(I2
I115
I4
(dp0
Vsquares.%l
p1
(Vsquares_.cpp
p2
S'#include<iostream>\r\n#include<cmath>\r\nusing namespace std;\r\nlong long n, x, y, xx, yy, i, ans;\r\nint main()\r\n{\r\n    cin>>n;\r\n    for (i=1; i<=n; i++)\r\n    {\r\n        cin>>x>>y>>xx>>yy;\r\n        ans+=4*(abs(x-xx)*abs(y-yy));\r\n    }\r\n    cout<<ans<<endl;\r\n    return 0;\r\n}'
p3
tp4
stp5
.