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| author | Zhineng Li <[email protected]> | 2026-01-10 16:37:39 +0800 |
|---|---|---|
| committer | Zhineng Li <[email protected]> | 2026-01-10 16:37:39 +0800 |
| commit | 49891f6bce29843f503b437c84d83cb787ecfa87 (patch) | |
| tree | 50bd44422a907b869a6d4839df436f37a35be36d /ch01/ex09-copy.c | |
| download | c-knr-exercises-49891f6bce29843f503b437c84d83cb787ecfa87.tar.gz c-knr-exercises-49891f6bce29843f503b437c84d83cb787ecfa87.zip | |
first commit
Diffstat (limited to 'ch01/ex09-copy.c')
| -rw-r--r-- | ch01/ex09-copy.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/ch01/ex09-copy.c b/ch01/ex09-copy.c new file mode 100644 index 0000000..2303b83 --- /dev/null +++ b/ch01/ex09-copy.c @@ -0,0 +1,21 @@ +#include <stdio.h> + +/* merge consecutive blanks */ +int main() +{ + int c, b; + + b = 0; + while ((c = getchar()) != EOF) { + if (c != ' ') { + putchar(c); + b = 0; + } + + if (c == ' ') { + if (b == 0) + putchar(c); + b = 1; + } + } +} |