Submission #1673913
Source Code Expand
#include<bits/stdc++.h> #define ll long long #define mod 1000000007 #define N 200005 using namespace std; int n,t,x,y,cnt,tot,fac[N],inv[N],ans,mn[N],a[N],b[N],c[N],sz[N],sum[N],m,mm; int main(){ scanf("%d%d%d",&n,&x,&y); int i; memset(mn,60,sizeof(mn)); for (i=1,m=mm=1010000000; i<=n; i++){ scanf("%d%d",&a[i],&b[i]); mn[a[i]]=min(mn[a[i]],b[i]); if (b[i]<m){ m=b[i]; t=a[i]; } } for (i=1; i<=n; i++) if (a[i]!=t && b[i]<mm) mm=b[i]; for (i=1; i<=n; i++) if (b[i]+mn[a[i]]<=x) sz[a[i]]++; for (i=1; i<=n; i++) if (b[i]+m<=y && a[i]!=t || b[i]+mm<=y) sum[a[i]]++; for (i=1; i<=n; i++) if (sum[i] || i==t){ c[++cnt]=max(sum[i],sz[i]); tot+=c[cnt]; } fac[0]=inv[0]=inv[1]=1; for (i=1; i<=n; i++) fac[i]=(ll)fac[i-1]*i%mod; for (i=2; i<=n; i++) inv[i]=mod-(ll)inv[mod%i]*(mod/i)%mod; for (i=2; i<=n; i++) inv[i]=(ll)inv[i-1]*inv[i]%mod; for (i=ans=1; i<=cnt; i++){ ans=(ll)ans*fac[tot]%mod*inv[c[i]]%mod*inv[tot-c[i]]%mod; tot-=c[i]; } printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | lych_cys |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1036 Byte |
Status | AC |
Exec Time | 49 ms |
Memory | 6528 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&x,&y); ^ ./Main.cpp:13:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a[i],&b[i]); ^
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 | 2 ms | 4352 KB |
00_example_02.txt | AC | 2 ms | 4352 KB |
00_example_03.txt | AC | 2 ms | 4352 KB |
01.txt | AC | 3 ms | 4352 KB |
02.txt | AC | 2 ms | 4352 KB |
03.txt | AC | 4 ms | 4352 KB |
04.txt | AC | 2 ms | 4352 KB |
05.txt | AC | 3 ms | 4352 KB |
06.txt | AC | 2 ms | 4352 KB |
07.txt | AC | 22 ms | 4736 KB |
08.txt | AC | 3 ms | 4352 KB |
09.txt | AC | 14 ms | 4352 KB |
10.txt | AC | 9 ms | 4352 KB |
11.txt | AC | 2 ms | 4352 KB |
12.txt | AC | 2 ms | 4352 KB |
13.txt | AC | 4 ms | 4480 KB |
14.txt | AC | 2 ms | 4352 KB |
15.txt | AC | 11 ms | 4736 KB |
16.txt | AC | 22 ms | 4608 KB |
17.txt | AC | 6 ms | 4352 KB |
18.txt | AC | 11 ms | 4352 KB |
19.txt | AC | 20 ms | 4480 KB |
20.txt | AC | 47 ms | 6272 KB |
21.txt | AC | 46 ms | 6272 KB |
22.txt | AC | 45 ms | 6144 KB |
23.txt | AC | 47 ms | 6400 KB |
24.txt | AC | 45 ms | 6144 KB |
25.txt | AC | 47 ms | 6272 KB |
26.txt | AC | 48 ms | 6528 KB |
27.txt | AC | 45 ms | 5248 KB |
28.txt | AC | 48 ms | 6528 KB |
29.txt | AC | 48 ms | 6400 KB |
30.txt | AC | 45 ms | 6016 KB |
31.txt | AC | 49 ms | 6528 KB |
32.txt | AC | 47 ms | 6144 KB |
33.txt | AC | 48 ms | 6528 KB |
34.txt | AC | 46 ms | 6400 KB |
35.txt | AC | 45 ms | 4992 KB |
36.txt | AC | 46 ms | 6144 KB |
37.txt | AC | 45 ms | 5632 KB |
38.txt | AC | 45 ms | 4864 KB |
39.txt | AC | 45 ms | 6016 KB |
40.txt | AC | 47 ms | 6528 KB |
41.txt | AC | 46 ms | 6272 KB |
42.txt | AC | 45 ms | 6272 KB |
43.txt | AC | 44 ms | 6144 KB |
44.txt | AC | 46 ms | 6528 KB |
45.txt | AC | 44 ms | 6144 KB |
46.txt | AC | 45 ms | 6272 KB |
47.txt | AC | 42 ms | 4480 KB |
48.txt | AC | 43 ms | 4480 KB |
49.txt | AC | 43 ms | 4480 KB |
50.txt | AC | 41 ms | 4992 KB |
51.txt | AC | 40 ms | 4480 KB |
52.txt | AC | 38 ms | 4480 KB |
53.txt | AC | 38 ms | 4480 KB |
54.txt | AC | 38 ms | 4480 KB |