結果
問題 | No.752 mod数列 |
ユーザー | jell |
提出日時 | 2018-11-27 23:03:05 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 165 ms / 2,000 ms |
コード長 | 5,282 bytes |
コンパイル時間 | 1,132 ms |
コンパイル使用メモリ | 111,996 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 15:47:50 |
合計ジャッジ時間 | 5,814 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 5 ms
6,940 KB |
testcase_11 | AC | 4 ms
6,944 KB |
testcase_12 | AC | 4 ms
6,944 KB |
testcase_13 | AC | 4 ms
6,944 KB |
testcase_14 | AC | 5 ms
6,940 KB |
testcase_15 | AC | 141 ms
6,940 KB |
testcase_16 | AC | 149 ms
6,940 KB |
testcase_17 | AC | 162 ms
6,944 KB |
testcase_18 | AC | 144 ms
6,944 KB |
testcase_19 | AC | 154 ms
6,944 KB |
testcase_20 | AC | 163 ms
6,944 KB |
testcase_21 | AC | 156 ms
6,940 KB |
testcase_22 | AC | 163 ms
6,944 KB |
testcase_23 | AC | 165 ms
6,940 KB |
testcase_24 | AC | 163 ms
6,940 KB |
testcase_25 | AC | 50 ms
6,944 KB |
testcase_26 | AC | 130 ms
6,944 KB |
testcase_27 | AC | 94 ms
6,940 KB |
testcase_28 | AC | 118 ms
6,940 KB |
testcase_29 | AC | 158 ms
6,944 KB |
testcase_30 | AC | 164 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 3 ms
6,940 KB |
コンパイルメッセージ
main.cpp:120:26: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 120 | i64 bins(i64 ok, i64 ng, auto judge) { | ^~~~
ソースコード
/* #include <boost/functional/hash.hpp> #include <boost/multiprecision/cpp_int.hpp> typedef boost::multiprecision::cpp_int mlint; */ // #include <bits/stdc++.h> #include <deque> #include <queue> #include <vector> #include <algorithm> #include <iostream> #include <set> #include <cmath> #include <tuple> #include <string> #include <functional> #include <iterator> #include <random> #include <unordered_map> #include <unordered_set> #include <map> #include <bitset> #include <stack> #include <iomanip> using namespace std; typedef int64_t i64; typedef double db; typedef vector<vector<int64_t>> mat; typedef pair<int,int> pii; typedef pair<int64_t,int> pli; typedef pair<db,int> pdi; #define esc(x) cout << (x) << endl,exit(0) #define inf(T) (numeric_limits<T>::max() / 2 - 1) #define each(i,v) for(auto i = begin(v),end_copy = end(v); i != end_copy; ++i) #define reach(i,v) for(auto i = rbegin(v),rend_copy = rend(v); i != rend_copy; ++i) #define urep(i,s,t) for(int64_t i = (s),t_copy = (t); i <= t_copy; ++i) #define drep(i,s,t) for(int64_t i = (s),t_copy = (t); i >= t_copy; --i) #define rep(i,n) urep(i,0,(n) - 1) #define rep1(i,n) urep(i,1,(n)) #define rrep(i,n) drep(i,(n) - 1,0) #define all(v) begin(v),end(v) #define rall(v) rbegin(v),rend(v) #define vct vector #define prque priority_queue #define u_map unordered_map #define u_set unordered_set #define l_bnd lower_bound #define u_bnd upper_bound #define rsz resize #define ers erase #define emp emplace #define emf emplace_front #define emb emplace_back #define pof pop_front #define pob pop_back #define mkp make_pair #define mkt make_tuple #define fir first #define sec second struct setupper { setupper(uint8_t prec) { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(prec); } } setupper_obj(10); template <class T, class U> ostream& operator << (ostream& s, pair<T,U> p) { return s << p.fir << " " << p.sec; } template <class T> ostream& operator << (ostream& s, vector<T>& v) { for(auto i = v.begin(); i != v.end(); i++) { if(i != begin(v)) s << " "; s << *i; } return s; } template <class T> void hash_combine(size_t &seed, T const &key) { hash<T> hasher; seed ^= hasher(key) + 0x9e3779b9 + (seed << 6) + (seed >> 2); } namespace std { template <class T, class U> struct hash<pair<T,U>> { size_t operator()(pair<T,U> const &p) const { size_t seed(0); hash_combine(seed,p.first); hash_combine(seed,p.second); return seed; } }; template <class T, class U, class V> struct hash<tuple<T,U,V>> { size_t operator()(tuple<T,U,V> const &t) const { size_t seed(0); hash_combine(seed,get<0>(t)); hash_combine(seed,get<1>(t)); hash_combine(seed,get<2>(t)); return seed; } }; } const auto add = [](auto &x, auto y) { x += y; }; const auto mul = [](auto &x, auto y) { x *= y; }; const auto lam_min = [](auto x, auto y) { return min(x,y); }; const auto lam_max = [](auto x, auto y) { return max(x,y); }; bool odd(i64 x) { return x & 1; } bool even(i64 x) { return !odd(x); } bool parity(i64 x, i64 y) { return odd(x) ^ even(y); } bool bit(i64 n, uint8_t e) { return n >> e & 1; } int ilog(i64 x, uint64_t b) { if(x) return ilog(x / b,b) + 1; return -1; } i64 qceil(i64 x, i64 y) { return x > 0 ? (x - 1) / y + 1 : x / y; } i64 gcd(i64 a, i64 b) { if(!b) return abs(a); return gcd(b, a % b); } i64 lcm(i64 a, i64 b) { if(a | b) return abs(a / gcd(a, b) * b); return 0; } i64 extgcd(i64 a, i64 b, i64 &x, i64 &y) { i64 d = a; if(b) { d = extgcd(b,a % b,y,x); y -= (a / b) * x; } else { x = 1,y = 0; } return d; } i64 bins(i64 ok, i64 ng, auto judge) { while(abs(ok - ng) > 1) { i64 mid = ok + ng >> 1; (judge(mid) ? ok : ng) = mid; } return ok; } template <class T, class U> bool chmax(T& m, U x) { if(m < x) { m = x; return 1; } return 0; } template <class T, class U> bool chmin(T& m, U x) { if(m > x) { m = x; return 1; } return 0; } template <class T> T cmprs(T& v) { T tmp = v,ret = v; sort(all(tmp)); tmp.erase(unique(all(tmp)),end(tmp)); each(i,ret) *i = l_bnd(all(tmp),*i) - begin(tmp) + 1; return ret; } const int dx[3] = {0,1,-1},dy[3] = {0,1,-1}; const i64 mod = 1e9 + 7; const db gold = (sqrt(5.0) + 1.0) * 0.5; const db eps = 1e-15; i64 func(int x) { return (i64)x*(x+1)/2; } int main() { i64 p,quer; cin>>p>>quer; int k=0; i64 vsum[100010]; vsum[0]=0; while(++k) { if(k*(k+1)<=p) { vsum[k]=p/k*k+vsum[k-1]; } else break; } int mx=p/k; int cnt[100010]; i64 sum2[100010]; sum2[mx+1]=0; cnt[mx+1]=0; drep(i,mx,1) cnt[i]=p/i-p/(i+1),sum2[i]=sum2[i+1]+i*(func(p/i)-func(p/(i+1))); drep(i,mx,1) cnt[i]+=cnt[i+1]; auto calc=[&](i64 x) { if(x<k) return vsum[x]; i64 ret=vsum[k-1]; int idx=bins(0,mx+1,[&](int y){return cnt[y]>x-k+1;}); if(!idx) return ret+sum2[1]; ret+=sum2[idx+1]; ret+=(func(x)-func(k-1+cnt[idx+1]))*idx; return ret; }; while(quer--) { int l,r; cin>>l>>r; cout<<p*(r-l+1)-(calc(r)-calc(l-1))<<endl; } }