Compilare: user.cpp: In function ‘int main()’: user.cpp:98:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d",&a[i][j]); ^ user.cpp:94:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d%d%d",&n,&m,&l1,&c1,&l2,&c2); ^ user.cpp:98:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^