Submission #1862995
Source Code Expand
#include<cstdio> #include<algorithm> using namespace std; typedef long long ll; const int N=200200,M=1001000,P=1000000007; int i,j,k,n,m,En,X,Y,ch,ff,mi1,mi2,An,ans; int c[N],w[N],h[N],mi[N],A[N],z[N],Jc[N],Jc_[N]; struct edge { int s,n;} E[M]; void R(int &x) { ff=x=0;ch=getchar(); while (ch<'0' || '9'<ch) { if (ch=='-') ff=1;ch=getchar();} while ('0'<=ch && ch<='9') x=x*10+ch-'0',ch=getchar(); if (ff) x=-x; } void E_add(int x,int y) { E[++En].s=y;E[En].n=h[x];h[x]=En; E[++En].s=x;E[En].n=h[y];h[y]=En; } void dfs(int x) { A[++An]=c[x];z[x]=1; for (int k=h[x];k;k=E[k].n) if (!z[E[k].s]) dfs(E[k].s); } int ksm(int x,int y) { int z=1; for (;y;y>>=1,x=(ll) x*x%P) if (y&1) z=(ll) z*x%P; return z; } void pre(int n) { int i; Jc[0]=Jc_[0]=1; for (i=1;i<=n;i++) Jc[i]=(ll) Jc[i-1]*i%P; Jc_[n]=ksm(Jc[n],P-2); for (i=n-1;i;i--) Jc_[i]=(ll) Jc_[i+1]*(i+1)%P; } int main() { R(n);R(X);R(Y); w[0]=P; pre(n); for (i=1;i<=n;i++) { R(c[i]);R(w[i]); if (c[i]<w[mi[c[i]]]) mi[c[i]]=i; } for (i=1;i<=n;i++) if (mi[i]) { if (w[mi[i]]<w[mi1]) mi2=mi1,mi1=mi[i]; else { if (w[mi[i]]<w[mi2]) mi2=mi[i]; } } for (i=1;i<=n;i++) { if (w[i]+w[mi[c[i]]]<=X) E_add(i,mi[c[i]]); if (c[i]!=c[mi1] && w[i]+w[mi1]<=Y) E_add(i,mi1); if (c[i]!=c[mi2] && w[i]+w[mi2]<=Y) E_add(i,mi2); } ans=1; for (i=1;i<=n;i++) if (!z[i]) { An=0; dfs(i); sort(A+1,A+An+1); ans=(ll) ans*Jc[An]%P; for (j=1;j<=An;j++) { k=j; while (k<An && A[k+1]==A[j]) k++; ans=(ll) ans*Jc_[k-j+1]%P; j=k; } } printf("%d\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | jiyutian |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1612 Byte |
Status | WA |
Exec Time | 53 ms |
Memory | 14208 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 2 ms | 6272 KB |
00_example_02.txt | AC | 1 ms | 6272 KB |
00_example_03.txt | AC | 1 ms | 6272 KB |
01.txt | AC | 2 ms | 6272 KB |
02.txt | AC | 2 ms | 6272 KB |
03.txt | AC | 3 ms | 6656 KB |
04.txt | AC | 1 ms | 6272 KB |
05.txt | AC | 2 ms | 6400 KB |
06.txt | AC | 2 ms | 6272 KB |
07.txt | AC | 24 ms | 11136 KB |
08.txt | WA | 2 ms | 6400 KB |
09.txt | AC | 13 ms | 10880 KB |
10.txt | AC | 9 ms | 7936 KB |
11.txt | AC | 2 ms | 6400 KB |
12.txt | AC | 2 ms | 6272 KB |
13.txt | AC | 3 ms | 6656 KB |
14.txt | AC | 2 ms | 6272 KB |
15.txt | AC | 11 ms | 8320 KB |
16.txt | AC | 19 ms | 8064 KB |
17.txt | AC | 5 ms | 7040 KB |
18.txt | AC | 10 ms | 7808 KB |
19.txt | AC | 19 ms | 8960 KB |
20.txt | WA | 47 ms | 14208 KB |
21.txt | AC | 41 ms | 12160 KB |
22.txt | WA | 40 ms | 12160 KB |
23.txt | AC | 48 ms | 14208 KB |
24.txt | WA | 38 ms | 9344 KB |
25.txt | WA | 47 ms | 14208 KB |
26.txt | AC | 49 ms | 14208 KB |
27.txt | AC | 40 ms | 12160 KB |
28.txt | WA | 53 ms | 14208 KB |
29.txt | WA | 51 ms | 14208 KB |
30.txt | WA | 36 ms | 8704 KB |
31.txt | AC | 53 ms | 14208 KB |
32.txt | WA | 43 ms | 12160 KB |
33.txt | AC | 53 ms | 14208 KB |
34.txt | WA | 49 ms | 14208 KB |
35.txt | AC | 43 ms | 14208 KB |
36.txt | WA | 47 ms | 12160 KB |
37.txt | AC | 45 ms | 14208 KB |
38.txt | AC | 43 ms | 14208 KB |
39.txt | WA | 43 ms | 12160 KB |
40.txt | WA | 46 ms | 14208 KB |
41.txt | WA | 44 ms | 14208 KB |
42.txt | AC | 39 ms | 12160 KB |
43.txt | WA | 38 ms | 12160 KB |
44.txt | AC | 45 ms | 14208 KB |
45.txt | WA | 34 ms | 9344 KB |
46.txt | WA | 44 ms | 14208 KB |
47.txt | AC | 32 ms | 12160 KB |
48.txt | AC | 32 ms | 9216 KB |
49.txt | AC | 33 ms | 9856 KB |
50.txt | AC | 29 ms | 12160 KB |
51.txt | AC | 28 ms | 9472 KB |
52.txt | AC | 27 ms | 12160 KB |
53.txt | AC | 27 ms | 12160 KB |
54.txt | AC | 27 ms | 12160 KB |