Compilare: user.cpp: In function ‘void alg()’: user.cpp:83:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(p = V(i)) ^ user.cpp:95:45: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(rez[c] == -1 || flag[c] && rez[c] > f) rez[c]=f,flag[c]=1; ^ user.cpp:8:26: warning: suggest parentheses around assignment used as truth value [-Wparentheses] #define V(i) vec[(i)%1001] ^ user.cpp:103:24: note: in expansion of macro ‘V’ } while(p = V(i)); ^ user.cpp: In function ‘void intro()’: user.cpp:32:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d", &n, &m, &k); ^ user.cpp:46:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a); ^ user.cpp:53:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d", &a, &b, &c); ^