fix bug that fails during file creation (#33)
fix bug that fails during file creation (#33)


kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/ToolsForAtCoder,kyuridenamida/ToolsForAtCoder,kyuridenamida/atcoder-tools