1.1 Programming Basics Input and OUTPUT-05: Output floating-point numbers that retain 12 decimal places

05: The output retains 12 decimal places floating point number

Total time limit:

1000ms

Memory Limit:

65536kB

Describe

Reads a double-precision floating-point number, retains 12 decimal places, and outputs the floating-point number.

Input

Only one row, a double-precision floating-point number.

Output

There is also only one row that retains a floating-point number of 12 decimal places.

Sample input

3.1415926535798932

Sample output

3.141592653580

#include <stdio.h>int main () {        double i;        scanf ("%lf", &i);        printf ("%.12f", I);       return 0;}

　　

1.1 Programming Basics Input and OUTPUT-05: Output floating-point numbers that retain 12 decimal places