Add solved exercises

2 files changed, 22 insertions, 0 deletions

diff --git a/c/rna-transcription/src/rna_transcription.c b/c/rna-transcription/src/rna_transcription.c
new file mode 100644
index 0000000..2328f72
--- /dev/null
+++ b/c/rna-transcription/src/rna_transcription.c
@@ -0,0 +1,16 @@
+#include "rna_transcription.h"
+#include <string.h>
+#include <stdlib.h>
+
+char *to_rna(const char *dna) {
+    size_t len = strlen(dna);
+    char *rna = calloc(len + 1, sizeof(*rna));
+    for (size_t idx = 0; idx < len; idx++)
+        switch (dna[idx]) {
+        case 'G': rna[idx] = 'C'; break;
+        case 'C': rna[idx] = 'G'; break;
+        case 'T': rna[idx] = 'A'; break;
+        case 'A': rna[idx] = 'U'; break;
+        }
+    return rna;
+}
diff --git a/c/rna-transcription/src/rna_transcription.h b/c/rna-transcription/src/rna_transcription.h
new file mode 100644
index 0000000..af10db9
--- /dev/null
+++ b/c/rna-transcription/src/rna_transcription.h
@@ -0,0 +1,6 @@
+#ifndef RNA_TRANSCRIPTION_H
+#define RNA_TRANSCRIPTION_H
+
+char *to_rna(const char *dna);
+
+#endif