#227863 (C++17) No.631 Noelちゃんと電車旅行

• 問題: No.631 Noelちゃんと電車旅行
• ユーザー: mai
• 提出日時: 2018-01-05 21:46:12
• 言語: C++17 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 319 ms / 2,000 ms
• コード長: 8,367 bytes
• コンパイル時間: 3,920 ms
• コンパイル使用メモリ: 235,460 KB
• 実行使用メモリ: 6,400 KB
• 最終ジャッジ日時: 2024-11-15 04:46:29
• 合計ジャッジ時間: 9,020 ms
• ジャッジサーバーID （参考情報）: judge3 / judge1

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	110 ms; 5,248 KB
testcase_01	AC	317 ms; 6,400 KB
testcase_02	AC	316 ms; 6,272 KB
testcase_03	AC	317 ms; 6,272 KB
testcase_04	AC	316 ms; 6,272 KB
testcase_05	AC	319 ms; 6,272 KB
testcase_06	AC	102 ms; 5,248 KB
testcase_07	AC	70 ms; 5,248 KB
testcase_08	AC	227 ms; 6,272 KB
testcase_09	AC	211 ms; 5,248 KB
testcase_10	AC	179 ms; 6,272 KB
testcase_11	AC	150 ms; 5,248 KB
testcase_12	AC	213 ms; 6,144 KB
testcase_13	AC	137 ms; 5,248 KB
testcase_14	AC	41 ms; 5,248 KB
testcase_15	AC	120 ms; 5,248 KB
testcase_16	AC	2 ms; 5,248 KB
testcase_17	AC	2 ms; 5,248 KB
testcase_18	AC	2 ms; 5,248 KB
testcase_19	AC	2 ms; 5,248 KB
testcase_20	AC	2 ms; 5,248 KB

コンパイルメッセージ

main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)':
main.cpp:55:9: warning: no return statement in function returning non-void [-Wreturn-type]
   55 |         }
      |         ^

ソースコード

#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h" // define macro "/D__MAI"

using namespace std;
typedef long long int ll;

#define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;}
#define debugaa(m,h,w) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}}
#define ALL(v) (v).begin(),(v).end()
#define repeat(cnt,l) for(auto cnt=0ll;(cnt)<(l);++(cnt))
#define rrepeat(cnt,l) for(auto cnt=(l)-1;0<=(cnt);--(cnt))
#define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt))
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }
template<typename T> T& maxset(T& to, const T& val) { return to = max(to, val); }
template<typename T> T& minset(T& to, const T& val) { return to = min(to, val); }
void bye(string s, int code = 0) { cout << s << endl; exit(0); }
mt19937_64 randdev(8901016);
inline ll rand_range(ll l, ll h) {
    return uniform_int_distribution<ll>(l, h)(randdev);
}

#if defined(_WIN32) || defined(_WIN64)
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#elif __GNUC__
#else
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
namespace {
#define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E)
    class MaiScanner {
    public:
        template<typename T> void input_integer(T& var) {
            var = 0; T sign = 1;
            int cc = getchar_unlocked();
            for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
                if (cc == '-') sign = -1;
            for (; '0' <= cc && cc <= '9'; cc = getchar_unlocked())
                var = (var << 3) + (var << 1) + cc - '0';
            var = var * sign;
        }
        inline int c() { return getchar_unlocked(); }
        inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; }
        inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; }
        inline MaiScanner& operator>>(string& var) {
            int cc = getchar_unlocked();
            for (; !isvisiblechar(cc); cc = getchar_unlocked());
            for (; isvisiblechar(cc); cc = getchar_unlocked())
                var.push_back(cc);
        }
        template<typename IT> void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; }
    };
    class MaiPrinter {
    public:
        template<typename T>
        void output_integer(T var) {
            if (var == 0) { putchar_unlocked('0'); return; }
            if (var < 0)
                putchar_unlocked('-'),
                var = -var;
            char stack[32]; int stack_p = 0;
            while (var)
                stack[stack_p++] = '0' + (var % 10),
                var /= 10;
            while (stack_p)
                putchar_unlocked(stack[--stack_p]);
        }
        inline MaiPrinter& operator<<(char c) { putchar_unlocked(c); return *this; }
        inline MaiPrinter& operator<<(int var) { output_integer<int>(var); return *this; }
        inline MaiPrinter& operator<<(long long var) { output_integer<long long>(var); return *this; }
        inline MaiPrinter& operator<<(char* str_p) { while (*str_p) putchar_unlocked(*(str_p++)); return *this; }
        inline MaiPrinter& operator<<(const string& str) {
            const char* p = str.c_str();
            const char* l = p + str.size();
            while (p < l) putchar_unlocked(*p++);
            return *this;
        }
        template<typename IT> void join(IT begin, IT end, char sep = '\n') { for (auto it = begin; it != end; ++it) *this << *it << sep; }
    };
}
MaiScanner scanner;
MaiPrinter printer;


template<typename T>
//typedef ll T;
class SegmentTree {
    int size_;
    vector<T> valdata_;
    vector<T> addtree_;
    vector<T> maxtree_;

    int _geti(const vector<T>& v, int idx) const {
        if (size_ - 1 <= idx) return (idx - size_ + 1);
        // if (idx < 0) return idx;
        return v[idx];
    }
public:

    SegmentTree(int n) {
        size_ = 8;
        while (size_ < n) size_ <<= 1;
        maxtree_.resize(size_);
        valdata_.resize(size_);
        addtree_.resize(size_);
        flat();
    }

    // tree初期化
    void flat() {
        for (int i = size_ - 2; 0 <= i; --i) {
            int c = 2 * i + 1;
            if (size_ - 1 <= c) {
                maxtree_[i] = c - size_ + 1;
            }
            else {
                maxtree_[i] = maxtree_[c];
            }
        }
    }

    // addtreeを0にして，valdataに加算する．
    // void apply(T sum = 0, int ptr = 0) {
    //     if (size_ - 1 <= ptr) {
    //         valdata_[ptr - size_ + 1] += sum;
    //     }
    //     else {
    //         sum += addtree_[ptr];
    //         apply(sum, ptr * 2 + 1);
    //         apply(sum, ptr * 2 + 2);
    //         addtree_[ptr] = 0;
    //     }
    // }

    void fill(T val) {
        std::fill(valdata_.begin(), valdata_.end(), val);
        std::fill(addtree_.begin(), addtree_.end(), 0);
        flat();
    }

    // T operator[](int index) const {
    //     
    // }

    T get_val(int index) const {
        T sum = valdata_[index];
        index += size_ - 1;
        while (0 < index) {
            index = (index - 1) / 2; // 親へ移動
            sum += addtree_[index];
        }
        return sum;
    }

    void set_val(int index, const T e) {
        valdata_[index] = e;

        for (int i = index + size_ - 1; 0 < i;) {
            i = (i - 1) / 2; // 親へ移動
            valdata_[index] -= addtree_[i];
        }
        index += size_ - 1;
        while (0 < index) {
            index = (index - 1) / 2; // 親へ移動
            int c1 = index * 2 + 1;
            int c2 = index * 2 + 2;
            int i1, i2;
            i1 = _geti(maxtree_, c1);
            i2 = _geti(maxtree_, c2);
            maxtree_[index] = get_val(i1) > get_val(i2) ? i1 : i2;
        }
    }

    void _add_valrange(int begin, int end, const T e, int ptr, int rangebegin, int rangeend) {

        if (rangeend <= begin || end <= rangebegin) return;
        if (begin <= rangebegin && rangeend <= end) {
            if (size_ - 1 <= ptr)
                valdata_[ptr - size_ + 1] += e;
            else
                addtree_[ptr] += e;
            return;
        }

        int rangemid = (rangebegin + rangeend) / 2;
        _add_valrange(begin, end, e, ptr * 2 + 1, rangebegin, rangemid);
        _add_valrange(begin, end, e, ptr * 2 + 2, rangemid, rangeend);

        int i1, i2;
        i1 = _geti(maxtree_, ptr * 2 + 1);
        i2 = _geti(maxtree_, ptr * 2 + 2);
        maxtree_[ptr] = get_val(i1) > get_val(i2) ? i1 : i2;
    }

    int _get_maxrangeIdx(int begin, int end, int ptr, int rangebegin, int rangeend) const {

        if (rangeend <= begin || end <= rangebegin) return begin; // note:範囲外なら適当な範囲内のindexを返す
        if (begin <= rangebegin && rangeend <= end) return _geti(maxtree_, ptr);

        int rangemid = (rangebegin + rangeend) / 2;
        int l = _get_maxrangeIdx(begin, end, ptr * 2 + 1, rangebegin, rangemid);
        int r = _get_maxrangeIdx(begin, end, ptr * 2 + 2, rangemid, rangeend);

        if (get_val(l) >= get_val(r))
            return l;
        else
            return r;
    }

    inline void add_valrange(int begin, int end, const T e) {
        _add_valrange(begin, end, e, 0, 0, size_);
    }

    inline int get_maxrangeIdx(int begin, int end) const {
        return _get_maxrangeIdx(begin, end, 0, 0, size_);
    }

    inline T get_maxrange(int begin, int end) {
        return get_val(_get_maxrangeIdx(begin, end, 0, 0, size_));
    }
};



ll m, n, kei;

int main() {

    scanner >> n;
    SegmentTree<ll> seg(n);
    --n;

    repeat(i, n) {
        ll t;
        scanner >> t;
        seg.add_valrange(i, i + 1, -3 * i + t);
    }

    scanner >> m;
    repeat(lop, m) {
        ll l, r, d;
        scanner >> l >> r >> d;
        seg.add_valrange(l - 1, r, d);
        ll z = seg.get_maxrange(0, n);
        printer << z + n * 3 << '\n';
    }

    return 0;
}