Eroare de compilare: user.cpp: In function ‘void read()’: user.cpp:38:30: error: ‘in’ was not declared in this scope if(i != j && in[i][k] && in[k][j] && v[i][j] > v[i][k] + v[k][j]) ^ user.cpp:30:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:33:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i][j]); ^