Compilare: user.cpp: In function ‘int inmultire_matrici(int (*)[4], int (*)[4], int)’: user.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int rpl(int)’: user.cpp:50:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:54:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri.in", "r", stdin ); ^ user.cpp:55:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri.out", "w", stdout ); ^ user.cpp:59:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &t ); ^ user.cpp:63:58: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d%d%d%d%d%d", &x, &y, &z, &a, &b, &c, &n ); ^