Submission #2834991
Source Code Expand
#include "bits/stdc++.h" #define ll long long #define rep2(i,a,b) for(int i=a;i<=b;++i) #define rep(i,n) for(int i=0;i<n;i++) #define pii pair<ll,ll> #define tii tuple<int,int,int> #define pq priority_queue<int> #define pqg priority_queue<int,vector<int>,greater<int>> #define pb push_back #define edge(v,a,b) v[a].pb(b);v[b].pb(a); ll int MOD=1e9+7; #define INF 2*1e9 #define N 310000 using namespace std; string alphabet("abcdefghijklmnopqrstuvwxyz"); ll int inv[N*2],comb[N*2]; void calc_inv(ll n){ inv[1]=1; rep2(i,2,n*2){ inv[i]=((-(MOD/i)*inv[MOD%i])%MOD+MOD)%MOD; } return; } main(){ ll n; ll x,y; cin>>n>>x>>y; pii p[N]; vector<pii> v; ll m=MOD; rep(i,n){ ll a,b; cin>>a>>b; p[i].first=a;p[i].second=b; m=min(m,b); v.pb(p[i]); } sort(v.begin(),v.end()); ll num[N]={}; ll sum=0; rep2(i,1,n){ int l=lower_bound(v.begin(),v.end(),(pii){i,0})-v.begin(); int r=lower_bound(v.begin(),v.end(),(pii){i+1,0})-v.begin(); ll t=v[l].second; rep2(j,l,r-1){ if((t+v[j].second<=x&&t+m<=y)||v[j].second+m<=y) num[i]++; } sum+=num[i]; } calc_inv(n); ll ans=1; for(ll i=1;i<=sum;i++){ ans=(ans*i)%MOD; } rep2(i,1,n){ rep2(j,1,num[i]) ans=(ans*inv[j])%MOD; } cout<<ans; }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | noimi |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1464 Byte |
Status | WA |
Exec Time | 192 ms |
Memory | 15852 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 | 4 ms | 9600 KB |
00_example_02.txt | AC | 4 ms | 9600 KB |
00_example_03.txt | AC | 4 ms | 9600 KB |
01.txt | AC | 4 ms | 9600 KB |
02.txt | AC | 4 ms | 9600 KB |
03.txt | AC | 9 ms | 9856 KB |
04.txt | AC | 4 ms | 9600 KB |
05.txt | AC | 6 ms | 9728 KB |
06.txt | AC | 4 ms | 9600 KB |
07.txt | AC | 87 ms | 13296 KB |
08.txt | AC | 4 ms | 9600 KB |
09.txt | AC | 50 ms | 10612 KB |
10.txt | AC | 32 ms | 10228 KB |
11.txt | AC | 4 ms | 9600 KB |
12.txt | AC | 4 ms | 9600 KB |
13.txt | AC | 10 ms | 9856 KB |
14.txt | AC | 4 ms | 9600 KB |
15.txt | AC | 39 ms | 10356 KB |
16.txt | AC | 88 ms | 13296 KB |
17.txt | AC | 16 ms | 9980 KB |
18.txt | AC | 39 ms | 10356 KB |
19.txt | AC | 78 ms | 13168 KB |
20.txt | AC | 183 ms | 15468 KB |
21.txt | AC | 183 ms | 14828 KB |
22.txt | AC | 181 ms | 14956 KB |
23.txt | AC | 190 ms | 15340 KB |
24.txt | AC | 185 ms | 15596 KB |
25.txt | AC | 183 ms | 15596 KB |
26.txt | AC | 191 ms | 14828 KB |
27.txt | AC | 184 ms | 15340 KB |
28.txt | AC | 191 ms | 14956 KB |
29.txt | AC | 192 ms | 15340 KB |
30.txt | AC | 184 ms | 15596 KB |
31.txt | AC | 190 ms | 14828 KB |
32.txt | AC | 187 ms | 15596 KB |
33.txt | AC | 189 ms | 15340 KB |
34.txt | AC | 187 ms | 14956 KB |
35.txt | WA | 182 ms | 14828 KB |
36.txt | AC | 186 ms | 14828 KB |
37.txt | WA | 184 ms | 14956 KB |
38.txt | WA | 183 ms | 14828 KB |
39.txt | AC | 188 ms | 15852 KB |
40.txt | AC | 182 ms | 15084 KB |
41.txt | AC | 177 ms | 15084 KB |
42.txt | AC | 178 ms | 14828 KB |
43.txt | AC | 175 ms | 14828 KB |
44.txt | AC | 186 ms | 14828 KB |
45.txt | AC | 176 ms | 14956 KB |
46.txt | AC | 178 ms | 15596 KB |
47.txt | AC | 168 ms | 14828 KB |
48.txt | AC | 172 ms | 14828 KB |
49.txt | AC | 173 ms | 14956 KB |
50.txt | AC | 156 ms | 15084 KB |
51.txt | AC | 164 ms | 15724 KB |
52.txt | AC | 157 ms | 14828 KB |
53.txt | AC | 156 ms | 14956 KB |
54.txt | AC | 156 ms | 14828 KB |