結果
問題 | No.1260 たくさんの多項式 |
ユーザー | hanbei_dayo |
提出日時 | 2020-10-17 15:51:48 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,469 bytes |
コンパイル時間 | 1,702 ms |
コンパイル使用メモリ | 166,680 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-21 02:50:47 |
合計ジャッジ時間 | 5,644 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 | 3 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 3 ms
5,376 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
ソースコード
#include<bits/stdc++.h> using namespace std; #define N (1000000000+7) //#define N 998244353 #define INF 1e18 typedef long long ll; typedef vector<ll> vec; typedef vector<vec> mat; const int inf = (int)1e9; ll inv(ll x,ll power) { ll res = 1; ll k = power; ll y = x%N; while (k) { if (k & 1)res = (res*y) % N; y = (y%N*y%N) % N; k /= 2; } return res; } int main(void){ ll n; cin>>n; ll I = 2; ll ans = 0; for(;I*I<=n;I++){ ll t = n; for(;;){ ans= (ans+t%I)%N; t=t/I; if(t<I){ ans=(ans+t)%N; break; } } } ll level = n; ll INV = inv(2LL,N-2); for(ll i=1;i<=I;i++){ //cout<<ans<<endl; ll t = n/i; if(t*t<=n)continue; if(i == 1){ ll s = n/(i+1); ll l = (n-s)%N; ans = (ans+l+N)%N; ll r1 = n%n; ll r2 = n%(s+1); ll r = (r1+r2)%N; ll tmp = (l*r)%N; tmp = (tmp*INV)%N; ans = (ans+tmp)%N; level = s+1; continue; } ll s = n/(i+1); ll l = (level-1-s)%N; ans = ((l*i)%N+ans+N)%N; ll r1 = n%(level-1); ll r2 = n%(s+1); ll r = (r1+r2)%N; ll tmp = (l*r)%N; tmp = (tmp*INV)%N; ans = (ans+tmp)%N; ans = (ans+N)%N; level = s+1; } cout<<ans<<endl; return 0; }