925#55270925
* https://stackoverflow.com/questions/3496982/how-can-i-print-a-list-of-elements-separated-by-commas/75762963#75762963


 C++ format print containers

ID: c-plus-plus-format-print-containers