{ "authors": [ "IanWhitney" ], "contributors": [ "ClashTheBunny", "coriolinus", "cwhakes", "efx", "ErikSchierboom", "krodyrobi", "lutostag", "navossoc", "nfiles", "petertseng", "rofrol", "stringparser", "TheDarkula", "xakon", "ZapAnton" ], "files": { "solution": [ "src/lib.rs", "Cargo.toml" ], "test": [ "tests/grains.rs" ], "example": [ ".meta/example.rs" ] }, "blurb": "Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.", "source": "The CodeRanch Cattle Drive, Assignment 6", "source_url": "https://coderanch.com/wiki/718824/Grains" }