Compilare: user.cpp: In function ‘void lee_p()’: user.cpp:40:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y,ix,jx; ^ user.cpp: In function ‘void lee_s()’: user.cpp:59:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y,ix,jx; ^ user.cpp: In function ‘void lee_f()’: user.cpp:88:55: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (nuIese(ix,jx) && (a[x][y] || !a[x][y] && !a[ix][jx]) && !t[ix][jx]) { ^ user.cpp:78:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y,ix,jx; ^ user.cpp: In function ‘void citire()’: user.cpp:19:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:20:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&x); ^ user.cpp:23:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&x); ^ user.cpp:30:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] if (j==m) fscanf(f,"%c",&x); ^