{"trustable":false,"prependHtml":"\u003cstyle type\u003d\u0027text/css\u0027\u003e\n .input, .output {\n border: 1px solid #888888;\n }\n .output {\n margin-bottom: 1em;\n position: relative;\n top: -1px;\n }\n .output pre, .input pre {\n background-color: #EFEFEF;\n line-height: 1.25em;\n margin: 0;\n padding: 0.25em;\n }\n \u003c/style\u003e\n \u003clink rel\u003d\"stylesheet\" href\u003d\"//codeforces.org/s/96598/css/problem-statement.css\" type\u003d\"text/css\" /\u003e\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003e帥字是一位大電神,嘻嘻。\u003c/p\u003e\n\u003cp\u003e因為他太電了,他的學校決定蓋一面側面為正方形的「帥字之牆」記錄他的得獎事蹟,嘻嘻。\u003c/p\u003e\n\u003cp\u003e給你牆的邊長,請觀察範例測資,輸出牆的模樣,嘻嘻。\u003c/p\u003e"}},{"title":"INPUT","value":{"format":"HTML","content":"\u003cp\u003e輸入包含一整數\u003cb\u003ec\u003c/b\u003e(1 ≤ \u003cb\u003ec\u003c/b\u003e ≤ 1000),為牆的邊長。\u003c/p\u003e"}},{"title":"OUTPUT","value":{"format":"HTML","content":"\u003cp\u003e輸出的第一行為牆上字元「C」出現的數量。接下來請輸出\u003cb\u003ec\u003c/b\u003e行,為邊長為\u003cb\u003ec\u003c/b\u003e的牆的模樣。\u003c/p\u003e"}},{"title":"SAMPLE INPUT 1","value":{"format":"HTML","content":"\u003cpre\u003e2\n\u003c/pre\u003e"}},{"title":"SAMPLE OUTPUT 1","value":{"format":"HTML","content":"\u003cpre\u003e2\nC.\n.C\n\u003c/pre\u003e"}},{"title":"SAMPLE INPUT 2","value":{"format":"HTML","content":"\u003cpre\u003e5\n\u003c/pre\u003e"}},{"title":"SAMPLE OUTPUT 2","value":{"format":"HTML","content":"\u003cpre\u003e13\nC.C.C\n.C.C.\nC.C.C\n.C.C.\nC.C.C\n\u003c/pre\u003e"}}]}