q = unique(b +1, b +1+ n) - b -1;for(inti =1; i <= n ; ++i){ a[i] = lower_bound(b +1, b +1+ n, a[i]) - b; }for(inti =1; i <= n ; ++i) ++c[a[i]]; dfs(1,0);for(inti =1; i <= n ; ++i) sum[i] += sum[i -1];intans =0;for(inti =...
代码 #include<bits/stdc++.h>#defineLLlonglongusingnamespacestd;constintN=2e5;intn;inta[N+10],par[N+10],in[N+10],out[N+10],timeTip;vector<int>g[N+10];map<int,vector<int>>dic;vector<int>inTimes;set<pair<int,int>>edgeSet;//dp[i]表示有多少条边指向 iintdp[N+10],ans;voiddf...
A treehasroots.Peoplehaverootstoo,Ifyougettotherootof a problem,youwillsolveit.It'sthesamethingwithwords.Digdeeplyinto a big,unfamiliarwordandyouwillunderstandwhereitcamefromAsreaders,especiallythosereadingin a secondlanguage,weneedtodealwiththetextasifweweredetectives (侦探) lookingforinformationtounlock...
A treehasroots (根).Peoplehaverootstoo.Ifyougettotherootof a problem,youwillsolveit.It'sthesamethingwithwords.Digdeeplyinto a big,unknownwordandyouwillunderstandwhereitcamefrom.Asreaders,especiallythosereadingin a secondlanguage,weneedtodealwiththetextasifweweredetectives (侦探) whoarejustlookingfor...
A tree has roots A tree has roots. People have roots too. If you get to the root of a problem, you will solve it. It's the same thing with words. Dig deeply into a big, unfamiliar word and you will understand where it came from. As readers, especially those reading in a second...
Passage 10 A tree has roots (根). People have roots too. If you get to the root of a problem, you will solve it. It's the same thing with words. Dig deeply into a big unfamiliar word and you will understand where it came from.As readers, especially those reading in a second lang...
Just as the roots of a tree nourish and sustain the tree, the roots of character nourish and sustain the individual. They are the foundation upon which one stands, giving them the strength to grow and become the person they are meant to be. In conclusion, the roots of a tree, like the...
THERE is something magical about a tree house , but where once they were the preserve of the young, immortalised in children's literature such as Peter Pan, nowadays the treehouse is experiencing a renaissance.Liverpool Echo (Liverpool, England)...
A tree has roots (根). People have roots too. If you get to the root of a problem, you will solve it. It’s the same thing with words. Dig deeply into a big, unknown word and you will understand where it came from. As readers, especially those reading in a second language, we...
A tree has roots(根). People have roots too. If you get to the root of a problem, you will solve it. It’s the same thing with words. Dig deeply into a big unfamiliar word and you will understand where it came from. As readers, especially those reading in a second language, we ...