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Results tagged with popularity-contest
Search options not deleted
user 16385
A popularity-contest is a competition where the answer with the highest vote tally (upvotes minus downvotes) wins. As these are frequently closed, read the tag info and post your challenge to the sandbox first.
48
votes
Weirdest way to produce a stack overflow
C++ at compile time
template <unsigned N>
struct S : S<N-1> {};
template <>
struct S<0> {};
template
struct S<-1>;
$ g++ -c test.cc -ftemplate-depth=40000
g++: internal compiler error: Segmentat …
- 3,674
17
votes
Call a method without calling it
GNU C
#include <stdio.h>
#include <stdlib.h>
void hello_world() {
puts(__func__);
exit(0);
}
int main() {
goto *&hello_world;
}
This is very direct, but is certainly not a call to hello_wor …
- 3,674
108
votes
Accepted
Call a method without calling it
C
#include <stdio.h>
int puts(const char *str) {
fputs("Hello, world!\n", stdout);
}
int main() {
printf("Goodbye!\n");
}
When compiled with GCC, the compiler replaces printf("Goodbye!\n") wi …
- 3,674
3
votes
"Creative" ways to determine if an array is sorted
C
As a binary search only works on sorted arrays, to check if an array is sorted, all we need to do is verify that a binary search works for all elements of the array. If it fails to find any element …
- 3,674
21
votes
Execute prints backwards
C
Trying to make defiance of the tips in the question as creative as possible:
#include <stdio.h>
#define print if (i == __LINE__) puts
static unsigned i;
int main(void) {
while (--i) {
print( …
- 3,674
40
votes
Code Romanization
C
There are only so many Roman numerals, since 4000 and higher have no standard notation, and the preprocessor is a wonderful decompression tool, especially if you have no problems with the fact that …
- 3,674