Submission #2169085


Source Code Expand

#include <bits/stdc++.h>
//#include <math.h>
using namespace std;

#define INF 1.1e9
#define LINF 1.1e18
#define FOR(i,a,b) for (int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define BIT(x,n) bitset<n>(x)
#define PI 3.14159265358979323846

typedef long long ll;
typedef pair<ll,int> P;
//typedef pair<int,P> PP;

//-----------------------------------------------------------------------------

int r,c,x,y,d,l;
const int MOD=1e9+7;
ll ans,zero,one,two,three,four;
ll comb[910][910];

void calc() {
	REP(i,910) comb[i][0]=comb[i][i]=1;
	FOR(i,1,910) FOR(j,1,i) comb[i][j]=(comb[i-1][j-1]+comb[i-1][j])%MOD;
}

ll f(ll N,ll R) {
	if(N>=0&&R>=0&&N>=R) return comb[N][R];
	return 0;
}

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	calc();

	cin>>r>>c>>x>>y>>d>>l;

	ans=(r-x+1)*(c-y+1)%MOD;
	(ans*=comb[d+l][d])%=MOD;

	if(x*y==d+l) {
		cout<<ans<<endl;
		return 0;
	}

	(zero+=f((x-2)*(y-2),d+l))%=MOD;
	(one=2*f((x-2)*(y-1),d+l)%MOD+2*f((x-1)*(y-2),d+l)%MOD)%=MOD;
	(two=4*f((x-1)*(y-1),d+l)%MOD+f((x-2)*y,d+l)+f(x*(y-2),d+l))%=MOD;
	(three=2*f((x-1)*y,d+l)%MOD+2*f(x*(y-1),d+l)%MOD)%=MOD;
	(four=f(x*y,d+l))%=MOD;
	ll tmp=(four-three+two-one+zero);
	while(tmp<0) tmp+=MOD;
	cout<<ans*tmp%MOD<<endl;

	return 0;
}

Submission Info

Submission Time
Task D - AtCoder社の冬
User moko_freedom
Language C++14 (GCC 5.4.1)
Score 101
Code Size 1407 Byte
Status AC
Exec Time 4 ms
Memory 6144 KB

Judge Result

Set Name sub All
Score / Max Score 100 / 100 1 / 1
Status
AC × 25
AC × 52
Set Name Test Cases
sub 00_sample_01E.txt, 00_sample_02E.txt, 00_sample_03E.txt, test_03E.txt, test_04E.txt, test_07E.txt, test_08E.txt, test_11E.txt, test_12E.txt, test_15E.txt, test_16E.txt, test_19E.txt, test_20E.txt, test_23E.txt, test_24E.txt, test_27E.txt, test_28E.txt, test_31E.txt, test_32E.txt, test_36E.txt, test_37E.txt, test_38E.txt, test_39E.txt, test_45E.txt, test_47E.txt
All 00_sample_01E.txt, 00_sample_02E.txt, 00_sample_03E.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03E.txt, test_04E.txt, test_05.txt, test_06.txt, test_07E.txt, test_08E.txt, test_09.txt, test_10.txt, test_11E.txt, test_12E.txt, test_13.txt, test_14.txt, test_15E.txt, test_16E.txt, test_17.txt, test_18.txt, test_19E.txt, test_20E.txt, test_21.txt, test_22.txt, test_23E.txt, test_24E.txt, test_25.txt, test_26.txt, test_27E.txt, test_28E.txt, test_29.txt, test_30.txt, test_31E.txt, test_32E.txt, test_33.txt, test_34.txt, test_35.txt, test_36E.txt, test_37E.txt, test_38E.txt, test_39E.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45E.txt, test_46.txt, test_47E.txt, test_48.txt
Case Name Status Exec Time Memory
00_sample_01E.txt AC 4 ms 6144 KB
00_sample_02E.txt AC 4 ms 6144 KB
00_sample_03E.txt AC 4 ms 6144 KB
00_sample_04.txt AC 4 ms 6144 KB
test_01.txt AC 4 ms 6144 KB
test_02.txt AC 3 ms 6144 KB
test_03E.txt AC 4 ms 6144 KB
test_04E.txt AC 4 ms 6144 KB
test_05.txt AC 4 ms 6144 KB
test_06.txt AC 4 ms 6144 KB
test_07E.txt AC 4 ms 6144 KB
test_08E.txt AC 4 ms 6144 KB
test_09.txt AC 4 ms 6144 KB
test_10.txt AC 4 ms 6144 KB
test_11E.txt AC 4 ms 6144 KB
test_12E.txt AC 4 ms 6144 KB
test_13.txt AC 4 ms 6144 KB
test_14.txt AC 4 ms 6144 KB
test_15E.txt AC 4 ms 6144 KB
test_16E.txt AC 4 ms 6144 KB
test_17.txt AC 4 ms 6144 KB
test_18.txt AC 4 ms 6144 KB
test_19E.txt AC 4 ms 6144 KB
test_20E.txt AC 3 ms 6144 KB
test_21.txt AC 4 ms 6144 KB
test_22.txt AC 4 ms 6144 KB
test_23E.txt AC 4 ms 6144 KB
test_24E.txt AC 4 ms 6144 KB
test_25.txt AC 4 ms 6144 KB
test_26.txt AC 4 ms 6144 KB
test_27E.txt AC 4 ms 6144 KB
test_28E.txt AC 4 ms 6144 KB
test_29.txt AC 4 ms 6144 KB
test_30.txt AC 4 ms 6144 KB
test_31E.txt AC 4 ms 6144 KB
test_32E.txt AC 4 ms 6144 KB
test_33.txt AC 4 ms 6144 KB
test_34.txt AC 4 ms 6144 KB
test_35.txt AC 4 ms 6144 KB
test_36E.txt AC 4 ms 6144 KB
test_37E.txt AC 4 ms 6144 KB
test_38E.txt AC 4 ms 6144 KB
test_39E.txt AC 3 ms 6144 KB
test_40.txt AC 4 ms 6144 KB
test_41.txt AC 4 ms 6144 KB
test_42.txt AC 4 ms 6144 KB
test_43.txt AC 4 ms 6144 KB
test_44.txt AC 3 ms 6144 KB
test_45E.txt AC 4 ms 6144 KB
test_46.txt AC 3 ms 6144 KB
test_47E.txt AC 3 ms 6144 KB
test_48.txt AC 4 ms 6144 KB