Compilare: user.cpp: In function ‘int main()’: user.cpp:13:21: warning: unused variable ‘ma’ [-Wunused-variable] int n, m, i, j, ma, mi, p; ^~ user.cpp:13:25: warning: unused variable ‘mi’ [-Wunused-variable] int n, m, i, j, ma, mi, p; ^~ user.cpp:13:29: warning: unused variable ‘p’ [-Wunused-variable] int n, m, i, j, ma, mi, p; ^ user.cpp:10:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "cmlsc.in", "r", stdin ); ^ user.cpp:11:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "cmlsc.out", "w", stdout ); ^ user.cpp:15:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d", &n, &m ); ^ user.cpp:16:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for ( i = 1; i <= n; ++i ) scanf( "%d", &A[ i ] ); ^ user.cpp:17:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for ( i = 1; i <= m; ++i ) scanf( "%d", &B[ i ] ); ^