diff --git a/1844-replace-all-digits-with-characters/1844-replace-all-digits-with-characters.c b/1844-replace-all-digits-with-characters/1844-replace-all-digits-with-characters.c
new file mode 100644
index 0000000..96e15e3
--- /dev/null
+++ b/1844-replace-all-digits-with-characters/1844-replace-all-digits-with-characters.c
@@ -0,0 +1,7 @@
+char * replaceDigits(char * s){
+    int len = strlen(s);
+    for (int i = 1; i < len; i += 2) {
+        s[i] = s[i - 1] + (s[i] - '0');
+    }
+    return s;
+}
\ No newline at end of file