Eroare de compilare: user.cpp:5:21: error: expected initializer before ‘d’ long long n, a[505] d[505][505]; ^ user.cpp: In function ‘int main()’: user.cpp:10:12: error: ‘a’ was not declared in this scope f>>a[i]; ^ user.cpp:17:13: error: ‘d’ was not declared in this scope d[i][j]=2000000000; ^ user.cpp:19:54: error: ‘a’ was not declared in this scope d[i][j]=min(d[i][j], d[i][k]+d[k][j]+a[i]*a[k]*a[j]); ^ user.cpp:21:8: error: ‘d’ was not declared in this scope g<<d[1][n+1]; ^