Submission #123041
Source Code Expand
#include<iostream> #include<cstdio> #include<cmath> #include<algorithm> using namespace std; typedef long long LL; const int MAXN = 950; LL comb[MAXN][MAXN]; LL MOD = 1000000007; void init() { for(int i=0; i<MAXN; i++) comb[i][i] = comb[i][0] = 1; for(int i=0; i<MAXN; i++) for(int j=1; j<i; j++) { comb[i][j] = comb[i-1][j-1] + comb[i-1][j]; comb[i][j] %= MOD; } } int D, L; LL calc(int x, int y) { if(x<0 || y<0) return 0; if(x*y<D+L) return 0; LL ret = comb[x*y][D] * comb[x*y-D][L] % MOD; return ret; } int main() { init(); LL R,C, X,Y; cin>>R>>C>>X>>Y>>D>>L; LL ans = calc(X,Y) - 2*calc(X-1,Y) - 2*calc(X,Y-1) + 4*calc(X-1, Y-1) + calc(X-2, Y) + calc(X, Y-2) - 2*calc(X-2, Y-1) - 2*calc(X-1, Y-2) + calc(X-2, Y-2); ans %= MOD; ans += MOD; ans %= MOD; ans *= (R-X+1) * (C-Y+1); ans %= MOD; cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
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Task | D - AtCoder社の冬 |
User | tokoharu |
Language | C++ (G++ 4.6.4) |
Score | 101 |
Code Size | 947 Byte |
Status | AC |
Exec Time | 39 ms |
Memory | 7196 KB |
Judge Result
Set Name | sub | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 100 / 100 | 1 / 1 | ||||
Status |
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Set Name | Test Cases |
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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 | 37 ms | 7076 KB |
00_sample_02E.txt | AC | 36 ms | 7072 KB |
00_sample_03E.txt | AC | 35 ms | 7068 KB |
00_sample_04.txt | AC | 38 ms | 7028 KB |
test_01.txt | AC | 37 ms | 7080 KB |
test_02.txt | AC | 37 ms | 7196 KB |
test_03E.txt | AC | 35 ms | 7068 KB |
test_04E.txt | AC | 36 ms | 7076 KB |
test_05.txt | AC | 35 ms | 7068 KB |
test_06.txt | AC | 38 ms | 7072 KB |
test_07E.txt | AC | 38 ms | 7072 KB |
test_08E.txt | AC | 36 ms | 7076 KB |
test_09.txt | AC | 37 ms | 7076 KB |
test_10.txt | AC | 37 ms | 7084 KB |
test_11E.txt | AC | 36 ms | 7032 KB |
test_12E.txt | AC | 38 ms | 7024 KB |
test_13.txt | AC | 39 ms | 7028 KB |
test_14.txt | AC | 37 ms | 7080 KB |
test_15E.txt | AC | 36 ms | 7084 KB |
test_16E.txt | AC | 36 ms | 7072 KB |
test_17.txt | AC | 36 ms | 7092 KB |
test_18.txt | AC | 36 ms | 7084 KB |
test_19E.txt | AC | 37 ms | 7080 KB |
test_20E.txt | AC | 37 ms | 7080 KB |
test_21.txt | AC | 36 ms | 7072 KB |
test_22.txt | AC | 36 ms | 7076 KB |
test_23E.txt | AC | 36 ms | 7080 KB |
test_24E.txt | AC | 36 ms | 7008 KB |
test_25.txt | AC | 37 ms | 7076 KB |
test_26.txt | AC | 36 ms | 7076 KB |
test_27E.txt | AC | 35 ms | 7064 KB |
test_28E.txt | AC | 36 ms | 7068 KB |
test_29.txt | AC | 35 ms | 7072 KB |
test_30.txt | AC | 37 ms | 7076 KB |
test_31E.txt | AC | 36 ms | 7032 KB |
test_32E.txt | AC | 36 ms | 7084 KB |
test_33.txt | AC | 35 ms | 7032 KB |
test_34.txt | AC | 36 ms | 7068 KB |
test_35.txt | AC | 36 ms | 7076 KB |
test_36E.txt | AC | 36 ms | 7080 KB |
test_37E.txt | AC | 37 ms | 7004 KB |
test_38E.txt | AC | 37 ms | 7084 KB |
test_39E.txt | AC | 36 ms | 7188 KB |
test_40.txt | AC | 37 ms | 7076 KB |
test_41.txt | AC | 36 ms | 7080 KB |
test_42.txt | AC | 36 ms | 7076 KB |
test_43.txt | AC | 36 ms | 7080 KB |
test_44.txt | AC | 37 ms | 7032 KB |
test_45E.txt | AC | 37 ms | 7012 KB |
test_46.txt | AC | 36 ms | 7076 KB |
test_47E.txt | AC | 37 ms | 7072 KB |
test_48.txt | AC | 36 ms | 7084 KB |