답안 #91700 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
91700	2018-12-29T09:33:33 Z	Tieuphong	Growing Trees (BOI11_grow)	C++11	100 / 100	470 ms	5624 KB

grow

/***************************************************************************/
/**********************  LANG TU HAO HOA  **********************************/
/***************************************************************************/
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (int i = (a); i >= (b); --i)
#define pii pair<int, int>
#define sz(x) ((int) x.size())
#define PB push_back
#define PF push_front
#define MP make_pair
#define ll long long
#define F first
#define S second
#define maxc 2000000007
#define MOD 1000000007
#define base 107
#define eps 1e-6
#define pi acos(-1)
#define N 100005
#define task "grow"
#define remain(x) ((x > MOD) ? (x - MOD) : x)

using namespace std;

int n, m, h[N];

vector <int> luu, v;

void Sub1()
{
    FOR(i, 1, m)
    {
        char c;
        int x, y;
        cin >> c >> x >> y;
        if (c == 'F')
        {
            int pos = lower_bound(h+1, h+n+1, y) - h;
            x = min(x, n-pos+1);
            int val = h[pos+x-1];
            int l = lower_bound(h+pos, h+n+1, val) - h;
            int r = upper_bound(h+pos, h+n+1, val) - h - 1;
            FOR(i, pos, l-1) h[i]++;
            x -= (l - pos);
            FORD(i, r, r-x+1) h[i]++;
        }
            else cout << upper_bound(h+1, h+n+1, y) - lower_bound(h+1, h+n+1, x) << '\n';
    }
}

struct IT
{
    pii t[N*4];
    int lazy[N*4];

    void Build (int l, int r, int id)
    {
        if (l == r)
        {
            t[id] = MP(h[l], h[l]);
            lazy[id] = 0;
            return;
        }
        int mid = (l + r) >> 1;
        Build(l, mid, id*2);
        Build(mid+1, r, id*2+1);
        t[id].F = max(t[id*2].F, t[id*2+1].F);
        t[id].S = min(t[id*2].S, t[id*2+1].S);
        lazy[id] = 0;
    }

    void Push(int l, int r, int id)
    {
        if (!lazy[id]) return;
        t[id].F += lazy[id];
        t[id].S += lazy[id];
        if (l != r)
        {
            lazy[id*2] += lazy[id];
            lazy[id*2+1] += lazy[id];
        }
        lazy[id] = 0;
    }

    void Upd(int l, int r, int id, int u, int v)
    {
        Push(l, r, id);
        if (l > v || r < u) return;
        if (l >= u && r <= v)
        {
            t[id].F++, t[id].S++;
            if (l != r)
            {
                lazy[id*2]++;
                lazy[id*2+1]++;
            }
            return;
        }
        int mid = (l + r) >> 1;
        Upd(l, mid, id*2, u, v);
        Upd(mid+1, r, id*2+1, u, v);
        t[id].F = max(t[id*2].F, t[id*2+1].F);
        t[id].S = min(t[id*2].S, t[id*2+1].S);
    }

    pii Get(int l, int r, int id, int u, int v)
    {
        if (l > v || r < u) return MP(-maxc, maxc);
        Push(l, r, id);
        if (l >= u && r <= v) return t[id];
        int mid = (l + r) >> 1;
        pii m1 = Get(l, mid, id*2, u, v);
        pii m2 = Get(mid+1, r, id*2+1, u, v);
        return MP(max(m1.F, m2.F), min(m1.S, m2.S));
    }

    int Find_max(int l, int r, int id, int val)
    {
        Push(l, r, id);
        if (l == r)
        {
            if (t[id].F <= val) return l;
            return -1;
        }
        int mid = (l + r) >> 1;
        int cur = Get(1, n, 1, mid+1, n).S;
        if (cur <= val) return Find_max(mid+1, r, id*2+1, val);
        return Find_max(l, mid, id*2, val);
    }

    int Find_min(int l, int r, int id, int val)
    {
        Push(l, r, id);
        if (l == r)
        {
            if (t[id].S >= val) return l;
            return -1;
        }
        int mid = (l + r) >> 1;
        int cur = Get(1, n, 1, 1, mid).F;
        if (cur >= val) return Find_min(l, mid, id*2, val);
        return Find_min(mid+1, r, id*2+1, val);
    }

} Tree;

void Full()
{
    Tree.Build(1, n, 1);
    FOR(i, 1, m)
    {
        char c;
        int x, y;
        cin >> c >> x >> y;
        if (c == 'F')
        {
            int pos = Tree.Find_min(1, n, 1, y);
            if (pos == -1) continue;
            x = min(x, n-pos+1);
            int val = Tree.Get(1, n, 1, pos, pos+x-1).F;
            int l = Tree.Find_min(1, n, 1, val);
            int r = Tree.Find_max(1, n, 1, val);
            if (pos <= l-1) Tree.Upd(1, n, 1, pos, l-1);
            x -= (l - pos);
            Tree.Upd(1, n, 1, r-x+1, r);
        }
            else
            {
                int l = Tree.Find_min(1, n, 1, x);
                int r = Tree.Find_max(1, n, 1, y);
                if (l == -1 || r == -1) cout << "0\n";
                    else cout << (r - l + 1) << '\n';
            }
    }
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
    //freopen(task".inp", "r", stdin);
    //freopen(task".out", "w", stdout);
    cin >> n >> m;
    FOR(i, 1, n) cin >> h[i];
    sort(h+1, h+n+1);
    //Sub1();
    Full();
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	231 ms	5112 KB	Output is correct
2	Correct	421 ms	5144 KB	Output is correct
3	Correct	287 ms	5496 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	3448 KB	Output is correct
2	Correct	7 ms	3448 KB	Output is correct
3	Correct	8 ms	3452 KB	Output is correct
4	Correct	6 ms	3448 KB	Output is correct
5	Correct	137 ms	3828 KB	Output is correct
6	Correct	174 ms	3976 KB	Output is correct
7	Correct	16 ms	3576 KB	Output is correct
8	Correct	95 ms	3704 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	147 ms	3952 KB	Output is correct
2	Correct	175 ms	3968 KB	Output is correct
3	Correct	6 ms	3576 KB	Output is correct
4	Correct	113 ms	3832 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	138 ms	4056 KB	Output is correct
2	Correct	194 ms	4040 KB	Output is correct
3	Correct	24 ms	3676 KB	Output is correct
4	Correct	169 ms	3960 KB	Output is correct

Subtask #5
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	233 ms	4472 KB	Output is correct
2	Correct	369 ms	5132 KB	Output is correct
3	Correct	49 ms	3836 KB	Output is correct
4	Correct	227 ms	5240 KB	Output is correct

Subtask #6
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	319 ms	4972 KB	Output is correct
2	Correct	363 ms	4984 KB	Output is correct
3	Correct	280 ms	5624 KB	Output is correct
4	Correct	49 ms	4216 KB	Output is correct

Subtask #7
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	244 ms	5112 KB	Output is correct
2	Correct	238 ms	5240 KB	Output is correct
3	Correct	278 ms	5496 KB	Output is correct
4	Correct	48 ms	4216 KB	Output is correct

Subtask #8
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	409 ms	5120 KB	Output is correct
2	Correct	361 ms	4984 KB	Output is correct
3	Correct	67 ms	4856 KB	Output is correct
4	Correct	242 ms	5008 KB	Output is correct

Subtask #9
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	301 ms	5112 KB	Output is correct
2	Correct	396 ms	5004 KB	Output is correct
3	Correct	470 ms	5240 KB	Output is correct

Subtask #10
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	351 ms	5500 KB	Output is correct

답안 #91700

Compilation message