*special problem,string suffix structures x11872 2094H La Vaca Saturno Saturnita binary search,brute force,math,number theory 1900x2499 2094G Chimpanzini Bananini data structures,implementation,math 1700x5224 2094F Trulimero Trulicina constructive algorithms ...
*special problem, binary search, brute force x2868 2095B Plinko *special problem, games, interactive x4958 2095A Piecing It Together *special problem, string suffix structures x11912 2094H La Vaca Saturno Saturnita binary search, brute force, math, number theory 1900 x2564...
题目链接:https://codeforces.com/problemset/problem/1439/B 解题思路:很容易想到和拓扑排序类似的思路,删点判断答案。关键在于如何判断度数为k-1的完全图,这个地方只需要再每次删点之前判断一下就好了 //#define LOCAL #include <bits/stdc++.h> using namespace std; #define ll long long #define mem(a,...
binary search dp *2200 Site https://codeforces.com/problemset/problem/1225/E 题面 Example Input1 1 1 . Output1 1 Input2 2 3 ... ..R Output2 0 Input3 4 4 ...R .RR. .RR. R... Output3 4 题目大意 给定n,mn,m,和一张长宽分别为n,mn,m的地图。⋅⋅代表可以通过,RR代表岩石...
宝藏左右最近的safecolumn,可以通过binary search求得。 注意,若最左边的宝藏就在safecolumn上,则其左右最近的safecolumn都是此列。 #include <iostream>#include<set>#include<vector>#include<algorithm>#include<queue>usingnamespacestd; typedeflonglongLL;intfindSafe(vector<int>& safes,intx){intl =0, r ...
[N]; set<long long> ans; int binary_search(int l, int r, int val) { while (r - l > 1) { if (nums[mid] <= val) { l = mid; }else { r = mid; } } return l; } // 离线查询,一次把所有能构成的k放入set当中 void prepare_ans(int l, int r) { if (l > r) return ...
Create 1760E-BinaryInversions.cpp Nov 29, 2022 1760F-Quests.cpp Create 1760F-Quests.cpp Nov 29, 2022 1760G-SlavicGsFavoriteProblem.cpp Create 1760G-SlavicGsFavoriteProblem.cpp Nov 29, 2022 1761A-TwoPermutations.cpp Create 1761A-TwoPermutations.cpp Nov 26, 2022 1761B-EliminationOfARing.cpp Cr...
1350B-OracAndModels.cpp 1351A-A+B_TrialProblem.cpp 1351B-Square.cpp 1351C-Skier.cpp 1352A-SumOfRoundNumbers.cpp 1352B-SameParitySummands.cpp 1352C-KthNotDivisibleByN.cpp 1352D-AliceBobAndCandies.cpp 1352E-SpecialElements.cpp 1352F-BinaryStringReconstruction.cpp ...
problem. In this version, it is guaranteed that r=l+k−1 for all queries. For an arbitrary array b , Yunli can perform the following operation any number of times: Select an index i . Set bi=x where x is any integer she desires (x is not limited to the interval [1,n] ). ...
// https://codeforces.com/problemset/problem/1100/E // 指定上下界 [l,r) searchRange := func(l, r int) int { return l + sort.Search(r-l, func(x int) bool { x += l // ... return false }) } searchRange64 := func(l, r int64, f func(int64) bool) int64...