Compilare: user.cpp: In function ‘void solve()’: user.cpp:7:9: warning: unused variable ‘v’ [-Wunused-variable] int v[102]; ^ user.cpp:8:9: warning: unused variable ‘got’ [-Wunused-variable] int got[102]; ^ user.cpp:20:19: warning: unused variable ‘result’ [-Wunused-variable] long long int result; ^ user.cpp: In function ‘int main()’: user.cpp:38:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aurel.in","r",stdin); ^ user.cpp:39:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aurel.out","w",stdout); ^