結果
問題 | No.2718 Best Consonance |
ユーザー | karinohito |
提出日時 | 2024-04-07 03:06:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3,078 ms / 4,000 ms |
コード長 | 3,765 bytes |
コンパイル時間 | 6,882 ms |
コンパイル使用メモリ | 313,016 KB |
実行使用メモリ | 302,772 KB |
最終ジャッジ日時 | 2024-04-27 04:55:39 |
合計ジャッジ時間 | 35,309 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 237 ms
41,088 KB |
testcase_01 | AC | 272 ms
41,008 KB |
testcase_02 | AC | 270 ms
41,036 KB |
testcase_03 | AC | 264 ms
41,116 KB |
testcase_04 | AC | 249 ms
41,064 KB |
testcase_05 | AC | 264 ms
40,992 KB |
testcase_06 | AC | 239 ms
40,988 KB |
testcase_07 | AC | 247 ms
41,080 KB |
testcase_08 | AC | 277 ms
41,116 KB |
testcase_09 | AC | 271 ms
41,232 KB |
testcase_10 | AC | 286 ms
41,384 KB |
testcase_11 | AC | 275 ms
41,356 KB |
testcase_12 | AC | 281 ms
41,284 KB |
testcase_13 | AC | 284 ms
41,284 KB |
testcase_14 | AC | 879 ms
74,016 KB |
testcase_15 | AC | 654 ms
66,344 KB |
testcase_16 | AC | 730 ms
68,420 KB |
testcase_17 | AC | 585 ms
61,184 KB |
testcase_18 | AC | 709 ms
70,484 KB |
testcase_19 | AC | 701 ms
66,448 KB |
testcase_20 | AC | 832 ms
72,816 KB |
testcase_21 | AC | 771 ms
72,120 KB |
testcase_22 | AC | 751 ms
72,408 KB |
testcase_23 | AC | 577 ms
59,292 KB |
testcase_24 | AC | 790 ms
77,292 KB |
testcase_25 | AC | 807 ms
76,960 KB |
testcase_26 | AC | 867 ms
78,348 KB |
testcase_27 | AC | 846 ms
75,712 KB |
testcase_28 | AC | 870 ms
77,624 KB |
testcase_29 | AC | 825 ms
77,908 KB |
testcase_30 | AC | 849 ms
78,448 KB |
testcase_31 | AC | 873 ms
77,140 KB |
testcase_32 | AC | 799 ms
77,332 KB |
testcase_33 | AC | 795 ms
76,996 KB |
testcase_34 | AC | 258 ms
41,180 KB |
testcase_35 | AC | 250 ms
41,008 KB |
testcase_36 | AC | 1,109 ms
117,104 KB |
testcase_37 | AC | 295 ms
41,188 KB |
testcase_38 | AC | 3,078 ms
302,772 KB |
testcase_39 | AC | 288 ms
41,016 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #include<atcoder/all> using namespace atcoder; using namespace std; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vvvvll = vector<vvvll>; using vvvvvll = vector<vvvvll>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; using vvvvb = vector<vvvb>; using vvvvvb = vector<vvvvb>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using vvvvd = vector<vvvd>; using vvvvvd = vector<vvvvd>; #define all(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) #define rep2(i, s,t) for (ll i = s; i < (ll) (t); i++) template<class T> bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template<class T> bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll modPow(long long a, long long n, long long p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; long long t = modPow(a, n / 2, p); return (t * t) % p; } ll gcd(ll(a), ll(b)) { if (a == 0)return b; if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } using mint = modint998244353; using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; vector<mint> fact, factinv, inv, factK; ll mod = 998244353; void prenCkModp(ll n) { //factK.resize(4*n+5); fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i); inv[i] = (mod - ((inv[mod % i] * (mod / i)))); factinv[i] = (factinv[i - 1] * inv[i]); } //factK[0]=1; //for(ll i=1;i<4*n+5;i++){ // factK[i]=factK[i-1]*mint(K-i+1); // //K*(K-1)*...*(K-i+1); //} } mint nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]))); } //mint nCkK(ll n,ll k){ // if(K<n||K-n<k)return 0; // mint res=factK[n+k]; // res*=factK[n].inv(); // res*=factinv[k]; // return res; //} bool DEB = 1; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N; cin>>N; vll A(N),B(N); rep(i,N)cin>>A[i]>>B[i]; if(0){//naive rep(i,N)rep(j,i){ ll L=A[i]/gcd(A[i],A[j])*A[j]; ll res=min(A[i]*B[i]/L,A[j]*B[j]/L); cout<<j<<" "<<i<< " "<<res<<endl; } } ll NM=2e5+10; vvll P(NM); for(ll i=1;i<NM;i++){ for(ll j=i;j<NM;j+=i)P[j].push_back(i); } vvll GG(NM); rep(i,N){ for(auto g:P[A[i]]){ GG[g].push_back(i); } } ll an=0; rep(i,NM){ if(GG[i].size()<2)continue; vector<pair<ll,ll>> G; for(auto g:GG[i])G.push_back({A[g]*B[g],A[g]}); sort(all(G)); ll GN=G.size(); rep(j,GN-1){ ll a=G[j].second; ll b=G[j].first/a; ll p=G[j+1].second; ll q=G[j+1].first/p; chmax(an,min((q*i)/a,(b*i)/p)); } } cout<<an<<endl; }