結果
問題 | No.2882 Comeback |
ユーザー | akiaa11 |
提出日時 | 2024-09-10 16:10:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 23 ms / 2,000 ms |
コード長 | 4,468 bytes |
コンパイル時間 | 4,493 ms |
コンパイル使用メモリ | 266,312 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-10 16:11:00 |
合計ジャッジ時間 | 6,166 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,944 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 20 ms
6,944 KB |
testcase_11 | AC | 17 ms
6,944 KB |
testcase_12 | AC | 20 ms
6,940 KB |
testcase_13 | AC | 20 ms
6,940 KB |
testcase_14 | AC | 19 ms
6,944 KB |
testcase_15 | AC | 23 ms
6,940 KB |
testcase_16 | AC | 17 ms
6,944 KB |
testcase_17 | AC | 19 ms
6,944 KB |
testcase_18 | AC | 22 ms
6,944 KB |
testcase_19 | AC | 20 ms
6,940 KB |
testcase_20 | AC | 21 ms
6,940 KB |
testcase_21 | AC | 20 ms
6,940 KB |
testcase_22 | AC | 20 ms
6,940 KB |
testcase_23 | AC | 20 ms
6,940 KB |
testcase_24 | AC | 19 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,944 KB |
testcase_30 | AC | 4 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<int(n);++i) #define rep2(i,a,n) for(int i=int(a);i<int(n);++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif #define M_PI 3.14159265358979323846 using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() >> 2; constexpr int inf=numeric_limits<int>::max() >> 1; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int test;cin>>test; rep(_, test){ int a, b;cin>>a>>b; int sq = sqrt(a); ll ans = 0; { int m = b / (a + 1); rep(i, 1, m + 1){ int l = b / (i + 1) + 1, r = b / i; if(r <= a || l > b) continue; chmax(l, a + 1); chmin(r, b); int u = a % l >= b % l; int bsl = l, bsr = r; l--, r++; while(r - l > 1){ int mid = (l + r) / 2; if(a >= b % bsl - (mid - bsl) * i){ if(u) l = mid; else r = mid; }else{ if(u) r = mid; else l = mid; } } if(u) ans += l - bsl + 1; else ans += bsr - r + 1; } } rep(i, 1, sq + 1) ans += a % i >= b % i; rep(i, 1, sq + 1){ int l = a / (i + 1) + 1, r = a / i; if(r <= sq) continue; chmax(l, sq + 1); int lb = b / l, rb = b / r; rep(j, rb, lb + 1){ int l2 = b / (j + 1) + 1, r2 = b / j; chmax(l2, l); chmin(r2, r); int bsl = l2, bsr = r2; int u = a % l2 >= b % l2; l2--, r2++; while(r2 - l2 > 1){ int mid = (l2 + r2) / 2; if(a % l - (mid - l) * i >= b % bsl - (mid - bsl) * j){ if(u) l2 = mid; else r2 = mid; }else{ if(u) r2 = mid; else l2 = mid; } } ll p = ans; if(u) ans += l2 - bsl + 1; else ans += bsr - r2 + 1; } } cout<<ans<<endl; } }