Compilare: user.cpp: In function ‘int main()’: user.cpp:41:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long int*’ [-Wformat=] scanf("%d%d",&n,&m); ^ user.cpp:41:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] user.cpp:44:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long int*’ [-Wformat=] scanf("%d",&a[i][j]); ^ user.cpp:41:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:44:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^