Submission #1607392
Source Code Expand
#include<iostream> #include<cstdio> #include<cstring> template<typename T>inline void read(T &x) { char c=x=0; for(c=getchar();!isdigit(c);c=getchar()); for(;isdigit(c);c=getchar())x=(x<<3)+(x<<1)+(c^48); } namespace fucker { typedef long long ll; const int N=100100,M=N*2; int begin[N],next[M],to[M],w[M]; int col[N]; int n,m,e; ll ans; void add(int x,int y,int z=1,bool k=1) { to[++e]=y; next[e]=begin[x]; begin[x]=e; w[e]=z; if(k)add(y,x,2,0); } void initialize() { read(n),read(m); for(int u,v;m--;) read(u),read(v),add(u,v); } int cnt[3],tmp; bool dfs(int p) { cnt[col[p]]++; bool ret=1; for(int i=begin[p],q;i;i=next[i]) { q=to[i]; if(col[q]>=0) {ret&=(col[q]==(col[p]+w[i])%3);continue;} tmp++; col[q]=(col[p]+w[i])%3; ret&=dfs(q); } return ret; } void solve() { initialize(); for(int i=1;i<=n;i++)col[i]=-1; ans=0; int ct=0; for(int i=1;i<=n;i++) if(col[i]<0) { ct++; tmp=cnt[0]=cnt[1]=cnt[2]=col[i]=0; if(dfs(i)) { if(cnt[0] && cnt[1] && cnt[2]) ans+=(ll)cnt[0]*cnt[1]+(ll)cnt[1]*cnt[2]+(ll)cnt[0]*cnt[2]; else ans+=tmp; } else ans+=(ll)(cnt[0]+cnt[1]+cnt[2])*(cnt[0]+cnt[1]+cnt[2]); } printf("%lld\n",ans); } } int main() { // freopen("in","r",stdin); // freopen("out","w",stdout); fucker::solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Blackout |
User | Demerzel_IV |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1442 Byte |
Status | WA |
Exec Time | 19 ms |
Memory | 8064 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1700 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 2 ms | 640 KB |
1_02.txt | AC | 12 ms | 3328 KB |
1_03.txt | AC | 14 ms | 8064 KB |
1_04.txt | AC | 15 ms | 8064 KB |
1_05.txt | AC | 14 ms | 8064 KB |
1_06.txt | AC | 14 ms | 8064 KB |
1_07.txt | AC | 14 ms | 8064 KB |
1_08.txt | AC | 14 ms | 8064 KB |
1_09.txt | AC | 14 ms | 8064 KB |
1_10.txt | AC | 14 ms | 8064 KB |
1_11.txt | AC | 14 ms | 8064 KB |
1_12.txt | AC | 14 ms | 8064 KB |
1_13.txt | WA | 14 ms | 8064 KB |
1_14.txt | AC | 10 ms | 3328 KB |
1_15.txt | AC | 9 ms | 3328 KB |
1_16.txt | AC | 9 ms | 3328 KB |
1_17.txt | AC | 9 ms | 2560 KB |
1_18.txt | AC | 19 ms | 4608 KB |
1_19.txt | AC | 19 ms | 4608 KB |
1_20.txt | AC | 18 ms | 4480 KB |
1_21.txt | AC | 19 ms | 4608 KB |
1_22.txt | AC | 18 ms | 4608 KB |
1_23.txt | AC | 19 ms | 4608 KB |
1_24.txt | AC | 18 ms | 4480 KB |
1_25.txt | AC | 19 ms | 4608 KB |
1_26.txt | AC | 19 ms | 4608 KB |
1_27.txt | AC | 19 ms | 4480 KB |
1_28.txt | AC | 19 ms | 4480 KB |
1_29.txt | AC | 19 ms | 4608 KB |
1_30.txt | AC | 19 ms | 4480 KB |
1_31.txt | AC | 18 ms | 4608 KB |
1_32.txt | AC | 18 ms | 4608 KB |
1_33.txt | AC | 19 ms | 4608 KB |
1_34.txt | AC | 18 ms | 4608 KB |
1_35.txt | AC | 17 ms | 4224 KB |
1_36.txt | AC | 18 ms | 4480 KB |
1_37.txt | AC | 18 ms | 4608 KB |
1_38.txt | AC | 16 ms | 3968 KB |
1_39.txt | AC | 16 ms | 3712 KB |
1_40.txt | AC | 19 ms | 4608 KB |
1_41.txt | AC | 19 ms | 4608 KB |
1_42.txt | AC | 16 ms | 4224 KB |
1_43.txt | AC | 17 ms | 4224 KB |
1_44.txt | AC | 18 ms | 4608 KB |
1_45.txt | AC | 16 ms | 3584 KB |
1_46.txt | AC | 18 ms | 4608 KB |
1_47.txt | AC | 18 ms | 4608 KB |
1_48.txt | AC | 17 ms | 4096 KB |
1_49.txt | AC | 18 ms | 4480 KB |