#include <cstdio>
#include <cstdlib> //
#include <iostream>
using namespace std;
/****************************************************************
*
* : 'atof' 'gets'
* , .
* : 16/05/2010
*
****************************************************************/
int main(){
char str1[80], str2[80]; /* 2 */
double result; /* */
puts (" This program will multiply two floating point numbers .");
/* */
puts (" Please enter the first number .");
gets( str1 );
puts (" And the second.");
gets( str2 );
/* */
result = atof( str1 ) * atof( str2 );
/* -> : 8 (2 ) */
printf("Answer is %8.2f\n ", result );
/* */
getchar();
return 0;
}
: , , , .
7.
# include <string>
#include <cstdio>
#include <cstdlib> //
int main(){
//
char str[255];
// - 256
const int size_counter = 256;
// -
int counter[size_counter] = {0};
int i;
puts ("Enter a string:");
gets (str);
// str -
for (i = 0; str[i]; i++)
// str[i] - i-
// 1
counter[str[i]]++;
/* */
for(i = 0; i < size_counter; i++)
//
if(counter[i])
// %3c - , %d -
printf("%3c - %d\n", i,counter[i]);
gets(str);
return 0;
}
,
:
, .
(getchar()) .
isdigit(sym).
8.
//
#include <cstdio>
int main (){
FILE *f; //
char sym; //
// "tenlines.txt"
f = fopen ("tenlines.txt","wt");
do {
//
sym = getchar ();
|
|
//
putc (sym,f);
} while (sym!= '\n'); // ENTER ('\n')
fclose (f);
return 0;
}
: tenlines.txt