Compilare: user.cpp: In function ‘int main()’: user.cpp:60:55: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[i&1][p2+v[j][1]][p5+v[j][2]][j]=d[1-i&1][p2][p5][j]; ^ user.cpp:68:17: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[1-i&1][p2][p5][j]=0; ^ user.cpp:8:38: warning: unused variable ‘x’ [-Wunused-variable] int n,p,i,nr,m,con2,con5,p2,p5,j,x; ^ user.cpp:13:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %c %d" ,&n,&semn,&p); ^