{"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":"七夕节前夕,石总还在调试他的机器人狗。\u003cbr\u003e\n已知狗现在的位置用数轴表示,坐标为 0,石总的编写的控制程序如下 :\u003cbr\u003e\n一共进行 t 轮训练,每次训练进行 k 次移动。\u003cbr\u003e\n机器狗第一次移动会向右移动 a 个单位,第二次会向左移动 b个单位,第三次向右移动 a个单位....如此不断重复直到 k 次移动结束。\u003cbr\u003e\n请求出每次训练执行 k 次移动后机器狗的位置。\u003cbr\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行输入一个整数t,表示有 t 次训练(1≤t≤1000)\u003cbr\u003e\n之后有 t 行输入,每行有 a,b ,k三个数(1≤a,b,k≤1,000,000,000)"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e对于每组数据,每行输出一个整数,代表机器狗当前的位置\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\n \u003cpre\u003e6\n1 1 1\n1 2 2\n1 1 3\n1 1 4\n1 1 5\n1 1 6\n\u003c/pre\u003e\n\n "}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e1\n-1\n1\n0\n1\n0\n\u003c/pre\u003e\n"}},{"title":"样例2","value":{"format":"HTML","content":"\u003cpre\u003e6\n5 2 3\n100 1 4\n1 10 5\n1000000000 1 6\n1 1 1000000000\n1 1 999999999\n\u003cpre\u003e"}},{"title":"输出2","value":{"format":"HTML","content":"\u003cpre\u003e\n8\n198\n-17\n2999999997\n0\n1\u003cpre\u003e"}}]}