https://blog.youkuaiyun.com/ADjkyzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/ADjky/article/details/143826429https://blog.youkuaiyun.com/ADjky/article/details/143826429ADjkySun, 17 Nov 2024 02:01:26 +0800https://blog.youkuaiyun.com/ADjky/article/details/132993659https://blog.youkuaiyun.com/ADjky/article/details/132993659ADjkyWed, 31 Aug 2022 10:01:00 +0800https://blog.youkuaiyun.com/ADjky/article/details/132993658https://blog.youkuaiyun.com/ADjky/article/details/132993658ADjkyWed, 22 Sep 2021 15:13:00 +0800https://blog.youkuaiyun.com/ADjky/article/details/133043589https://blog.youkuaiyun.com/ADjky/article/details/133043589ADjkyFri, 17 Sep 2021 16:09:00 +0800https://blog.youkuaiyun.com/ADjky/article/details/132993657https://blog.youkuaiyun.com/ADjky/article/details/132993657ADjkyThu, 16 Sep 2021 16:18:00 +0800https://blog.youkuaiyun.com/ADjky/article/details/132993656https://blog.youkuaiyun.com/ADjky/article/details/132993656ADjkyWed, 15 Sep 2021 10:03:00 +0800https://blog.youkuaiyun.com/ADjky/article/details/120289511https://blog.youkuaiyun.com/ADjky/article/details/120289511ADjkyTue, 14 Sep 2021 16:31:06 +0800https://blog.youkuaiyun.com/ADjky/article/details/120289087https://blog.youkuaiyun.com/ADjky/article/details/120289087ADjkyTue, 14 Sep 2021 15:49:34 +0800https://blog.youkuaiyun.com/ADjky/article/details/80149621https://blog.youkuaiyun.com/ADjky/article/details/80149621ADjkyMon, 30 Apr 2018 15:24:44 +0800https://blog.youkuaiyun.com/ADjky/article/details/79787926https://blog.youkuaiyun.com/ADjky/article/details/79787926ADjkyMon, 02 Apr 2018 13:22:19 +0800https://blog.youkuaiyun.com/ADjky/article/details/79750303https://blog.youkuaiyun.com/ADjky/article/details/79750303ADjkyThu, 29 Mar 2018 22:21:24 +0800https://blog.youkuaiyun.com/ADjky/article/details/79750278https://blog.youkuaiyun.com/ADjky/article/details/79750278ADjkyThu, 29 Mar 2018 22:19:14 +0800https://blog.youkuaiyun.com/ADjky/article/details/79679541https://blog.youkuaiyun.com/ADjky/article/details/79679541ADjkySat, 24 Mar 2018 16:56:42 +0800https://blog.youkuaiyun.com/ADjky/article/details/79182185https://blog.youkuaiyun.com/ADjky/article/details/79182185ADjkySat, 27 Jan 2018 18:15:19 +0800https://blog.youkuaiyun.com/ADjky/article/details/79121254https://blog.youkuaiyun.com/ADjky/article/details/79121254ADjkySun, 21 Jan 2018 17:00:17 +0800 vec; templateclass T> T read() { T x = 0, f = 1;]]>https://blog.youkuaiyun.com/ADjky/article/details/78679090https://blog.youkuaiyun.com/ADjky/article/details/78679090ADjkyThu, 30 Nov 2017 18:03:47 +0800 using namespace std; typedef long long ll; typedef vector VI;const int N = 1000050; const ll mod = 1e9 + 7;template T read() { T x = 0, f = 1; char ch = getch]]>https://blog.youkuaiyun.com/ADjky/article/details/78629135https://blog.youkuaiyun.com/ADjky/article/details/78629135ADjkyFri, 24 Nov 2017 23:10:19 +0800 (2x+a)2=a2−4b(modp)(2x+a)^2=a^2-4b(mod p) 所以有解的话a^2-4*b是模p的二次剩余, 此时设t^2 = a^2-4*b(mod p) 则2*x+a=t(mod p) 因为gcd(2, p) = 1, 扩展欧几里得定理可得一定有解 #include using]]>https://blog.youkuaiyun.com/ADjky/article/details/78467694https://blog.youkuaiyun.com/ADjky/article/details/78467694ADjkyTue, 07 Nov 2017 14:33:22 +0800https://blog.youkuaiyun.com/ADjky/article/details/78395776https://blog.youkuaiyun.com/ADjky/article/details/78395776ADjkyMon, 30 Oct 2017 18:22:01 +0800=0)\sum_{i = 1} ^m a_i = n(a_i >= 0) 且使 a1 or a2 or a3 … or am最小题解1.对于任意i in [1, m] a1 or a2 or a3 … or am >= ai 当n % m == 0时]]>https://blog.youkuaiyun.com/ADjky/article/details/78208089https://blog.youkuaiyun.com/ADjky/article/details/78208089ADjkyWed, 11 Oct 2017 20:38:56 +0800