Compilare: user.cpp: In function ‘double get_double()’: user.cpp:15:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(; (c = getchar()) > 47 && c < 58; power *= 10) ^~~ user.cpp:19:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ integerPart += fractionalPart / power; ^~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:27:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aria.in", "r", stdin); ^ user.cpp:28:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aria.out", "w", stdout); ^