Compilare: main.cpp: In function 'int main()': main.cpp:41:22: warning: operation on 'index' may be undefined [-Wsequence-point] 41 | fib[index++] = fib[index++] = 1; | ~~~~~^~ main.cpp:44:26: warning: operation on 'index' may be undefined [-Wsequence-point] 44 | fib[index++] = fib[index - 1] + fib[index - 2]; | ~~~~~^~ main.cpp:44:26: warning: operation on 'index' may be undefined [-Wsequence-point] main.cpp:44:26: warning: operation on 'index' may be undefined [-Wsequence-point] main.cpp:44:26: warning: operation on 'index' may be undefined [-Wsequence-point] main.cpp:80:47: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] 80 | lastElem = v[index - 1], currElem = v[index]; | ~~~~~~~~~^~~~~~~~~~