{"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"你的任务还是计算每行数的和。"}},{"title":"Input","value":{"format":"HTML","content":"第一行有一个整数 $T$,表示有 $T$ 组数据,每组数据占一行。\n\n每行第一个数字是 $n$,表示接下来有 $n$ 个整数 $a_1, \\cdots, a_n$。你需要计算\n\n$$ \\sum_{i\u003d1}^n a_i \u003d a_1 + \\cdots + a_n $$"}},{"title":"Output","value":{"format":"HTML","content":"对于输入的每一行数,请分别对应输出每一行数的和(同样的第一个整数 $n$ 不用算进去)。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n4 1 2 3 4\n5 1 2 3 4 5"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e10\n15"}},{"title":"Hint","value":{"format":"HTML","content":"本题相关知识:输入输出和循环语句(for)的使用方式。"}}]}