Laboratory work on s/s++
Massive structures, dynamic memory and files with direct access.The Target:
Develop an add-on for data preparation to be displayed on a column diagram.The histogram.Supplementary instructions:
Addition for building a table with the number of values on the straight stripes
The use:
a.exe [-] -f flNm -n number
where
-f flNm - the name of the file with a built-in table in a double format
-n number - number of cuts (number more than 0)
-v - the time of work and the number of rejected values.Two keys -f and -n are mandatory.You need to check their flNm parameters, number on the presence in the mass of arguments.
the command line (argv), the last on that the parameter is
Total positive value.The task:
Use the dynamic massive structure:
struct tblRec {int segment; int values};
tblRec * tbl = (tblRec*)malloc(sizeof(tblRec) * number);
where number is the positive number of scores set in the command line;
- From the standard entry to read the text file with the content
The same laboratory 2.1.
An indicator of the material value:
double * array = 0;
- Every read from the standard input value to be
Dynamically modified massive array (function - realloc);
Calculate the minimum and maximum value in the massive array.
- to determine a cut that contains all the values from the file;
Divide the cut into the number of semi-opened right-hand segments (i.e.
and the smaller cuts;
- fill in the tbl [number] table with the number of input values
the file that goes into the relevant segment;
- Extract the obtained table in a double form into the flNm file and in
The standard output
The file must be in the format.
1 3
4 6
3 8
as an example.It is also necessary to make a blockchaem to the program.
Applications 1
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