Compilare: user.cpp: In function ‘bool ap(nod, nod, nod)’: user.cpp:34:39: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(a.x=w[o][j].x || a.y!=w[o][j].y) ^ user.cpp: In function ‘int main()’: user.cpp:22:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] #define fs(n) fscanf(f,"%I64d",&n) ^ user.cpp:49:5: note: in expansion of macro ‘fs’ fs(n); ^ user.cpp:23:34: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] #define fp(n) fprintf(g,"%I64d",n) ^ user.cpp:81:5: note: in expansion of macro ‘fp’ fp(mx); ^ user.cpp:62:9: warning: unused variable ‘nj’ [-Wunused-variable] int nj=n-1; ^ user.cpp:49:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(n); ^ user.cpp:53:16: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(a.x); ^ user.cpp:54:16: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(a.y); ^