oj.uz

Submission #931564

# Submission time Handle Problem Language Result Execution time Memory
931564 2024-02-22T04:39:48 Z Pring Modern Machine (JOI23_ho_t5) C++17
25 / 100
 467 ms 17236 KB 
#include <bits/stdc++.h>
using namespace std;

#ifdef MIKU
#define debug(x...) cout << "[" << #x << "] : ", dout(x)
void dout() { cout << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif

#define int long long
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
typedef pair<int, int> pii;

const int MXN = 120005;
int n, m, q, a[MXN];
string s;

inline int f(int x) {
    return n - x - 1;
}

struct SMG {
    int val[MXN * 4], tag[MXN * 4];
    void add_tag(int id, int l, int r, int _t) {
        val[id] = (r - l) * _t;
        tag[id] = _t;
    }
    void push(int id, int l, int r) {
        if (tag[id] == -1) return;
        int mid = (l + r) >> 1;
        add_tag(id * 2 + 1, l, mid, tag[id]);
        add_tag(id * 2 + 2, mid, r, tag[id]);
        tag[id] = -1;
    }
    void pull(int id) {
        val[id] = val[id * 2 + 1] + val[id * 2 + 2];
    }
    void build(int id, int l, int r, string &s, char tg) {
        tag[id] = -1;
        if (l + 1 == r) {
            val[id] = (s[l] == tg);
            return;
        }
        int mid = (l + r) >> 1;
        build(id * 2 + 1, l, mid, s, tg);
        build(id * 2 + 2, mid, r, s, tg);
        pull(id);
    }
    void modify(int id, int l, int r, int _l, int _r, int v) {
        if (_r <= l || r <= _l) return;
        if (_l <= l && r <= _r) {
            add_tag(id, l, r, v);
            return;
        }
        int mid = (l + r) >> 1;
        push(id, l, r);
        modify(id * 2 + 1, l, mid, _l, _r, v);
        modify(id * 2 + 2, mid, r, _l, _r, v);
        pull(id);
    }
    int query(int id, int l, int r, int _l, int _r) {
        if (_r <= l || r <= _l) return 0;
        if (_l <= l && r <= _r) return val[id];
        int mid = (l + r) >> 1;
        push(id, l, r);
        return query(id * 2 + 1, l, mid, _l, _r) + query(id * 2 + 2, mid, r, _l, _r);
    }
    int BSH(int id, int l, int r, int b) {
        // debug(l, r, b);
        if (l + 1 == r) return l;
        int mid = (l + r) >> 1;
        push(id, l, r);
        return (val[id * 2 + 1] >= b ? BSH(id * 2 + 1, l, mid, b) : BSH(id * 2 + 2, mid, r, b - val[id * 2 + 1]));
    }
} smg[2];

void INIT() {
    smg[0].build(0, 0, n, s, 'B');
    reverse(s.begin(), s.end());
    smg[1].build(0, 0, n, s, 'R');
    reverse(s.begin(), s.end());
}

void FLAT(int l, int r, char c) {
    int x = (c == 'B');
    smg[0].modify(0, 0, n, l, r, x);
    smg[1].modify(0, 0, n, f(r) + 1, f(l) + 1, 1 - x);
}

void DO(int sr) {
    // debug(sr);
    int nb = smg[0].query(0, 0, n, sr + 1, n), nr = smg[1].query(0, 0, n, f(sr) + 1, n);
    if (nb > nr) {
        debug(1);
        // debug(nr + 1 + smg[0].query(0, 0, n, 0, sr));
        int id = smg[0].BSH(0, 0, n, nr + 1 + smg[0].query(0, 0, n, 0, sr + 1));
        // debug(id);
        FLAT(0, id + 1, 'R');
    } else {
        if (nb == 0) {
            debug(2);
            FLAT(sr, n, 'B');
        } else {
            debug(3);
            int id = smg[1].BSH(0, 0, n, nb + smg[1].query(0, 0, n, 0, f(sr) + 1));
            debug(id);
            FLAT(f(id), n, 'B');
        }
    }
}

void miku() {
    int l, r;
    cin >> n >> m >> s;
    FOR(i, 1, m + 1) cin >> a[i];
    cin >> q;
    if (q > 5) return;
    while (q--) {
        INIT();
        cin >> l >> r;
        FOR(i, l, r + 1) {
            DO(a[i] - 1);
        }
        cout << smg[1].val[0] << '\n';
    }
}

int32_t main() {
    cin.tie(0) -> sync_with_stdio(false);
    cin.exceptions(iostream::failbit);
    miku();
    return 0;
}

Compilation message

Main.cpp: In function 'void DO(long long int)':
Main.cpp:10:20: warning: statement has no effect [-Wunused-value]
   10 | #define debug(...) 39
      |                    ^~
Main.cpp:100:9: note: in expansion of macro 'debug'
  100 |         debug(1);
      |         ^~~~~
Main.cpp:10:20: warning: statement has no effect [-Wunused-value]
   10 | #define debug(...) 39
      |                    ^~
Main.cpp:107:13: note: in expansion of macro 'debug'
  107 |             debug(2);
      |             ^~~~~
Main.cpp:10:20: warning: statement has no effect [-Wunused-value]
   10 | #define debug(...) 39
      |                    ^~
Main.cpp:110:13: note: in expansion of macro 'debug'
  110 |             debug(3);
      |             ^~~~~
Main.cpp:10:20: warning: statement has no effect [-Wunused-value]
   10 | #define debug(...) 39
      |                    ^~
Main.cpp:112:13: note: in expansion of macro 'debug'
  112 |             debug(id);
      |             ^~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 2 ms 6504 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6504 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 2 ms 6504 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6504 KB Output is correct
10 Correct 3 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 4 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 3 ms 6748 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 2 ms 6504 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6504 KB Output is correct
10 Correct 3 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 4 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 3 ms 6748 KB Output is correct
15 Correct 1 ms 6652 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6744 KB Output is correct
18 Correct 250 ms 16792 KB Output is correct
19 Correct 295 ms 16836 KB Output is correct
20 Correct 423 ms 16980 KB Output is correct
21 Correct 467 ms 17236 KB Output is correct
22 Correct 278 ms 16732 KB Output is correct
23 Correct 222 ms 16900 KB Output is correct
24 Correct 234 ms 16496 KB Output is correct
25 Correct 225 ms 16500 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Incorrect 5 ms 1372 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Incorrect 5 ms 1372 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Incorrect 5 ms 1372 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 2 ms 6504 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6504 KB Output is correct
10 Correct 3 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 4 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 3 ms 6748 KB Output is correct
15 Correct 1 ms 6652 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6744 KB Output is correct
18 Correct 250 ms 16792 KB Output is correct
19 Correct 295 ms 16836 KB Output is correct
20 Correct 423 ms 16980 KB Output is correct
21 Correct 467 ms 17236 KB Output is correct
22 Correct 278 ms 16732 KB Output is correct
23 Correct 222 ms 16900 KB Output is correct
24 Correct 234 ms 16496 KB Output is correct
25 Correct 225 ms 16500 KB Output is correct
26 Correct 1 ms 6744 KB Output is correct
27 Incorrect 5 ms 1372 KB Output isn't correct
28 Halted 0 ms 0 KB -