{"trustable":false,"sections":[{"title":"Sample","value":{"format":"MD","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e3\n20\n30.091\n87.0921\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003eCase 1: 343.36\nCase 2: 777.26\nCase 3: 6511.05\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Note","value":{"format":"MD","content":"This problem doesn\u0027t have a special judge. So, precision problems could occur. Better to add a small value to your result to avoid this. For example, add **10\u003csup\u003e-9\u003c/sup\u003e** to your result.\n\nMore about [rounding errors](https://en.wikipedia.org/wiki/Round-off_error)."}}]}