結果
問題 | No.1202 お菓子の食べ方 |
ユーザー | fuppy_kyopro |
提出日時 | 2020-08-28 22:41:05 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,123 ms / 2,000 ms |
コード長 | 4,937 bytes |
コンパイル時間 | 1,984 ms |
コンパイル使用メモリ | 176,408 KB |
実行使用メモリ | 39,408 KB |
最終ジャッジ日時 | 2024-11-14 01:30:13 |
合計ジャッジ時間 | 29,179 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1,122 ms
39,240 KB |
testcase_01 | AC | 1,123 ms
39,132 KB |
testcase_02 | AC | 1,119 ms
39,284 KB |
testcase_03 | AC | 1,119 ms
39,172 KB |
testcase_04 | AC | 1,121 ms
39,268 KB |
testcase_05 | AC | 1,118 ms
39,368 KB |
testcase_06 | AC | 1,120 ms
39,360 KB |
testcase_07 | AC | 1,121 ms
39,408 KB |
testcase_08 | AC | 1,121 ms
39,332 KB |
testcase_09 | AC | 1,118 ms
39,276 KB |
testcase_10 | AC | 110 ms
35,540 KB |
testcase_11 | AC | 220 ms
35,868 KB |
testcase_12 | AC | 628 ms
37,416 KB |
testcase_13 | AC | 122 ms
35,392 KB |
testcase_14 | AC | 603 ms
37,416 KB |
testcase_15 | AC | 99 ms
35,416 KB |
testcase_16 | AC | 424 ms
36,548 KB |
testcase_17 | AC | 243 ms
35,944 KB |
testcase_18 | AC | 222 ms
35,780 KB |
testcase_19 | AC | 116 ms
35,660 KB |
testcase_20 | AC | 465 ms
36,808 KB |
testcase_21 | AC | 477 ms
36,740 KB |
testcase_22 | AC | 136 ms
35,620 KB |
testcase_23 | AC | 374 ms
36,504 KB |
testcase_24 | AC | 380 ms
36,472 KB |
testcase_25 | AC | 121 ms
35,508 KB |
testcase_26 | AC | 518 ms
37,036 KB |
testcase_27 | AC | 428 ms
36,608 KB |
testcase_28 | AC | 181 ms
35,708 KB |
testcase_29 | AC | 252 ms
36,000 KB |
testcase_30 | AC | 78 ms
35,328 KB |
testcase_31 | AC | 79 ms
35,316 KB |
testcase_32 | AC | 78 ms
35,388 KB |
testcase_33 | AC | 78 ms
35,360 KB |
testcase_34 | AC | 78 ms
35,304 KB |
testcase_35 | AC | 77 ms
35,384 KB |
testcase_36 | AC | 78 ms
35,320 KB |
testcase_37 | AC | 78 ms
35,336 KB |
testcase_38 | AC | 78 ms
35,372 KB |
testcase_39 | AC | 78 ms
35,260 KB |
testcase_40 | AC | 1,121 ms
39,196 KB |
testcase_41 | AC | 1,123 ms
39,236 KB |
testcase_42 | AC | 1,121 ms
39,248 KB |
testcase_43 | AC | 1,121 ms
39,256 KB |
testcase_44 | AC | 1,118 ms
39,316 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl; #define DEBUG_MAT(v) cerr<<#v<<endl;for(int i=0;i<v.size();i++){for(int j=0;j<v[i].size();j++) {cerr<<v[i][j]<<" ";}cerr<<endl;} typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector< vector<int> > #define vll vector< vector<ll> > #define vs vector<string> #define pii pair<int,int> #define pis pair<int,string> #define psi pair<string,int> #define pll pair<ll,ll> template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>0;i--) #define REP(i,a,b) for(int i=a;i<b;i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(),c.end() template<class T> bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; #define Sp(p) cout<<setprecision(25)<< fixed<<p<<endl; // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; #define fio() cin.tie(0); ios::sync_with_stdio(false); const ll MOD = 1000000007; // const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' const int MAXN = 2055555; vl fact(MAXN); vl rfact(MAXN); ll mod_pow(ll x, ll p, ll M = MOD) { if (p < 0) { x = mod_pow(x, M - 2, M); p = -p; } ll a = 1; while (p) { if (p % 2) a = a*x%M; x = x*x%M; p /= 2; } return a; } ll mod_inverse(ll a, ll M = MOD) { return mod_pow(a, M - 2, M); } void set_fact(ll n, ll M = MOD) { fact[0] = 1; for (ll i = 1; i <= n; i++) { fact[i] = i * fact[i - 1] % M; } rfact[n] = mod_inverse(fact[n], M); for (ll i = n - 1; i >= 0; i--) { rfact[i] = (i + 1) * rfact[i + 1] % M; } } //http://drken1215.hatenablog.com/entry/2018/06/08/210000 //n���傫��fact���v�Z�ł��Ȃ��Ƃ��̂ق��̌v�Z���@�ɂ��ď����Ă��� ll nCr(ll n, ll r, ll M = MOD) { if (r > n) return 0; assert(fact[2] == 2); ll ret = fact[n]; if (rfact[r] == 0) { rfact[r] = mod_inverse(fact[r], M); } ret = (ret*rfact[r]) % M; if (rfact[n - r] == 0) { rfact[n - r] = mod_inverse(fact[n - r], M); } ret = (ret*rfact[n - r]) % M; return ret; } ll nHr(ll n, ll r) { return nCr(n+r-1, r); } ll func(int a, int b, int n) { return (n + 1) * nCr(b + n + 1, b) % MOD * nCr(a + b + n + 1, a) % MOD * mod_inverse(a + b + 1) % MOD; } signed main() { fio(); set_fact(2012345); int n, m; cin >> n >> m; vii s(n, vi(m)); rep (i, n) { rep (j, m) { cin >> s[i][j]; } } ll ans = 0; for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i != n and j != m) { int last = s[i][j]; ans += nCr(i + j + last - 1, i) * nCr(j + last - 1, j) % MOD; ans %= MOD; } if (i != n and j != 0) { int last = s[i][j - 1]; int start = 0; if (j != m) start = s[i][j]; ans += func(i, j - 1, last - 1) - func(i, j - 1, start - 1); ans %= MOD; // for (int k = start; k < last; k++) { // ans += nCr(i + j + k - 1, i) * nCr(j + k - 1, j - 1) % MOD; // ans %= MOD; // } } if (j != m and i != 0) { int last = s[i - 1][j]; int start = 0; if (i != n) start = s[i][j]; ans += func(i - 1, j, last - 1) - func(i - 1, j, start - 1); ans %= MOD; // for (int k = start; k < last; k++) { // ans += nCr(i + j + k - 1, i - 1) * nCr(j + k, j) % MOD; // ans %= MOD; // } } } } cout << (ans + MOD) % MOD << endl; }