C - 1, 2, 3 - Decomposition 题解(思维+分治) 题目链接 题目思路 这个题目好玄学感觉是分治+爆搜的题目 建议直接看官方题解 分治秒的一批 代码 #include<bits/stdc++.h> #define fi first #define se second #define debug cout<<"I AM HERE"<<endl; using namespace std; typedef long long ll; ...
typedef long long ll; const int maxn=2e5+5,inf=0x3f3f3f3f,mod=1e9+7; const double eps=1e-6; ll n; unordered_map<ll,int> mp; int cal(ll n){ if(mp.count(n)) return mp[n]; int ans=-1; for(int k=1;k<=n;k++){ for(int i=k;i<=3*k;i++){ if((n-i)%10==...
llans=1e9+7; while(!flag){有答案则退出 llnum=0;///答案 flag=1; for(inti=20;i>=0;i--){ if(a[i]<num){/// 如果该位置的数小于分的组数 a[i]+=10;/// 找前面借一位 a[i+1]--; flag=0;///接为了,就说明我们得在去判断一下 break; } num=max(num,(a[i]+2)/3);///...
Given is a positive integer N. Consider a sequence of integers A=(A1,…,AK) that satisfies the conditions below: ∑Ki=1Ai=N; each Ai is a positive integer such that every digit in its decimal notation is 1, 2, or 3. Find the minimum possible value of K, that is, the number of...
A repetition of the whole experiment with about one third decomposition gave a density change of (4±0'5) x 10-6 • Repeated readings were made on the set points. Cb3in5TCohIm3e7iCmaIl3oflareencqudulaeCrn3cs7ypCeldc, iieasstrreCib3pu6rCteilo"sneCn(t3!5C+alc.!"c7)oC'rlxd, i1...
The decomposition of SiH/sub 4/ by infrared radiation from a pulsed CO/sub 2/ TEA laser at 944.19 cm/sup -1/ has been studied in the pressure range of 10 t... PA Longeway,FW Lampe - 《Journal of the American Chemical Society》 被引量: 122发表: 1981年 Multiphoton ionization a...
Smog chamber/FTIR techniques were used to study the atmospheric fate of n-CxF2x+1C(O) (x = 1, 2, 3, 4) radicals in 700 Torr O2/N2 diluent at 298 ± 3 K. A competition is observed between reaction with O2 to form n-CxF2x+1C(O)O2 radicals and decomposition to form n-CxF2x...
Decomposition of kyanite and solubility of Al2O3 in stishovite at high pressure and high temperature conditions. Phys Chem Miner , 2006 , 33: 711 -721 CrossRef ADS Google Scholar [30] Liu X, Ohfuji H, Nishiyama N, He Q, Sanehira T, Irifune T. High- P behavior of anorthite ...
is decomposition via C-O bond scission leading to the formation of H(O)COCH2OC(O)H (methylene glycol diformate). The IR spectrum of the peroxynitrate (c-C3H5O3)O2NO2 is presented. The results are discussed with respect to the atmospheric chemistry of 1,3,5-trioxane. 展开 ...
[ARC123C]1, 2, 3 - Decomposition,什么时候,连这种简单的性质分析也不会了。数学其颓乎!数论其坏乎!线代其萎乎!...