結果

問題 No.2718 Best Consonance
ユーザー woodywoodywoodywoody
提出日時 2024-04-06 04:00:03
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 669 ms / 4,000 ms
コード長 7,579 bytes
コンパイル時間 4,132 ms
コンパイル使用メモリ 244,372 KB
実行使用メモリ 52,748 KB
最終ジャッジ日時 2024-10-02 12:56:09
合計ジャッジ時間 18,922 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
このコードへのチャレンジ
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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 231 ms
46,340 KB
testcase_01 AC 212 ms
46,468 KB
testcase_02 AC 216 ms
46,340 KB
testcase_03 AC 225 ms
46,336 KB
testcase_04 AC 218 ms
46,340 KB
testcase_05 AC 232 ms
46,340 KB
testcase_06 AC 224 ms
46,464 KB
testcase_07 AC 273 ms
46,336 KB
testcase_08 AC 269 ms
46,336 KB
testcase_09 AC 264 ms
46,344 KB
testcase_10 AC 259 ms
46,472 KB
testcase_11 AC 266 ms
46,472 KB
testcase_12 AC 275 ms
46,340 KB
testcase_13 AC 278 ms
46,340 KB
testcase_14 AC 401 ms
52,360 KB
testcase_15 AC 312 ms
50,820 KB
testcase_16 AC 328 ms
51,268 KB
testcase_17 AC 312 ms
50,180 KB
testcase_18 AC 385 ms
51,720 KB
testcase_19 AC 371 ms
50,696 KB
testcase_20 AC 355 ms
52,228 KB
testcase_21 AC 365 ms
51,964 KB
testcase_22 AC 368 ms
52,240 KB
testcase_23 AC 330 ms
49,800 KB
testcase_24 AC 365 ms
52,552 KB
testcase_25 AC 390 ms
52,588 KB
testcase_26 AC 384 ms
52,520 KB
testcase_27 AC 402 ms
52,528 KB
testcase_28 AC 397 ms
52,540 KB
testcase_29 AC 371 ms
52,612 KB
testcase_30 AC 398 ms
52,552 KB
testcase_31 AC 424 ms
52,576 KB
testcase_32 AC 370 ms
52,724 KB
testcase_33 AC 380 ms
52,748 KB
testcase_34 AC 234 ms
46,340 KB
testcase_35 AC 279 ms
46,340 KB
testcase_36 AC 422 ms
52,568 KB
testcase_37 AC 255 ms
46,464 KB
testcase_38 AC 669 ms
52,528 KB
testcase_39 AC 249 ms
46,468 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,b) for(int i=0;i<b;i++)
#define rrep(i,b) for(int i=b-1;i>=0;i--)
#define rep1(i,b) for(int i=1;i<b;i++)
#define repx(i,x,b) for(int i=x;i<b;i++)
#define rrepx(i,x,b) for(int i=b-1;i>=x;i--)
#define fore(i,a) for(auto& i:a)
#define rng(x) (x).begin(), (x).end()
#define rrng(x) (x).rbegin(), (x).rend()
#define sz(x) ((int)(x).size())
#define pb push_back
#define fi first
#define se second
#define pcnt __builtin_popcountll

using namespace std;
using namespace atcoder;

using ll = long long;
using ull = long long;
using ld = long double;
template<typename T> using mpq = priority_queue<T, vector<T>, greater<T>>;
template<typename T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<typename T> bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<typename T> ll sumv(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}}
#define retval(x) {cout << #x << endl; return;}
#define cout2(x,y) cout << x << " " << y << endl;
#define coutp(p) cout << p.fi << " " << p.se << endl;
#define out cout << ans << endl;
#define outd cout << fixed << setprecision(20) << ans << endl;
#define outm cout << ans.val() << endl;
#define outv fore(yans , ans) cout << yans << "\n";
#define outdv fore(yans , ans) cout << yans.val() << "\n";
#define assertmle(x) if (!(x)) {vi v(3e8);}
#define asserttle(x) if (!(x)) {while(1){}}
#define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;}
#define coutv2(v) fore(vy , v) cout << vy << "\n";
#define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;}
#define coutvm2(v) fore(vy , v) cout << vy.val() << "\n";
using pll = pair<ll,ll>;using pil = pair<int,ll>;using pli = pair<ll,int>;using pii = pair<int,int>;using pdd = pair<ld,ld>;
using vi = vector<int>;using vd = vector<ld>;using vl = vector<ll>;using vs = vector<string>;using vb = vector<bool>;
using vpii = vector<pii>;using vpli = vector<pli>;using vpll = vector<pll>;using vpil = vector<pil>;
using vvi = vector<vector<int>>;using vvl = vector<vector<ll>>;using vvs = vector<vector<string>>;using vvb = vector<vector<bool>>;
using vvpii = vector<vector<pii>>;using vvpli = vector<vector<pli>>;using vvpll = vector<vpll>;using vvpil = vector<vpil>;
using mint = modint998244353;
//using mint = modint1000000007;
//using mint = dynamic_modint<0>;
using vm = vector<mint>;
using vvm = vector<vector<mint>>;
vector<int> dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1};
ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;}
ll lcm(ll a, ll b) { return a/gcd(a,b)*b;}
#define yes {cout <<"Yes"<<endl;}
#define no {cout <<"No"<<endl;}
const double eps = 1e-10;
const ll LINF = 2001002003004005006ll;
const int INF = 1001001001;
#ifdef MY_LOCAL_DEBUG
#include "./debug/localDebug.cpp"
#define showp(p) cerr<<#p<<" = "<<p.fi<<" : "<<p.se<<endl
#define show1(a) cerr<<#a<<" = "<<a<<endl
#define show2(a,b) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<endl
#define show3(a,b,c) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<endl
#define show4(a,b,c,d) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<endl
#define show5(a,b,c,d,e) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<" : "<<#e<<" = "<<e<<endl
#define DEBUG_LINE cout << "DEBUG_LINE : " << __LINE__ << endl
#define showv(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy << " ";} cout << endl;}
#define showv2(v) {cout<<#v<<endl; fore(vy , v) cout << vy << "\n";}
#define showvm(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy.val() << " ";} cout << endl;}
#define showvm2(v) {cout<<#v<<endl; fore(vy , v) cout << vy.val() << "\n";}
#define showmat(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg << " "; cout << endl;}}
#define showmatm(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg.val() << " "; cout << endl;}}
#else
#define showp(p)
#define show1(a)
#define show2(a,b)
#define show3(a,b,c)
#define show4(a,b,c,d)
#define show5(a,b,c,d,e)
#define DEBUG_LINE
#define showv(v)
#define showv2(v)
#define showvm(v)
#define showvm2(v)
#define showmat(v)
#define showmatm(v)
#endif
#define overload5(a,b,c,d,e,f, ...) f
#define show(...) overload5(__VA_ARGS__, show5, show4, show3, show2, show1)(__VA_ARGS__)

namespace math{
    vvi div,mul;
    void div_init(int n){
        div.resize(n+1);
        mul.resize(n+1);
        for(int i = 1;i <= n;i++){
            for(int j = i;j <= n;j+=i){
                div[j].pb(i);
                mul[i].pb(j);
            }
        }
        return;
    }

    vl divisor(ll x){
        vl res;
        for(ll i=1;i*i<=x;i++){
            if (x%i != 0) continue;
            res.pb(i);
            if (i*i != x) res.pb(x/i); 
        }
        sort(rng(res));
        return res;
    }
    ll floorsqrt(ll x) {
        ll l = 0, r = ll(2e9)+1;
        while (l+1<r) {
          ll c = (l+r)/2;
          if (c*c <= x) l = c; else r = c;
        }
        return l;
    }
    ll floorlog(int a,ll x){
        ll tmp=1; ll ret=0;
        while(tmp <= x){
            if (tmp >= LLONG_MAX/a) break;
            tmp *= a;
            ret++;
        }
        ret--;
        return ret;
    }
    ll pow(ll x , int a){
        assert(x > 0);
        assert(a >= 0);
        ll ret = 1;
        rep(_,a){
            assert (ret < LLONG_MAX/x);
            ret *= x;
        }
        return ret;
    }
    ll base(ll x,int a){
        ll ans=0,y;
        for (ll i=0;x>0;i++){
            y = x/a;
            ans += (x - y*a)*pow(10,i);
            x = y;
        }
        return ans;
    }
    string baseS(ll x,int a){
        string ans;
        ll y;
        for (ll i=0;x>0;i++){
            y = x/a;
            ans += '0' + (x - y*a);
            x = y;
        }
        reverse(rng(ans));
        return ans;
    }
    template<typename T>
    ll inv(vector<T>& v){
        int n = sz(v);
        map<T,int> mp;
        fore(y,v) mp[y] = 0;
        int m = 0;
        fore(y,mp) y.se = m++;
        fenwick_tree<T> fw(m);
        ll ret = 0;
        rep(i,n){
            int k = mp[v[i]];
            ret += fw.sum(k+1,m);
            fw.add(k,1);
        }
        return ret;
    }
}

// namespace math

// .div.mul : div[i]、mul[i]はそれぞれiの約数、倍数を格納している。
// .div_init(n) : div,mulを初期化。引数はnまで。n < 3e5程
// .divisor(x) : xの約数列挙。xは64bit整数。
// .floorsqrt(x) : floor(sqrt(x))。xは64bit整数。誤差は発生しない。
// .floorlog(a , x) : floor(loga(x))。xは64bit整数。誤差は発生しない。
// .pow(x , a) : x^a。誤差は発生しない。
// .base(x , a) : x(10進数)をa進数表記に。1 <= a <= 10。戻り値はll型。 
// .baseS(x , a) : x(10進数)をa進数表記に。1 <= a <= 10。戻り値はstring型。 
// .inv(v) : vの転倒数。

void solve(){
    int n; cin>>n;
    math::div_init(2e5);
    vl a(n); vl b(n);
    rep(i,n) cin>>a[i]>>b[i];
    vpli v(n);
    rep(i,n) v[i] = {a[i]*b[i], i};
    sort(rrng(v));
    vl mn((int)2e5+1,LINF);
    ll ans = 0;
    rep(i,n){
        int id = v[i].se;
        fore(k, math::div[a[id]]){
            ll tmp = (b[id]*k/mn[k]);
            chmax(ans, tmp);
            chmin(mn[k], a[id]);
        }
    }
    out;

    return;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin>>t;

    rep(i,t){
        solve();
    }

    return 0;
}
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