oj.uz

답안 #891186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
891186 2023-12-22T10:31:55 Z LucaIlie 푸드 코트 (JOI21_foodcourt) C++17
24 / 100
 1000 ms 91368 KB 
#include <bits/stdc++.h>

using namespace std;

struct aaa {
    int t, c;
    long long k;
};

const int MAX_N = 3e5;
int group[MAX_N];

struct SegTree {
    struct info {
        long long tot, sum, minn;

        info operator+( info &x ) {
            info ans;

            ans.tot = tot + x.tot;
            ans.minn = min( minn, sum + x.minn );
            ans.sum = sum + x.sum;

            return ans;
        }
    };

    info lazy[4 * MAX_N];
    long long size[4 * MAX_N];
    vector<aaa> q[4 * MAX_N];

    void propag( int v, int l, int r ) {
        if ( l != r ) {
            lazy[v * 2 + 1] = lazy[v * 2 + 1] + lazy[v];
            lazy[v * 2 + 2] = lazy[v * 2 + 2] + lazy[v];
            lazy[v] = { 0, 0 };
        }
    }

    void init( int v, int l, int r ) {
        q[v].push_back( { -1, 0, 0 } );
        if ( l == r )
            return;
        int mid = (l + r) / 2;
        init( v * 2 + 1, l, mid );
        init( v * 2 + 2, mid + 1, r );
    }
    void update( int v, int l, int r, int lu, int ru, int k, int c, int t ) {
        propag( v, l, r );

        if ( l > ru || r < lu )
            return;

        if ( lu <= l && r <= ru ) {
            if ( k > 0 ) {
                size[v] += k;
                q[v].push_back( { t, c, size[v] } );
            }
            info add = { max( k, 0 ), k,  min( k, 0 ) };
            lazy[v] = lazy[v] + add;
            propag( v, l, r );
            return;
        }

        int mid = (l + r) / 2;
        update( v * 2 + 1, l, mid, lu, ru, k, c, t );
        update( v * 2 + 2, mid + 1, r, lu, ru, k, c, t );
    }

    vector<int> ans;
    long long query( int v, int l, int r, int p ) {
        if ( v == 0 )
            ans.clear();
        ans.push_back( v );
        propag( v, l, r );

        if ( l == r )
            return lazy[v].tot - (lazy[v].sum - lazy[v].minn);

        int mid = (l + r) / 2;
        if ( p <= mid )
            return query( v * 2 + 1, l, mid, p );
        return query( v * 2 + 2, mid + 1, r, p );
    }
} qs;

signed main() {
    ios_base::sync_with_stdio( false );
    cin.tie( NULL );
    cout.tie( NULL );

    int n, m, q;

    cin >> n >> m >> q;
    qs.init( 0, 1, n );
    for ( int t = 0; t < q; t++ ) {
        int type;

        cin >> type;
        if ( type == 1 ) {
            int l, r, c, k;
            cin >> l >> r >> c >> k;
            qs.update( 0, 1, n, l, r, k, c, t );
            group[t] = c;
        } else if ( type == 2 ) {
            int l, r, k;
            cin >> l >> r >> k;
            qs.update( 0, 1, n, l, r, -k, 0, t );
        } else {
            int p;
            long long x;
            cin >> p >> x;
            x += qs.query( 0, 1, n, p );
            vector<int> vert = qs.ans;

            int l = -1, r = t;
            while ( r - l > 1 ) {
                int mid = (l + r) / 2;

                int k = 0;
                for ( int v: vert ) {
                    int lp = 0, rp = qs.q[v].size();
                    while ( rp - lp > 1 ) {
                        int mp = (lp + rp) / 2;
                        if ( qs.q[v][mp].t > mid )
                            rp = mp;
                        else
                            lp = mp;
                    }
                    k += qs.q[v][lp].k;
                }

                if ( k >= x )
                    r = mid;
                else
                    l = mid;
            }

            cout << group[r] << "\n";
        }
    }

    return 0;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 29528 KB Output is correct
2 Correct 9 ms 29532 KB Output is correct
3 Correct 8 ms 29532 KB Output is correct
4 Correct 11 ms 29620 KB Output is correct
5 Correct 7 ms 29248 KB Output is correct
6 Correct 7 ms 29016 KB Output is correct
7 Correct 9 ms 29540 KB Output is correct
8 Correct 10 ms 29788 KB Output is correct
9 Correct 9 ms 29660 KB Output is correct
10 Correct 9 ms 29640 KB Output is correct
11 Correct 9 ms 29460 KB Output is correct
12 Correct 9 ms 29528 KB Output is correct
13 Correct 7 ms 29464 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 8 ms 29532 KB Output is correct
16 Correct 8 ms 29532 KB Output is correct
17 Correct 8 ms 29396 KB Output is correct
18 Correct 9 ms 29532 KB Output is correct
19 Correct 8 ms 29532 KB Output is correct
20 Correct 8 ms 29532 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 29528 KB Output is correct
2 Correct 9 ms 29532 KB Output is correct
3 Correct 8 ms 29532 KB Output is correct
4 Correct 11 ms 29620 KB Output is correct
5 Correct 7 ms 29248 KB Output is correct
6 Correct 7 ms 29016 KB Output is correct
7 Correct 9 ms 29540 KB Output is correct
8 Correct 10 ms 29788 KB Output is correct
9 Correct 9 ms 29660 KB Output is correct
10 Correct 9 ms 29640 KB Output is correct
11 Correct 9 ms 29460 KB Output is correct
12 Correct 9 ms 29528 KB Output is correct
13 Correct 7 ms 29464 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 8 ms 29532 KB Output is correct
16 Correct 8 ms 29532 KB Output is correct
17 Correct 8 ms 29396 KB Output is correct
18 Correct 9 ms 29532 KB Output is correct
19 Correct 8 ms 29532 KB Output is correct
20 Correct 8 ms 29532 KB Output is correct
21 Incorrect 10 ms 29528 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 40476 KB Output is correct
2 Correct 85 ms 41136 KB Output is correct
3 Correct 103 ms 40788 KB Output is correct
4 Correct 90 ms 40888 KB Output is correct
5 Correct 101 ms 42004 KB Output is correct
6 Correct 110 ms 41956 KB Output is correct
7 Correct 43 ms 30648 KB Output is correct
8 Correct 50 ms 30724 KB Output is correct
9 Correct 82 ms 40520 KB Output is correct
10 Correct 93 ms 40656 KB Output is correct
11 Correct 88 ms 40532 KB Output is correct
12 Correct 81 ms 40528 KB Output is correct
13 Correct 73 ms 39560 KB Output is correct
14 Correct 87 ms 41348 KB Output is correct
15 Correct 80 ms 41300 KB Output is correct
16 Correct 95 ms 42676 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1041 ms 91368 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 29528 KB Output is correct
2 Correct 9 ms 29532 KB Output is correct
3 Correct 8 ms 29532 KB Output is correct
4 Correct 11 ms 29620 KB Output is correct
5 Correct 7 ms 29248 KB Output is correct
6 Correct 7 ms 29016 KB Output is correct
7 Correct 9 ms 29540 KB Output is correct
8 Correct 10 ms 29788 KB Output is correct
9 Correct 9 ms 29660 KB Output is correct
10 Correct 9 ms 29640 KB Output is correct
11 Correct 9 ms 29460 KB Output is correct
12 Correct 9 ms 29528 KB Output is correct
13 Correct 7 ms 29464 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 8 ms 29532 KB Output is correct
16 Correct 8 ms 29532 KB Output is correct
17 Correct 8 ms 29396 KB Output is correct
18 Correct 9 ms 29532 KB Output is correct
19 Correct 8 ms 29532 KB Output is correct
20 Correct 8 ms 29532 KB Output is correct
21 Correct 79 ms 40476 KB Output is correct
22 Correct 85 ms 41136 KB Output is correct
23 Correct 103 ms 40788 KB Output is correct
24 Correct 90 ms 40888 KB Output is correct
25 Correct 101 ms 42004 KB Output is correct
26 Correct 110 ms 41956 KB Output is correct
27 Correct 43 ms 30648 KB Output is correct
28 Correct 50 ms 30724 KB Output is correct
29 Correct 82 ms 40520 KB Output is correct
30 Correct 93 ms 40656 KB Output is correct
31 Correct 88 ms 40532 KB Output is correct
32 Correct 81 ms 40528 KB Output is correct
33 Correct 73 ms 39560 KB Output is correct
34 Correct 87 ms 41348 KB Output is correct
35 Correct 80 ms 41300 KB Output is correct
36 Correct 95 ms 42676 KB Output is correct
37 Correct 197 ms 44424 KB Output is correct
38 Correct 169 ms 46912 KB Output is correct
39 Correct 32 ms 30484 KB Output is correct
40 Correct 44 ms 30552 KB Output is correct
41 Correct 195 ms 46800 KB Output is correct
42 Correct 202 ms 47088 KB Output is correct
43 Correct 199 ms 46772 KB Output is correct
44 Correct 196 ms 46652 KB Output is correct
45 Correct 199 ms 46912 KB Output is correct
46 Correct 192 ms 46900 KB Output is correct
47 Correct 72 ms 37836 KB Output is correct
48 Correct 134 ms 46600 KB Output is correct
49 Correct 114 ms 42724 KB Output is correct
50 Correct 141 ms 45656 KB Output is correct
51 Correct 177 ms 47184 KB Output is correct
52 Correct 178 ms 47176 KB Output is correct
53 Correct 70 ms 40860 KB Output is correct
54 Correct 124 ms 42516 KB Output is correct

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 256 ms 47956 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 29528 KB Output is correct
2 Correct 9 ms 29532 KB Output is correct
3 Correct 8 ms 29532 KB Output is correct
4 Correct 11 ms 29620 KB Output is correct
5 Correct 7 ms 29248 KB Output is correct
6 Correct 7 ms 29016 KB Output is correct
7 Correct 9 ms 29540 KB Output is correct
8 Correct 10 ms 29788 KB Output is correct
9 Correct 9 ms 29660 KB Output is correct
10 Correct 9 ms 29640 KB Output is correct
11 Correct 9 ms 29460 KB Output is correct
12 Correct 9 ms 29528 KB Output is correct
13 Correct 7 ms 29464 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 8 ms 29532 KB Output is correct
16 Correct 8 ms 29532 KB Output is correct
17 Correct 8 ms 29396 KB Output is correct
18 Correct 9 ms 29532 KB Output is correct
19 Correct 8 ms 29532 KB Output is correct
20 Correct 8 ms 29532 KB Output is correct
21 Incorrect 10 ms 29528 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 29528 KB Output is correct
2 Correct 9 ms 29532 KB Output is correct
3 Correct 8 ms 29532 KB Output is correct
4 Correct 11 ms 29620 KB Output is correct
5 Correct 7 ms 29248 KB Output is correct
6 Correct 7 ms 29016 KB Output is correct
7 Correct 9 ms 29540 KB Output is correct
8 Correct 10 ms 29788 KB Output is correct
9 Correct 9 ms 29660 KB Output is correct
10 Correct 9 ms 29640 KB Output is correct
11 Correct 9 ms 29460 KB Output is correct
12 Correct 9 ms 29528 KB Output is correct
13 Correct 7 ms 29464 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 8 ms 29532 KB Output is correct
16 Correct 8 ms 29532 KB Output is correct
17 Correct 8 ms 29396 KB Output is correct
18 Correct 9 ms 29532 KB Output is correct
19 Correct 8 ms 29532 KB Output is correct
20 Correct 8 ms 29532 KB Output is correct
21 Incorrect 10 ms 29528 KB Output isn't correct
22 Halted 0 ms 0 KB -