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  1. long long fibonacci(int n) {
  2. if (n == 0) return 0;
  3. if (n == 1) return 1;
  4. return fibonacci(n - 1) + fibonacci(n - 2);
  5. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
Standard output is empty