diff options
Diffstat (limited to 'challenge-199/deadmarshal/d/ch1.d')
| -rw-r--r-- | challenge-199/deadmarshal/d/ch1.d | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/challenge-199/deadmarshal/d/ch1.d b/challenge-199/deadmarshal/d/ch1.d new file mode 100644 index 0000000000..1e552b09d5 --- /dev/null +++ b/challenge-199/deadmarshal/d/ch1.d @@ -0,0 +1,21 @@ +import std.stdio:writeln; + +int good_pairs(int[] arr) +{ + int count = 0; + for(size_t i = 0; i < arr.length; ++i) + for(size_t j = i+1; j < arr.length; ++j) + if(arr[i] == arr[j]) count++; + return count; +} + +void main() +{ + int[] a1 = [1,2,3,1,1,3]; + int[] a2 = [1,2,3]; + int[] a3 = [1,1,1,1]; + writeln(good_pairs(a1)); + writeln(good_pairs(a2)); + writeln(good_pairs(a3)); +} + |