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Diffstat (limited to 'challenge-117/abigail/java/ch-1.java')
| -rw-r--r-- | challenge-117/abigail/java/ch-1.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/challenge-117/abigail/java/ch-1.java b/challenge-117/abigail/java/ch-1.java new file mode 100644 index 0000000000..6a03391c2e --- /dev/null +++ b/challenge-117/abigail/java/ch-1.java @@ -0,0 +1,43 @@ +// +// See ../README.md +// + +// +// Run as: ln ch-1.java ch1.java; javac ch1.java; java ch1 < input-file +// + +import java.util.*; + +public class ch1 { + public static void main (String [] args) { + Scanner scanner = new Scanner (System . in); + int sum = 0; + int SUM_15 = 120; + try { + while (true) { + String line = scanner . nextLine (); + // + // Googling suggest Java has a gazillion methods to + // convert string to integers -- and they all crap + // out if the string starts with a number, and has + // anything trailing. None of them actually similate atoi. + // + // So, handrolling it is! + // + int i, n = 0; + for (i = 0; i < line . length (); i ++) { + if (line . charAt (i) < "0" . charAt (0) || + line . charAt (i) > "9" . charAt (0)) { + break; + } + n *= 10; + n += line . charAt (i) - "0" . charAt (0); + } + sum += n; + } + } + catch (Exception e) { + System . out . println (SUM_15 - sum); + } + } +} |