Submission #1678488
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
typedef pair <int,int> PII;
const int mo=int(1e9+7);
struct node{int c,w;}a[200010];
int n,X,Y,m1,m2,fac[200010],mn[200010],tot,mul;
bool cmp(node x,node y){return (x.c<y.c)||((x.c==y.c)&&(x.w<y.w));}
int qpow(int a,int b)
{
int x=a; a=1;
while (b)
{
if (b&1) a=1LL*a*x%mo;
x=1LL*x*x%mo,b>>=1;
}
return a;
}
void work()
{
scanf("%d %d %d",&n,&X,&Y),fac[0]=1,mul=1,m1=m2=Y;
for (int i=1; i<=n; i++)
{
scanf("%d %d",&a[i].c,&a[i].w);
if (a[i].w<m2) m2=a[i].w;
if (m2<m1) swap(m1,m2);
}
for (int i=1; i<=n; i++) fac[i]=1LL*fac[i-1]*i%mo;
sort(a+1,a+n+1,cmp),a[n+1].w=Y;
for (int i=1,j=0,k=0,p; i<=n+1; i++)
{
if (a[i].c!=a[j].c) mul=1LL*mul*fac[k]%mo,j=i,k=0,p=0;
if (a[j].w!=m1)
{
if ((a[i].w+m1<=Y)||((p)&&(a[j].w+a[i].w<=X))) tot++,k++,p=1;
}else if ((a[i].w+m1<=X)||(a[i].w+m2<=Y)) tot++,k++;
}
printf("%d",int(1LL*fac[tot]*qpow(mul,mo-2)%mo));
}
int main()
{
work();
return 0;
}
Submission Info
Submission Time |
|
Task |
D - Colorful Balls |
User |
YMDragon |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
1050 Byte |
Status |
WA |
Exec Time |
66 ms |
Memory |
2560 KB |
Compile Error
./Main.cpp: In function ‘void work()’:
./Main.cpp:24:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&n,&X,&Y),fac[0]=1,mul=1,m1=m2=Y;
^
./Main.cpp:27:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&a[i].c,&a[i].w);
^
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 |
1 ms |
256 KB |
00_example_02.txt |
AC |
1 ms |
256 KB |
00_example_03.txt |
AC |
1 ms |
256 KB |
01.txt |
AC |
1 ms |
256 KB |
02.txt |
AC |
1 ms |
256 KB |
03.txt |
AC |
3 ms |
384 KB |
04.txt |
AC |
1 ms |
256 KB |
05.txt |
AC |
2 ms |
256 KB |
06.txt |
AC |
1 ms |
256 KB |
07.txt |
AC |
31 ms |
1408 KB |
08.txt |
AC |
2 ms |
256 KB |
09.txt |
AC |
19 ms |
1024 KB |
10.txt |
AC |
11 ms |
640 KB |
11.txt |
AC |
1 ms |
256 KB |
12.txt |
AC |
1 ms |
256 KB |
13.txt |
AC |
3 ms |
384 KB |
14.txt |
AC |
1 ms |
256 KB |
15.txt |
AC |
13 ms |
768 KB |
16.txt |
AC |
32 ms |
1408 KB |
17.txt |
AC |
6 ms |
384 KB |
18.txt |
AC |
14 ms |
768 KB |
19.txt |
AC |
29 ms |
1280 KB |
20.txt |
AC |
64 ms |
2560 KB |
21.txt |
AC |
64 ms |
2560 KB |
22.txt |
AC |
64 ms |
2560 KB |
23.txt |
AC |
64 ms |
2560 KB |
24.txt |
AC |
64 ms |
2560 KB |
25.txt |
AC |
64 ms |
2560 KB |
26.txt |
AC |
65 ms |
2560 KB |
27.txt |
WA |
65 ms |
2560 KB |
28.txt |
AC |
65 ms |
2560 KB |
29.txt |
AC |
65 ms |
2560 KB |
30.txt |
AC |
65 ms |
2560 KB |
31.txt |
AC |
65 ms |
2560 KB |
32.txt |
AC |
65 ms |
2560 KB |
33.txt |
AC |
65 ms |
2560 KB |
34.txt |
AC |
63 ms |
2560 KB |
35.txt |
AC |
60 ms |
2560 KB |
36.txt |
AC |
66 ms |
2560 KB |
37.txt |
AC |
62 ms |
2560 KB |
38.txt |
AC |
59 ms |
2560 KB |
39.txt |
AC |
64 ms |
2560 KB |
40.txt |
AC |
60 ms |
2560 KB |
41.txt |
AC |
61 ms |
2560 KB |
42.txt |
AC |
61 ms |
2560 KB |
43.txt |
AC |
60 ms |
2560 KB |
44.txt |
AC |
61 ms |
2560 KB |
45.txt |
AC |
61 ms |
2560 KB |
46.txt |
AC |
61 ms |
2560 KB |
47.txt |
AC |
58 ms |
2560 KB |
48.txt |
AC |
60 ms |
2560 KB |
49.txt |
AC |
59 ms |
2560 KB |
50.txt |
AC |
50 ms |
2560 KB |
51.txt |
AC |
51 ms |
2560 KB |
52.txt |
AC |
58 ms |
2560 KB |
53.txt |
AC |
58 ms |
2560 KB |
54.txt |
AC |
58 ms |
2560 KB |