結果
問題 | No.2849 Birthday Donuts |
ユーザー | 👑 potato167 |
提出日時 | 2024-08-23 23:10:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,124 ms / 6,000 ms |
コード長 | 3,738 bytes |
コンパイル時間 | 2,549 ms |
コンパイル使用メモリ | 214,384 KB |
実行使用メモリ | 154,176 KB |
最終ジャッジ日時 | 2024-08-23 23:11:58 |
合計ジャッジ時間 | 45,723 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 | 1,016 ms
153,932 KB |
testcase_01 | AC | 1,020 ms
154,028 KB |
testcase_02 | AC | 1,207 ms
153,900 KB |
testcase_03 | AC | 1,183 ms
154,068 KB |
testcase_04 | AC | 2,033 ms
153,928 KB |
testcase_05 | AC | 2,092 ms
153,900 KB |
testcase_06 | AC | 2,124 ms
154,104 KB |
testcase_07 | AC | 2,060 ms
154,148 KB |
testcase_08 | AC | 2,022 ms
154,068 KB |
testcase_09 | AC | 2,051 ms
154,116 KB |
testcase_10 | AC | 2,101 ms
154,040 KB |
testcase_11 | AC | 2,066 ms
154,040 KB |
testcase_12 | AC | 1,970 ms
153,928 KB |
testcase_13 | AC | 2,006 ms
154,036 KB |
testcase_14 | AC | 2,068 ms
154,084 KB |
testcase_15 | AC | 2,036 ms
153,996 KB |
testcase_16 | AC | 2,096 ms
154,176 KB |
testcase_17 | AC | 2,038 ms
154,104 KB |
testcase_18 | AC | 2,112 ms
154,044 KB |
testcase_19 | AC | 2,013 ms
154,104 KB |
testcase_20 | AC | 2,038 ms
154,120 KB |
testcase_21 | AC | 1,208 ms
154,080 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; const int mod=998244353; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;} template<class T> void vec_out(vector<T> &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";} else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}} template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} template<class T> bool inside(T l,T x,T r){return l<=x&&x<r;} //return divisors list 1~uuper //O(upper\log(upper)) std::vector<std::vector<int>> divisors_table(int upper){ std::vector<std::vector<int>> res(upper+1); for(int i=1;i<=upper;i++){ for(int j=i;j<=upper;j+=i){ res[j].push_back(i); } } return res; } #include <atcoder/segtree> ll op(ll a, ll b){ return a + b; } ll e(){ return 0; } void solve(); // CYAN / FREDERIC int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; rep(i, 0, t) solve(); } void solve(){ ll lim = 200'200; auto D = divisors_table(lim); vector<ll> dp(lim); rep(i, 2, lim){ dp[i] += i - 1; for (int j = i * 2; j < lim; j += i){ dp[j] -= dp[i]; } } atcoder::segtree<ll, op, e> seg(dp); vector<ll> sum(lim); rep(i, 0, lim - 1) sum[i + 1] = sum[i] + dp[i]; const int X = 2000; vector<vector<ll>> save(lim); rep(L, 2, lim){ ll s = 1 + (L / X); rep(j, 0, s){ save[L].push_back(seg.prod(L, min(lim, (ll)L + j * X))); } for (auto x : D[L]) { if (x + L >= lim) break; seg.set(x + L, seg.get(x + L) + dp[x]); } seg.set(L, 0); } ll ans = 0; ll T; cin >> T; for (auto &x : D) reverse(all(x)); while (T--){ ll L, R; cin >> L >> R; L ^= ans; R ^= ans; // cout << L << " " << R << endl; ans = 0; R++; if (2 * (L - 1) < R){ ans = sum[R]; } else{ int tmp = (R - L) / X; ans = save[L][tmp]; tmp = tmp * X + L; while (tmp < R){ for (auto x : D[tmp]){ if (L <= tmp - x) break; // cout << ans << " " << dp[x] << " " << x << " " <<tmp << endl; ans += dp[x]; } tmp++; } } cout << ans << endl; } }