Submission #8407781
Source Code Expand
#ifndef call_from_test #include<bits/stdc++.h> using namespace std; #endif //BEGIN CUT HERE template<typename T> struct DiameterForVertex{ vector<T> vs,dp; vector<vector<int> > G; DiameterForVertex(int n):dp(n),G(n){} DiameterForVertex(vector<T> vs):vs(vs),dp(vs.size()),G(vs.size()){} void add_edge(int u,int v){ G[u].emplace_back(v); G[v].emplace_back(u); } void dfs(int v,int p,int &s){ if(p<0) dp[v]=T(0); dp[v]+=vs[v]; if(dp[s]<dp[v]) s=v; for(int u:G[v]){ if(u==p) continue; dp[u]=dp[v]; dfs(u,v,s); } } T build(){ assert(!vs.empty()); int s=0; dfs(s,-1,s); dfs(s,-1,s); return dp[s]; } T build(vector<T> us){ assert(us.size()==dp.size()); vs=us; return build(); } }; //END CUT HERE #ifndef call_from_test struct FastIO{ FastIO(){ cin.tie(0); ios::sync_with_stdio(0); } }fastio_beet; //INSERT ABOVE HERE signed AGC033_C(){ int n; cin>>n; vector<int> vs(n,1); DiameterForVertex<int> G(vs); for(int i=1;i<n;i++){ int x,y; cin>>x>>y; x--;y--; G.add_edge(x,y); } int ans=G.build(); cout<<((ans%3!=2)?"First":"Second")<<endl; return 0; } /* verified on 2019/05/07 https://atcoder.jp/contests/agc033/tasks/agc033_c */ signed ARC097_F(){ int n; cin>>n; DiameterForVertex<int> G(n); vector<int> deg(n,0); for(int i=1;i<n;i++){ int x,y; cin>>x>>y; x--;y--; G.add_edge(x,y); deg[x]++; deg[y]++; } string s; cin>>s; int cnt=(n-1)*2,num=0; queue<int> que; vector<int> dead(n,0); for(int i=0;i<n;i++){ num+=(s[i]=='W'); if((deg[i]==1)&&(s[i]=='B')){ dead[i]=1; que.emplace(i); } } while(!que.empty()){ int v=que.front();que.pop(); cnt-=2; for(int u:G.G[v]){ if(dead[u]) continue; deg[u]--; if(deg[u]==1&&(s[u]=='B')){ dead[u]=1; que.emplace(u); } } } if(num<=1){ cout<<num<<endl; return 0; } vector<int> vs(n,0); for(int i=0;i<n;i++){ if(dead[i]) continue; vs[i]=deg[i]+(s[i]=='W'); vs[i]%=2; cnt+=vs[i]; } cout<<cnt-G.build(vs)*2<<endl; return 0; } /* verified on 2019/05/07 https://atcoder.jp/contests/arc097/tasks/arc097_d */ signed main(){ //AGC033_C(); ARC097_F(); return 0; } #endif
Submission Info
Submission Time | |
---|---|
Task | F - Monochrome Cat |
User | beet |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 2471 Byte |
Status | AC |
Exec Time | 55 ms |
Memory | 11600 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt |
All | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 1_026.txt, 1_027.txt, 1_028.txt, 1_029.txt, 1_030.txt, 1_031.txt, 1_032.txt, 1_033.txt, 1_034.txt, 1_035.txt, 1_036.txt, 1_037.txt, 1_038.txt, 1_039.txt, 1_040.txt, 1_041.txt, 1_042.txt, 1_043.txt, 1_044.txt, 1_045.txt, 1_046.txt, 1_047.txt, 1_048.txt, 1_049.txt, 1_050.txt, 1_051.txt, 1_052.txt, 1_053.txt, 1_054.txt, 1_055.txt, 1_056.txt, 1_057.txt, 1_058.txt, 1_059.txt, 1_060.txt, 1_061.txt, 1_062.txt, 1_063.txt, 1_064.txt, 1_065.txt, 1_066.txt, 1_067.txt, 1_068.txt, 1_069.txt, 1_070.txt, 1_071.txt, 1_072.txt, 1_073.txt, 1_074.txt, 1_075.txt, 1_076.txt, 1_077.txt, 1_078.txt, 1_079.txt, 1_080.txt, 1_081.txt, 1_082.txt, 1_083.txt, 1_084.txt, 1_085.txt, 1_086.txt, 1_087.txt, 1_088.txt, 1_089.txt, 1_090.txt, 1_091.txt, 1_092.txt, 1_093.txt, 1_094.txt, 1_095.txt, 1_096.txt, 1_097.txt, 1_098.txt, 1_099.txt, 1_100.txt, 1_101.txt, 1_102.txt, 1_103.txt, 1_104.txt, 1_105.txt, 1_106.txt, 1_107.txt, 1_108.txt, 1_109.txt, 1_110.txt, 1_111.txt, 1_112.txt, 1_113.txt, 1_114.txt, 1_115.txt, 1_116.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 1 ms | 256 KB |
0_001.txt | AC | 1 ms | 256 KB |
0_002.txt | AC | 1 ms | 256 KB |
0_003.txt | AC | 1 ms | 256 KB |
1_003.txt | AC | 1 ms | 256 KB |
1_004.txt | AC | 1 ms | 256 KB |
1_005.txt | AC | 1 ms | 256 KB |
1_006.txt | AC | 1 ms | 256 KB |
1_007.txt | AC | 1 ms | 256 KB |
1_008.txt | AC | 1 ms | 256 KB |
1_009.txt | AC | 1 ms | 256 KB |
1_010.txt | AC | 1 ms | 256 KB |
1_011.txt | AC | 1 ms | 256 KB |
1_012.txt | AC | 1 ms | 256 KB |
1_013.txt | AC | 1 ms | 256 KB |
1_014.txt | AC | 1 ms | 256 KB |
1_015.txt | AC | 1 ms | 256 KB |
1_016.txt | AC | 1 ms | 256 KB |
1_017.txt | AC | 1 ms | 256 KB |
1_018.txt | AC | 1 ms | 256 KB |
1_019.txt | AC | 1 ms | 256 KB |
1_020.txt | AC | 1 ms | 256 KB |
1_021.txt | AC | 1 ms | 256 KB |
1_022.txt | AC | 1 ms | 256 KB |
1_023.txt | AC | 1 ms | 256 KB |
1_024.txt | AC | 1 ms | 256 KB |
1_025.txt | AC | 1 ms | 256 KB |
1_026.txt | AC | 1 ms | 256 KB |
1_027.txt | AC | 1 ms | 256 KB |
1_028.txt | AC | 1 ms | 256 KB |
1_029.txt | AC | 1 ms | 256 KB |
1_030.txt | AC | 1 ms | 256 KB |
1_031.txt | AC | 1 ms | 256 KB |
1_032.txt | AC | 1 ms | 256 KB |
1_033.txt | AC | 1 ms | 256 KB |
1_034.txt | AC | 1 ms | 256 KB |
1_035.txt | AC | 1 ms | 256 KB |
1_036.txt | AC | 1 ms | 256 KB |
1_037.txt | AC | 1 ms | 256 KB |
1_038.txt | AC | 1 ms | 256 KB |
1_039.txt | AC | 1 ms | 256 KB |
1_040.txt | AC | 1 ms | 256 KB |
1_041.txt | AC | 1 ms | 256 KB |
1_042.txt | AC | 1 ms | 256 KB |
1_043.txt | AC | 1 ms | 256 KB |
1_044.txt | AC | 1 ms | 256 KB |
1_045.txt | AC | 17 ms | 4352 KB |
1_046.txt | AC | 21 ms | 5248 KB |
1_047.txt | AC | 36 ms | 7040 KB |
1_048.txt | AC | 30 ms | 5504 KB |
1_049.txt | AC | 34 ms | 7552 KB |
1_050.txt | AC | 30 ms | 7424 KB |
1_051.txt | AC | 24 ms | 6648 KB |
1_052.txt | AC | 7 ms | 1920 KB |
1_053.txt | AC | 25 ms | 6776 KB |
1_054.txt | AC | 11 ms | 2940 KB |
1_055.txt | AC | 24 ms | 6520 KB |
1_056.txt | AC | 14 ms | 3836 KB |
1_057.txt | AC | 2 ms | 384 KB |
1_058.txt | AC | 22 ms | 4736 KB |
1_059.txt | AC | 14 ms | 2688 KB |
1_060.txt | AC | 30 ms | 5376 KB |
1_061.txt | AC | 40 ms | 7808 KB |
1_062.txt | AC | 22 ms | 4608 KB |
1_063.txt | AC | 24 ms | 5248 KB |
1_064.txt | AC | 17 ms | 3840 KB |
1_065.txt | AC | 3 ms | 640 KB |
1_066.txt | AC | 30 ms | 6140 KB |
1_067.txt | AC | 8 ms | 1792 KB |
1_068.txt | AC | 21 ms | 4608 KB |
1_069.txt | AC | 13 ms | 2304 KB |
1_070.txt | AC | 22 ms | 4096 KB |
1_071.txt | AC | 34 ms | 6016 KB |
1_072.txt | AC | 20 ms | 3840 KB |
1_073.txt | AC | 5 ms | 1024 KB |
1_074.txt | AC | 4 ms | 768 KB |
1_075.txt | AC | 20 ms | 3712 KB |
1_076.txt | AC | 48 ms | 8064 KB |
1_077.txt | AC | 33 ms | 5888 KB |
1_078.txt | AC | 12 ms | 2304 KB |
1_079.txt | AC | 19 ms | 3712 KB |
1_080.txt | AC | 23 ms | 4224 KB |
1_081.txt | AC | 50 ms | 11600 KB |
1_082.txt | AC | 51 ms | 11600 KB |
1_083.txt | AC | 41 ms | 7120 KB |
1_084.txt | AC | 41 ms | 7120 KB |
1_085.txt | AC | 51 ms | 11088 KB |
1_086.txt | AC | 50 ms | 11600 KB |
1_087.txt | AC | 32 ms | 8696 KB |
1_088.txt | AC | 34 ms | 8824 KB |
1_089.txt | AC | 29 ms | 7800 KB |
1_090.txt | AC | 30 ms | 7800 KB |
1_091.txt | AC | 32 ms | 8696 KB |
1_092.txt | AC | 30 ms | 7800 KB |
1_093.txt | AC | 51 ms | 9932 KB |
1_094.txt | AC | 55 ms | 9932 KB |
1_095.txt | AC | 42 ms | 7116 KB |
1_096.txt | AC | 41 ms | 7116 KB |
1_097.txt | AC | 50 ms | 9548 KB |
1_098.txt | AC | 48 ms | 9932 KB |
1_099.txt | AC | 41 ms | 8572 KB |
1_100.txt | AC | 42 ms | 8572 KB |
1_101.txt | AC | 37 ms | 7420 KB |
1_102.txt | AC | 38 ms | 7420 KB |
1_103.txt | AC | 40 ms | 8572 KB |
1_104.txt | AC | 43 ms | 8700 KB |
1_105.txt | AC | 49 ms | 8396 KB |
1_106.txt | AC | 49 ms | 8396 KB |
1_107.txt | AC | 41 ms | 7244 KB |
1_108.txt | AC | 38 ms | 7244 KB |
1_109.txt | AC | 48 ms | 8400 KB |
1_110.txt | AC | 50 ms | 8400 KB |
1_111.txt | AC | 48 ms | 8396 KB |
1_112.txt | AC | 49 ms | 8396 KB |
1_113.txt | AC | 41 ms | 7244 KB |
1_114.txt | AC | 39 ms | 7244 KB |
1_115.txt | AC | 48 ms | 8396 KB |
1_116.txt | AC | 52 ms | 8396 KB |