{"trustable":false,"prependHtml":"\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 async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"众所周知,字符 \u0027a\u0027 的ASCII码为97.现在,找出给定数组中出现了多少次 \u0027a\u0027 。注意,此处的数字为计算机中的32位整数。这表示,1个数字由四个字符组成(一个字符由8位二进制数组成)。"}},{"title":"Input","value":{"format":"HTML","content":"只有一组输入数据。第一个数为一个正整数N (1≤N≤100),随后有N个正整数ai (1≤ ai≤2^32 - 1)。"}},{"title":"Output","value":{"format":"HTML","content":"输出一行一个整数,表示数组中 \u0027a\u0027 出现的次数。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e3\n97 24929 100\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e3\u003c/pre\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"32\u003d 8,8,8,8"}}]}