(I2
I144
I4
(dp0
Vsquares.%l
p1
(Vsquares.cpp
p2
S"# include <bits/stdc++.h>\r\nusing namespace std;\r\n# define fi cin\r\n# define fo cout\r\n# define x first\r\n# define y second\r\nstruct square\r\n{\r\n    pair < int , int > d[4];\r\n};\r\nsquare s[55];\r\nbitset < 555 > matr[555];\r\nint main(void)\r\n{\r\n    int n;\r\n    fi>>n;\r\n    bool ok = 1;\r\n    for (int i = 1;i <= n;++i)\r\n    {\r\n        int a,b,c,d;\r\n        fi>>a>>b>>c>>d;\r\n        int dx = a - c;\r\n        int dy = b - d;\r\n        int N = -1;\r\n        for (int k = 0;k < 4;++k)\r\n                {\r\n                    c += dx - dy;\r\n                    d += dx + dy;\r\n                    s[i].d[k] = {c + 200,d + 200};\r\n                    dx = a - c;\r\n                    dy = b - d;\r\n                }\r\n        for (int k = 0;k < 4;++k)\r\n            ok &= s[i].d[k].x == s[i].d[(k+1)%4].x || s[i].d[k].y == s[i].d[(k+1)%4].y;\r\n    }\r\n    if (ok)\r\n    {\r\n        for (int i = 1;i <= n;++i)\r\n        {\r\n            int cntx = -1e9,cnty = -1e9;\r\n            int cx = 1e9,cy = 1e9;\r\n            for (int k = 0;k < 4;++k)\r\n                cntx = max(cntx,s[i].d[k].x),cx = min(cx,s[i].d[k].x),cnty = max(cnty,s[i].d[k].y),cy = min(cy,s[i].d[k].y);\r\n            for (int k = cx;k <= cntx;++k)\r\n                for (int l = cy;l <= cnty;++l)\r\n                    matr[k][l] = 1;\r\n        }\r\n    }\r\n    else assert(0);\r\n    int ans = 0;\r\n    for (int i = 0;i <= 500;++i)\r\n        for (int j = 0;j <= 500;++j)\r\n            ans += matr[i][j];\r\n    return fo << ans << '\\n',0;\r\n}\r\n"
p3
tp4
stp5
.