{"trustable":false,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n section 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\u003cscript\u003e\n window.katexOptions \u003d {\n delimiters: [\n {left: \u0027\\\\(\u0027, right: \u0027\\\\)\u0027, display: false},\n {left: \u0027\\\\[\u0027, right: \u0027\\\\]\u0027, display: true}\n ]\n };\n\u003c/script\u003e\n","sections":[{"title":"Problem Statement","value":{"format":"HTML","content":"\u003csection\u003e\n \u003cp\u003eGiven is a sequence of length \u003cvar\u003e\\(N\\)\u003c/var\u003e: \u003cvar\u003e\\(A\u003d(A_1,A_2,\\ldots,A_N)\\)\u003c/var\u003e, and an integer \u003cvar\u003e\\(K\\)\u003c/var\u003e.\u003c/p\u003e\n \u003cp\u003eHow many of the subarrays of \u003cvar\u003e\\(A\\)\u003c/var\u003e have the sum of \u003cvar\u003e\\(K\\)\u003c/var\u003e?\u003c/p\u003e"}},{"title":"Constraints","value":{"format":"HTML","content":"\u003csection\u003e\n \u003cul\u003e\n \u003cli\u003e\u003cvar\u003e\\(1\\leq N \\leq 2\\times 10^5\\)\u003c/var\u003e\u003c/li\u003e\n \u003cli\u003e\u003cvar\u003e\\(|A_i| \\leq 10^9\\)\u003c/var\u003e\u003c/li\u003e\n \u003cli\u003e\u003cvar\u003e\\(|K| \\leq 10^{15}\\)\u003c/var\u003e\u003c/li\u003e\n \u003cli\u003eAll values in input are integers.\u003c/li\u003e\n \u003c/ul\u003e\n\u003c/section\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003csection\u003e\n First line contains the numbers $N,K$. The second line contains the array $A$.\n\u003c/section\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003csection\u003e\n \u003cp\u003ePrint the answer.\u003c/p\u003e\n\u003c/section\u003e"}},{"title":"Sample 1","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\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\u003e6 5\n8 -3 5 7 0 -4\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e3\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003csection\u003e\n\u003c/section\u003e\u003csection\u003e\n \u003cp\u003e\u003cvar\u003e\\((l,r)\u003d(1,2),(3,3),(2,6)\\)\u003c/var\u003e are the three pairs that satisfy the conditions.\u003c/p\u003e\n\u003c/section\u003e"}},{"title":"Sample 2","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\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\u003e2 -1000000000000000\n1000000000 -1000000000\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e0\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003csection\u003e\n\u003c/section\u003e\u003csection\u003e\n \u003cp\u003eThere may be no pair that satisfies the conditions.\u003c/p\u003e\n\u003c/section\u003e"}}]}