round answer to 1 decimal place

0 reply content: this problem cannot be solved because of the binary floating point number. Let's first look at a phenomenon that has nothing to do with round: >>> Def show (x ):... "print a number, 20-bit precision """... print ('{:. 20f }'.

Reply content:Because binary floating-point numbers do not solve this problem. First look at a phenomenon that is unrelated to round: >>> def Show(x):... "" prints a number, 20-bit precision "" "... Print(' {:. 20f} '.format(x))...>>> Show(

Is the result of LUA calculation, you can see the result is very accurate. Is the result of Python3 calculation, you can see that the calculation results are inaccurate: The decimal calculation in JavaScript is not accurate, see this problem Why are

Numbers, cardinality and representations integerIntegers are these familiar numbers ...,-1, 0, +1, +2, .... Integer values are also referred to as ' complete ' and are divided into positive numbers (1 to infinity), negative numbers (-1 to

Codeforces Round #306 (Div. 2) (ABCE)   A. Two Substrings time limit per test 2 seconds memory limit per test 256 megabytes You are given stringS. Your task is to determine if the given stringSContains two non-overlapping substrings AB and BA (the

Codeforces Round #306 (Div. 2) (ABCE ), Match link: http://codeforces.com/contest/550 A. Two Substringstime limit per test2 secondsmemory limit per test256 megabytes You are given stringS. Your task is to determine if the given stringSContains

Emuskald is a avid horticulturist and owns the world's longest greenhouse-it is effectively infinite in length.Over the years Emuskald have cultivated n plants in he greenhouse, of m different plant species numbered from 1 to M. His greenhouse are

Codeforces Round #287 (Div. 2) A, B, C, D, E, A: sign-in questions. Just sort and judge the number of questions you can learn. B: You can move the 2 * r distance to the center of a circle in any direction. Therefore, the answer is ceil (two points/2/

Contents [Hide] 1 the Problem 2 Primer on Financial Issues 3 introducing BigDecimal 4 rounding and Scalin 5 immutability and Arithm Etic 6 Comparison 7 "to" Round:thoughts on Precision 8 Appendix 8.1 API Reference 8.2 ofbiz Framework 8.3 Minilang

PHP floating point usage and problem summary. There are many floating point number processing functions in php, including ceil, floor, round, and intval. after they are processed, they can return the expected floating point decimal places, next I