Compilare: user.cpp: In function ‘int main()’: user.cpp:73:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(in,"%d%d",&n,&m); ^ user.cpp:73:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:77:38: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(in,"%d",&mat[i][j]); ^ user.cpp:72:9: warning: unused variable ‘x’ [-Wunused-variable] int x,y,xp1,yp1,xp2,yp2,i,j; ^ user.cpp:72:11: warning: unused variable ‘y’ [-Wunused-variable] int x,y,xp1,yp1,xp2,yp2,i,j; ^ user.cpp:73:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&n,&m); ^ user.cpp:74:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d",&xp1,&yp1,&xp2,&yp2); ^ user.cpp:77:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&mat[i][j]); ^