Compilare: user.cpp: In function ‘int main()’: user.cpp:45:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short int*’ [-Wformat=] scanf("%d",&mat[i][j]); ^ user.cpp:40:9: warning: unused variable ‘x’ [-Wunused-variable] int x; ^ user.cpp:38:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.in","r",stdin); ^ user.cpp:39:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.out","w",stdout); ^ user.cpp:41:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:45:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&mat[i][j]); ^ user.cpp: In function ‘int mn(int)’: user.cpp:34:12: warning: ‘jminim’ may be used uninitialized in this function [-Wmaybe-uninitialized] return jminim; ^ user.cpp: In function ‘int main()’: user.cpp:49:17: warning: ‘jminim’ may be used uninitialized in this function [-Wmaybe-uninitialized] jmin = mn(2); ^