Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import <bits/stdc++.h> ^~~~~~ main.cpp: In function 'int f()': main.cpp:11:95: warning: no return statement in function returning non-void [-Wreturn-type] main.cpp: In function 'int main()': main.cpp:12:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:12:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]