The difference in string and char[], readf() and scanf()
Dennis Ritchie via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Sat Mar 21 01:37:58 PDT 2015
Hi,
Tell me, please, why this code works correctly always:
import std.stdio;
int n;
readf("%s\n", &n);
string s, t;
readf("%s\n%s\n", &s, &t);
And this code works correctly is not always:
import std.stdio;
readf("%s\n", &n);
char[200010] s, t;
scanf("%s%s", s.ptr, t.ptr);
Data is entered only in this format (n - the length of strings
str1 and str2, 1 <= n <= 200000; only lowercase letters):
n
str1
str2
For example:
5
cater
doger
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