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include/core.h

@@ -0,0 +1,16 @@
+#ifndef CORE_H
+#define CORE_H
+
+__extension__ typedef __int128 int128_t;
+__extension__ typedef unsigned __int128 uint128_t;
+
+// Read 128 bit integers as string
+int read_int128_triplet(const char* prompt, int128_t* a, int128_t* b, int128_t* c);
+
+// Convert the read string into 128 bit integers
+int128_t str_to_int128(const char* s);
+
+// Print 128 but integers
+void print_int128(int128_t n);
+
+#endif