{"trustable":true,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n #problem-body \u003e pre {\n display: block;\n padding: 9.5px;\n margin: 0 0 10px;\n font-size: 13px;\n line-height: 1.42857143;\n word-break: break-all;\n word-wrap: break-word;\n color: #333;\n background: rgba(255, 255, 255, 0.5);\n border: 1px solid #ccc;\n border-radius: 6px;\n }\n\u003c/style\u003e\n","sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv id\u003d\"problem-body\"\u003e\n\t\u003cp\u003eYou are given a sequence A of N (N \u0026lt;\u003d 50000) integers between -10000 and 10000. On this sequence you have to apply M (M \u0026lt;\u003d 50000) operations: \u003cbr\u003e\r\nmodify the i-th element in the sequence or for given x y print max{Ai + Ai+1 + .. + Aj | x\u0026lt;\u003di\u0026lt;\u003dj\u0026lt;\u003dy }.\r\n\u003c/p\u003e\u003ch3\u003eInput\u003c/h3\u003e\r\n\u003cp\u003eThe first line of input contains an integer N. The following line contains N integers, representing the sequence A1..AN. \u003cbr\u003e\r\nThe third line contains an integer M. The next M lines contain the operations in following form:\u003cbr\u003e\r\n0 x y: modify Ax into y (|y|\u0026lt;\u003d10000).\u003cbr\u003e\r\n1 x y: print max{Ai + Ai+1 + .. + Aj | x\u0026lt;\u003di\u0026lt;\u003dj\u0026lt;\u003dy }.\u003cbr\u003e\r\n\u003c/p\u003e\u003ch3\u003eOutput\u003c/h3\u003e\r\n\u003cp\u003eFor each query, print an integer as the problem required.\r\n\u003c/p\u003e\u003ch3\u003eExample\u003c/h3\u003e\r\n\r\n\u003cdiv\u003e\u003ctable class\u003d\"vjudge_sample\"\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e4\r\n1 2 3 4\r\n4\r\n1 1 3\r\n0 3 -3\r\n1 2 4\r\n1 3 3\r\n\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e6\r\n4\r\n-3\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e\r\n\n\u003c/div\u003e"}}]}