diff options
Diffstat (limited to 'others/easy20160714/14.c')
-rw-r--r-- | others/easy20160714/14.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/others/easy20160714/14.c b/others/easy20160714/14.c new file mode 100644 index 0000000..fa103ab --- /dev/null +++ b/others/easy20160714/14.c @@ -0,0 +1,28 @@ +#include <stdio.h> + +int main() +{ + FILE *f = fopen("INP.TXT", "r"); + short n, i, a, b[10000] = {[0 ... 9999] = -1}; + + fscanf(f, "%hd", &n); + + for (i = 0; i < n; i++) { + fscanf(f, "%hd", &a); + b[a - 1]++; + } + + fclose(f); + + f = fopen("OUT.TXT", "w"); + + for (i = 0; i < n; i++) + if (!b[i]) { + fprintf(f, "%hd\n", i + 1); + break; + } + + fclose(f); + + return 0; +} |