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1 2 3 5\n6 0 10 4\n2 1 8 3<\/pre>\n\n\n\n
17<\/pre>\n\n\n\n
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\u3010\u4ee3\u7801\u793a\u4f8b\u3011<\/p>\n\n\n\n#include <bits\/stdc++.h>\nusing namespace std;\n\nstruct ad {\n\tint x1, y1, x2, y2;\n} a, b, c;\n\nint area(ad a, ad c) {\n\tint m_a = (a.x2 - a.x1) * (a.y2 - a.y1);\n\tint m_c = (c.x2 - c.x1) * (c.y2 - c.y1);\n\tif (c.x1 < a.x1 && c.y1 < a.y1 && c.x2 > a.x2 && c.y2 > a.y2) {\n\t\tm_a = 0;\n\t} else if (c.x1 > a.x1 && c.y1 > a.y1 && c.x2 < a.x2 && c.y2 < a.y2) {\n\t\tm_a -= m_c;\n\t} else if (c.x1 > a.x2) {\n\t\t\/\/\u53f3\u4fa7\n\t} else if (c.x2 < a.x1) {\n\t\t\/\/\u5de6\u4fa7\n\t} else if (c.y2 < a.y1) {\n\t\t\/\/\u4e0b\u65b9\n\t} else if (c.y1 > a.y2) {\n\t\t\/\/\u4e0a\u65b9\n\t} else {\n\t\tm_a -= (min(a.x2, c.x2) - max(a.x1, c.x1)) * (min(a.y2, c.y2) - max(a.y1, c.y1));\n\t}\n\treturn m_a;\n}\n\nint main() {\n\tcin >> a.x1 >> a.y1 >> a.x2 >> a.y2;\n\tcin >> b.x1 >> b.y1 >> b.x2 >> b.y2;\n\tcin >> c.x1 >> c.y1 >> c.x2 >> c.y2;\n\tcout << area(a, c) + area(b, c) << endl;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"