結果

問題 No.1826 Fruits Collecting
ユーザー t98slidert98slider
提出日時 2022-01-28 23:23:45
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 237 ms / 2,000 ms
コード長 8,845 bytes
コンパイル時間 2,564 ms
コンパイル使用メモリ 181,308 KB
実行使用メモリ 18,736 KB
最終ジャッジ日時 2023-08-28 21:59:41
合計ジャッジ時間 9,467 ms
ジャッジサーバーID
(参考情報)
judge15 / judge13
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 2 ms
4,360 KB
testcase_01 AC 3 ms
4,356 KB
testcase_02 AC 2 ms
4,356 KB
testcase_03 AC 3 ms
4,356 KB
testcase_04 AC 2 ms
4,352 KB
testcase_05 AC 90 ms
9,480 KB
testcase_06 AC 151 ms
15,432 KB
testcase_07 AC 106 ms
11,496 KB
testcase_08 AC 12 ms
4,356 KB
testcase_09 AC 148 ms
12,748 KB
testcase_10 AC 100 ms
11,412 KB
testcase_11 AC 96 ms
9,824 KB
testcase_12 AC 38 ms
5,816 KB
testcase_13 AC 19 ms
4,700 KB
testcase_14 AC 30 ms
4,872 KB
testcase_15 AC 235 ms
17,372 KB
testcase_16 AC 234 ms
18,532 KB
testcase_17 AC 235 ms
18,736 KB
testcase_18 AC 236 ms
17,216 KB
testcase_19 AC 235 ms
18,280 KB
testcase_20 AC 237 ms
18,244 KB
testcase_21 AC 236 ms
17,160 KB
testcase_22 AC 235 ms
17,896 KB
testcase_23 AC 235 ms
18,512 KB
testcase_24 AC 233 ms
17,876 KB
testcase_25 AC 2 ms
4,356 KB
testcase_26 AC 1 ms
4,356 KB
testcase_27 AC 1 ms
4,352 KB
testcase_28 AC 2 ms
4,352 KB
testcase_29 AC 1 ms
4,360 KB
testcase_30 AC 46 ms
6,524 KB
testcase_31 AC 92 ms
10,032 KB
testcase_32 AC 47 ms
6,244 KB
testcase_33 AC 163 ms
15,304 KB
testcase_34 AC 135 ms
11,388 KB
testcase_35 AC 31 ms
4,776 KB
testcase_36 AC 161 ms
14,612 KB
testcase_37 AC 115 ms
10,984 KB
testcase_38 AC 81 ms
9,124 KB
testcase_39 AC 117 ms
13,628 KB
testcase_40 AC 153 ms
15,460 KB
testcase_41 AC 34 ms
5,544 KB
testcase_42 AC 6 ms
4,356 KB
testcase_43 AC 1 ms
4,360 KB
testcase_44 AC 1 ms
4,356 KB
testcase_45 AC 1 ms
4,352 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>
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++)
#define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++)
#define codefor int test;scanf("%d",&test);while(test--)
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define yes(ans) if(ans)printf("yes\n");else printf("no\n")
#define Yes(ans) if(ans)printf("Yes\n");else printf("No\n")
#define YES(ans) if(ans)printf("YES\n");else printf("NO\n")
#define popcount(v) __builtin_popcountll(v)
#define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))
#define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))
#define vector4d(type,name,h,w,d,...) vector<vector<vector<vector<type>>>>name(h,vector<vector<vector<type>>>(w,vector<vector<type>>(d,vector<type>(__VA_ARGS__))))
using namespace std;
using ll = long long;
template<class T> using rpriority_queue = priority_queue<T, vector<T>, greater<T>>;
const int MOD=1000000007;
const int MOD2=998244353;
const int INF=1<<30;
const ll INF2=1LL<<60;
void scan(int& a){scanf("%d",&a);}
void scan(long long& a){scanf("%lld",&a);}
template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);}
template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));}
template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i);}
template<class T> void scan(T& a){cin>>a;}
template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);}
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);}
void print(const int& a){printf("%d",a);}
void print(const long long& a){printf("%lld",a);}
void print(const double& a){printf("%.15lf",a);}
template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);}
template<class T> void print(const T& a){cout<<a;}
template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}}
void out(){putchar('\n');}
template<class T> void out(const T& t){print(t);putchar('\n');}
template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);}
template<class T> void dprint(const T& a){cerr<<a;}
template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}}
void debug(){cerr<<endl;}
template<class T> void debug(const T& t){dprint(t);cerr<<endl;}
template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);}
ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }
ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }
ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;}
ll updivide(ll a,ll b){return (a+b-1)/b;}
int msb(ll v){return 63-__builtin_clzll(v);}
template<class T> void chmax(T &a,const T b){if(b>a)a=b;}
template<class T> void chmin(T &a,const T b){if(b<a)a=b;}

template<class T> struct compressed_array{
    int N;
    vector<T> dat;
    const T operator[](int i) const { return dat[i]; }
    T operator[](int i) { return dat[i]; }
    compressed_array(){}
    compressed_array(vector<int> &a){
        dat=a;
    }
    void build(){
        sort(dat.begin(), dat.end());
        dat.erase(unique(dat.begin(), dat.end()), dat.end());
        N = dat.size();
    }
    int size(){return N;}
    void insert(const T v){
        dat.push_back(v);
    }
    void insert(vector<T> &a){
        for(int i = 0; i < a.size() ; i++)dat.push_back(a[i]);
    }
    //type1でfirst,type2でsecond
    void insert(vector<pair<T, T>> &a, int type){
        if(type==1){
            for(int i = 0; i < a.size(); i++)dat.push_back(a[i].first);
        }else{
            for(int i = 0; i < a.size(); i++)dat.push_back(a[i].second);
        }
    }
    template<size_t size> void insert(vector<array<T,size>> &a, int pos){
        assert(0 <= pos && pos < size);
        for(int i = 0; i < a.size() ; i++){
            dat.push_back(a[i][pos]);
        }
    }
    int load(T &v){
        return lower_bound(dat.begin(), dat.end(), v) - dat.begin();
    }
    void load(vector<T> &a){
        for(int i = 0; i < a.size() ; i++)a[i] = load(a[i]);
    }
    void load(vector<pair<T, T>> &a, int type){
        if(type==1){
            for(int i = 0; i < a.size(); i++)a[i].first = load(a[i].first);
        }else{
            for(int i = 0; i < a.size(); i++)a[i].second = load(a[i].second);
        }
    }
    template<size_t size> void load(vector<array<T,size>> &a, int pos){
        assert(0 <= pos && pos < size);
        for(int i = 0; i < a.size() ; i++){
            a[i][pos] = load(a[i][pos]);
        }
    }
};

template <class S, S (*op)(S, S), S (*e)()> struct segtree {
  public:
    segtree() : segtree(0) {}
    segtree(int n) : segtree(std::vector<S>(n, e())) {}
    segtree(const std::vector<S>& v) : _n(int(v.size())) {
        log = ceil_pow2(_n);
        size = 1 << log;
        d = std::vector<S>(2 * size, e());
        for (int i = 0; i < _n; i++) d[size + i] = v[i];
        for (int i = size - 1; i >= 1; i--) {
            update(i);
        }
    }

    void set(int p, S x) {
        assert(0 <= p && p < _n);
        p += size;
        d[p] = x;
        for (int i = 1; i <= log; i++) update(p >> i);
    }

    S get(int p) {
        assert(0 <= p && p < _n);
        return d[p + size];
    }
    const S operator[](int p) const { return get(p); }
    S operator[](int p) { return get(p); }

    S prod(int l, int r) {
        assert(0 <= l && l <= r && r <= _n);
        S sml = e(), smr = e();
        l += size;
        r += size;

        while (l < r) {
            if (l & 1) sml = op(sml, d[l++]);
            if (r & 1) smr = op(d[--r], smr);
            l >>= 1;
            r >>= 1;
        }
        return op(sml, smr);
    }

    S all_prod() { return d[1]; }

    template <bool (*f)(S)> int max_right(int l) {
        return max_right(l, [](S x) { return f(x); });
    }
    template <class F> int max_right(int l, F f) {
        assert(0 <= l && l <= _n);
        assert(f(e()));
        if (l == _n) return _n;
        l += size;
        S sm = e();
        do {
            while (l % 2 == 0) l >>= 1;
            if (!f(op(sm, d[l]))) {
                while (l < size) {
                    l = (2 * l);
                    if (f(op(sm, d[l]))) {
                        sm = op(sm, d[l]);
                        l++;
                    }
                }
                return l - size;
            }
            sm = op(sm, d[l]);
            l++;
        } while ((l & -l) != l);
        return _n;
    }

    template <bool (*f)(S)> int min_left(int r) {
        return min_left(r, [](S x) { return f(x); });
    }
    template <class F> int min_left(int r, F f) {
        assert(0 <= r && r <= _n);
        assert(f(e()));
        if (r == 0) return 0;
        r += size;
        S sm = e();
        do {
            r--;
            while (r > 1 && (r % 2)) r >>= 1;
            if (!f(op(d[r], sm))) {
                while (r < size) {
                    r = (2 * r + 1);
                    if (f(op(d[r], sm))) {
                        sm = op(d[r], sm);
                        r--;
                    }
                }
                return r + 1 - size;
            }
            sm = op(d[r], sm);
        } while ((r & -r) != r);
        return 0;
    }

  private:
    int _n, size, log;
    std::vector<S> d;
    int ceil_pow2(int n) {
        int x = 0;
        while ((1U << x) < (unsigned int)(n)) x++;
        return x;
    }
    void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); }
};

ll op(ll a,ll b){return max(a,b);}
ll e(){return -INF2;}

int main(){
    INT(n);
    vector<array<ll,3>> a(n);
    compressed_array<ll> X,Y;
    rep(i,n){
        LL(T,x,V);
        a[i][0]=T-x,a[i][1]=T+x,a[i][2]=V;
    }
    a.push_back({0,0,0});
    X.insert(a,0),Y.insert(a,1);
    X.build(),Y.build();
    X.load(a,0),Y.load(a,1);
    segtree<ll,op,e> seg(Y.size());
    int xz=a[n][0];
    seg.set(a[n][1],0);
    a.pop_back();
    sort(all(a));
    rep(i,n){
        if(a[i][0]<xz)continue;
        ll v=seg.prod(0,a[i][1]+1);
        seg.set(a[i][1],v+a[i][2]);
    }
    out(seg.all_prod());
}
0