Submission #1195003
Source Code Expand
#include<cstdio> #include<algorithm> #include<vector> #define N_ 201000 using namespace std; int n, X, Y, F[N_], w[N_], C[N_], res; int FF[N_], InvF[N_], Mod = 1000000007; int UF[N_]; vector<int>G[N_]; int Find(int a){ if(a==UF[a])return a; return UF[a] = Find(UF[a]); } void Make(int a, int b){ if(a==b||b==-1)return; if(C[a]==C[b] && w[a]+w[b] > X)return; if(C[a]!=C[b] && w[a]+w[b] > Y)return; a = Find(a),b=Find(b); UF[a]=b; } int Pow(int a, int b){ int r = 1; while(b){ if(b&1)r=1ll*r*a%Mod; a=1ll*a*a%Mod;b>>=1; } return r; } int Get(vector<int>&P){ sort(P.begin(),P.end()); int i, m = P.size(), c = 0; int r = FF[m]; for(i=0;i<m;i++){ c++; if(i==m-1 || P[i]!=P[i+1]){ r = 1ll*r*InvF[c]%Mod; c = 0; } } return r; } int main(){ int i; scanf("%d%d%d",&n,&X,&Y); for(i=1;i<=n;i++){ UF[i] = i; scanf("%d%d",&C[i],&w[i]); if(!F[C[i]] || w[F[C[i]]] > w[i]) F[C[i]] = i; } int M1 = 1e9, M2 = 1e9, t1 = -1, t2 = -1; for(i=1;i<=n;i++){ if(!F[i])continue; if(M1 > F[i]){ M2 = M1, t2 = t1; M1 = F[i], t1 = i; } else if(M2 > F[i])M2 = F[i],t2 = i; } for(i=1;i<=n;i++){ Make(i, F[C[i]]); Make(i, t1); Make(i, t2); } FF[0] = 1; for(i=1;i<=n;i++)FF[i] = 1ll*FF[i-1]*i%Mod; InvF[n] = Pow(FF[n],Mod-2); for(i=n;i>=1;i--)InvF[i-1] = 1ll*InvF[i]*i%Mod; for(i=1;i<=n;i++){ G[Find(i)].push_back(C[i]); } res = 1; for(i=1;i<=n;i++){ if(!G[i].empty()) res = 1ll*res*Get(G[i])%Mod; } printf("%d\n",res); }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | ainta |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1790 Byte |
Status | WA |
Exec Time | 79 ms |
Memory | 15872 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:44:29: 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:47:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&C[i],&w[i]); ^
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 | 8448 KB |
00_example_02.txt | AC | 4 ms | 8448 KB |
00_example_03.txt | AC | 4 ms | 8448 KB |
01.txt | AC | 4 ms | 8448 KB |
02.txt | WA | 4 ms | 8448 KB |
03.txt | WA | 6 ms | 8448 KB |
04.txt | AC | 4 ms | 8448 KB |
05.txt | WA | 4 ms | 8448 KB |
06.txt | AC | 4 ms | 8448 KB |
07.txt | WA | 36 ms | 9852 KB |
08.txt | AC | 4 ms | 8448 KB |
09.txt | WA | 20 ms | 8832 KB |
10.txt | WA | 14 ms | 8704 KB |
11.txt | WA | 4 ms | 8448 KB |
12.txt | WA | 4 ms | 8448 KB |
13.txt | AC | 6 ms | 8576 KB |
14.txt | AC | 4 ms | 8448 KB |
15.txt | WA | 16 ms | 8960 KB |
16.txt | WA | 36 ms | 11008 KB |
17.txt | WA | 8 ms | 8576 KB |
18.txt | WA | 17 ms | 8976 KB |
19.txt | WA | 31 ms | 9852 KB |
20.txt | WA | 76 ms | 12792 KB |
21.txt | WA | 74 ms | 13560 KB |
22.txt | WA | 74 ms | 15232 KB |
23.txt | WA | 72 ms | 11512 KB |
24.txt | WA | 70 ms | 15616 KB |
25.txt | WA | 77 ms | 12664 KB |
26.txt | AC | 73 ms | 11260 KB |
27.txt | AC | 79 ms | 13696 KB |
28.txt | WA | 74 ms | 11256 KB |
29.txt | WA | 76 ms | 12280 KB |
30.txt | WA | 72 ms | 15872 KB |
31.txt | WA | 73 ms | 11256 KB |
32.txt | WA | 75 ms | 14848 KB |
33.txt | AC | 76 ms | 11384 KB |
34.txt | AC | 68 ms | 10996 KB |
35.txt | WA | 65 ms | 12664 KB |
36.txt | WA | 66 ms | 11904 KB |
37.txt | WA | 67 ms | 13048 KB |
38.txt | WA | 64 ms | 13952 KB |
39.txt | AC | 64 ms | 11768 KB |
40.txt | WA | 66 ms | 10996 KB |
41.txt | WA | 73 ms | 13048 KB |
42.txt | WA | 68 ms | 15872 KB |
43.txt | WA | 69 ms | 15360 KB |
44.txt | WA | 68 ms | 11640 KB |
45.txt | WA | 67 ms | 15872 KB |
46.txt | WA | 76 ms | 14464 KB |
47.txt | AC | 57 ms | 12024 KB |
48.txt | AC | 61 ms | 13176 KB |
49.txt | AC | 59 ms | 12024 KB |
50.txt | WA | 60 ms | 14332 KB |
51.txt | WA | 61 ms | 15488 KB |
52.txt | WA | 54 ms | 12024 KB |
53.txt | WA | 54 ms | 11896 KB |
54.txt | WA | 54 ms | 12024 KB |