Submission #1678972
Source Code Expand
#include<set> #include<map> #include<cmath> #include<queue> #include<bitset> #include<string> #include<cstdio> #include<cctype> #include<cassert> #include<cstdlib> #include<cstring> #include<sstream> #include<iostream> #include<algorithm> #define For(i,x,y) for (int i=x;i<y;i++) #define pb push_back #define mp make_pair #define fi first #define se second #define lf else if #define dprintf(...) fprintf(stderr,__VA_ARGS__) using namespace std; typedef long long ll; typedef double db; typedef pair<int,int> pii; typedef vector<int> Vi; int IN(){ int c,f,x; while (!isdigit(c=getchar())&&c!='-');c=='-'?(f=1,x=0):(f=0,x=c-'0'); while (isdigit(c=getchar())) x=(x<<1)+(x<<3)+c-'0';return !f?x:-x; } const int N=200000+19; const int p=1e9+7; const int oo=(1<<30)-1; int Pow(int a,int b){ int res=1; for (;b;b>>=1,a=1ll*a*a%p) if (b&1) res=1ll*res*a%p; return res; } int c[N],w[N],mn[N],wei[N],fac[N],inv[N],val[N]; int X,Y,amn,n,ans,m,id,ase; int main(){ //freopen("1.in","r",stdin); fac[0]=1; For(i,1,N) fac[i]=1ll*fac[i-1]*i%p; inv[N-1]=Pow(fac[N-1],p-2); for (int i=N-1;i;i--) inv[i-1]=1ll*inv[i]*i%p; amn=oo;ase=oo; For(i,0,N) mn[i]=oo; n=IN(),X=IN(),Y=IN(); For(i,1,n+1){ c[i]=IN(),w[i]=IN(); if (w[i]<amn){ ase=amn; amn=w[i]; id=c[i]; } lf (w[i]<ase){ ase=w[i]; } mn[c[i]]=min(mn[c[i]],w[i]); } For(i,1,n+1) if (c[i]==id){ if (w[i]+amn<=X&&amn+ase<=Y||w[i]+ase<=Y){ m++; val[c[i]]++; } } else{ if (w[i]+amn<=Y||w[i]+mn[c[i]]<=X&&mn[c[i]]+amn<=Y){ m++; val[c[i]]++; } } ans=fac[m]; For(i,0,N) ans=1ll*ans*inv[val[i]]%p; printf("%d\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | rxdoi |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1712 Byte |
Status | AC |
Exec Time | 33 ms |
Memory | 5760 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 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 | 5 ms | 3584 KB |
00_example_02.txt | AC | 5 ms | 3584 KB |
00_example_03.txt | AC | 5 ms | 3584 KB |
01.txt | AC | 5 ms | 3584 KB |
02.txt | AC | 5 ms | 3584 KB |
03.txt | AC | 6 ms | 3584 KB |
04.txt | AC | 5 ms | 3584 KB |
05.txt | AC | 5 ms | 3584 KB |
06.txt | AC | 5 ms | 3584 KB |
07.txt | AC | 16 ms | 4224 KB |
08.txt | AC | 5 ms | 3584 KB |
09.txt | AC | 10 ms | 3840 KB |
10.txt | AC | 8 ms | 3712 KB |
11.txt | AC | 5 ms | 3584 KB |
12.txt | AC | 5 ms | 3584 KB |
13.txt | AC | 6 ms | 3584 KB |
14.txt | AC | 5 ms | 3584 KB |
15.txt | AC | 9 ms | 3840 KB |
16.txt | AC | 16 ms | 4352 KB |
17.txt | AC | 7 ms | 3584 KB |
18.txt | AC | 9 ms | 3712 KB |
19.txt | AC | 14 ms | 4096 KB |
20.txt | AC | 30 ms | 5760 KB |
21.txt | AC | 29 ms | 5760 KB |
22.txt | AC | 29 ms | 5760 KB |
23.txt | AC | 28 ms | 5760 KB |
24.txt | AC | 33 ms | 5760 KB |
25.txt | AC | 32 ms | 5760 KB |
26.txt | AC | 30 ms | 5760 KB |
27.txt | AC | 33 ms | 4992 KB |
28.txt | AC | 30 ms | 5760 KB |
29.txt | AC | 31 ms | 5760 KB |
30.txt | AC | 32 ms | 5760 KB |
31.txt | AC | 33 ms | 5760 KB |
32.txt | AC | 31 ms | 5760 KB |
33.txt | AC | 30 ms | 5760 KB |
34.txt | AC | 29 ms | 5760 KB |
35.txt | AC | 31 ms | 5120 KB |
36.txt | AC | 30 ms | 5760 KB |
37.txt | AC | 31 ms | 5504 KB |
38.txt | AC | 33 ms | 5120 KB |
39.txt | AC | 31 ms | 5760 KB |
40.txt | AC | 30 ms | 5760 KB |
41.txt | AC | 29 ms | 5760 KB |
42.txt | AC | 30 ms | 5760 KB |
43.txt | AC | 31 ms | 5760 KB |
44.txt | AC | 30 ms | 5760 KB |
45.txt | AC | 28 ms | 5760 KB |
46.txt | AC | 29 ms | 5760 KB |
47.txt | AC | 26 ms | 4992 KB |
48.txt | AC | 28 ms | 4992 KB |
49.txt | AC | 28 ms | 4992 KB |
50.txt | AC | 23 ms | 5376 KB |
51.txt | AC | 25 ms | 4992 KB |
52.txt | AC | 22 ms | 4992 KB |
53.txt | AC | 22 ms | 4992 KB |
54.txt | AC | 22 ms | 4992 KB |