Eroare de compilare: user.cpp:5:16: error: expression list treated as compound expression in initializer [-fpermissive] int euclid(a, b) { ^ user.cpp:5:16: warning: left operand of comma operator has no effect [-Wunused-value] user.cpp:5:18: error: expected ‘,’ or ‘;’ before ‘{’ token int euclid(a, b) { ^ user.cpp: In function ‘int main()’: user.cpp:17:31: error: ‘euclid’ cannot be used as a function printf("%d\n", euclid(a, b)); ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.in", "r", stdin); ^ user.cpp:12:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.out", "w", stdout); ^ user.cpp:14:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:16:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^