oj.uz

Submission #877195

# Submission time Handle Problem Language Result Execution time Memory
877195 2023-11-23T03:18:30 Z marvinthang Koala Game (APIO17_koala) C++17
96 / 100
 40 ms 756 KB 
/*************************************
*    author: marvinthang             *
*    created: 22.11.2023 21:23:33    *
*************************************/

#include "koala.h"
#include <bits/stdc++.h>

using namespace std;

#define                  fi  first
#define                  se  second
#define                left  ___left
#define               right  ___right
#define                TIME  (1.0 * clock() / CLOCKS_PER_SEC)
#define             MASK(i)  (1LL << (i))
#define           BIT(x, i)  ((x) >> (i) & 1)
#define  __builtin_popcount  __builtin_popcountll
#define              ALL(v)  (v).begin(), (v).end()
#define           REP(i, n)  for (int i = 0, _n = (n); i < _n; ++i)
#define          REPD(i, n)  for (int i = (n); i-- > 0; )
#define        FOR(i, a, b)  for (int i = (a), _b = (b); i < _b; ++i) 
#define       FORD(i, b, a)  for (int i = (b), _a = (a); --i >= _a; ) 
#define       FORE(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i) 
#define      FORDE(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i) 
#define        scan_op(...)  istream & operator >> (istream &in, __VA_ARGS__ &u)
#define       print_op(...)  ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
    #include "debug.h"
#else
    #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
    #define DB(...) 23
    #define db(...) 23
    #define debug(...) 23
#endif

template <class U, class V> scan_op(pair <U, V>)  { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>)  { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>)  { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")";  else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }

// end of template

int B[105], R[105];
int cache[2][205];
int num[2][205];
char taken[105][205];

int minValue(int N, int W) {
    REP(i, N) B[i] = !i;
    playRound(B, R);
    FOR(i, 1, N) if (!R[i]) return i;
    return 0;
}

int maxValue(int N, int W) {
    vector <int> cur(N);
    iota(ALL(cur), 0);
    while (cur.size() > 1) {
        memset(B, 0, N * sizeof(int));
        int t = N / cur.size();
        for (int x: cur) B[x] = t;
        playRound(B, R);
        cur.clear();
        REP(i, N) if (R[i] > t) cur.push_back(i);
    }
    return cur[0];
}

int greaterValue(int N, int W) {
    memset(B, 0, N * sizeof(int));
    for (int v: {10, 5, 2}) {
        B[0] = B[1] = v;
        playRound(B, R);
        int a = R[0] > v, b = R[1] > v;
        if (a != b) return b;
        if (v == 2 && !a) return !minValue(N, W);
    }
    return 0;
}


void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        memset(B, 0, N * sizeof(int));
        auto cmp = [&] (int x, int y) {
            B[x] = B[y] = 100;
            playRound(B, R);
            B[x] = B[y] = 0;
            return R[x] < R[y];
        };
        function <void(vector <int> &)> merge_sort = [&] (vector <int> &v) {
            int n = v.size();
            if (n <= 1) return;
            int m = n >> 1;
            vector <int> left(v.begin(), v.begin() + m);
            vector <int> right(v.begin() + m, v.end());
            merge_sort(left); merge_sort(right);
            merge(ALL(left), ALL(right), v.begin(), cmp);
        };
        vector <int> order(N); 
        iota(ALL(order), 0);
        merge_sort(order);
        REP(i, N) P[order[i]] = i + 1;
    } else {
        auto cmp = [&] (int x, int y) -> bool {
            memset(B, 0, N * sizeof(int));
            for (int v: {10, 5, 2}) {
                B[x] = B[y] = v;
                playRound(B, R);
                int a = R[x] > v, b = R[y] > v;
                if (a != b) return b;
                if (v == 2 && !a) return minValue(N, W) == x;
            }
            return false;
        };
        auto simulatePlayRound = [&](int *B, int *R) {
            int S = 0;
            int i,j;
            for (i=0;i<N;++i) {
                S += B[i];
            }
            for (i=0;i<205;++i) {
                cache[1][i] = 0;
                num[1][i] = 0;
            }

            for (i=0;i<N;++i) {
                int v = B[i]+1;
                int ii = i&1;
                int o = ii^1;
                for (j=0;j<=W;++j) {
                    cache[ii][j] = cache[o][j];
                    num[ii][j] = num[o][j];
                    taken[i][j] = 0;
                }
                for (j=W;j>=v;--j) {
                    int h = cache[o][j-v] + i + 1;
                    int hn = num[o][j-v] + 1;
                    if (h > cache[ii][j] || (h == cache[ii][j] && hn > num[ii][j])) {
                        cache[ii][j] = h;
                        num[ii][j] = hn;
                        taken[i][j] = 1;
                    } else {
                        taken[i][j] = 0;
                    }
                }
            }

            int cur = W;
            for (i=N-1;i>=0;--i) {
                R[i] = taken[i][cur] ? (B[i] + 1) : 0;
                cur -= R[i];
            }
        };
        function <void(vector <int> &, int, int)> solve = [&] (vector <int> &v, int l, int r) {
            if (v.size() <= 1) return;
            int tl = 0, tr = W / (r - l);
            memset(B, 0, N * sizeof(int));
            FOR(i, l, r) B[i] = tr;
            simulatePlayRound(B, R);
            int cnt_left = 0, cnt_right = 0;
            FOR(i, l, r) ++(R[i] <= B[i] ? cnt_left : cnt_right);
            if (!cnt_right) {
                while (tl <= tr) {
                    int m = tl + tr >> 1;
                    FOR(i, l, r) B[i] = m;
                    simulatePlayRound(B, R);
                    cnt_right = 0;
                    FOR(i, l, r) cnt_right += R[i] > B[i];
                    if (cnt_right == r - l) tl = m + 1;
                    else if (!cnt_right) tr = m - 1;
                    else {
                        tr = m;
                        break;
                    }
                }
            }
            memset(B, 0, N * sizeof(int));
            for (int x: v) B[x] = tr;
            playRound(B, R);
            vector <int> left, right;
            for (int x: v) (R[x] <= B[x] ? left : right).push_back(x);
            solve(left, l, l + (int) left.size());
            solve(right, l + (int) left.size(), r);
            v = left;
            v.insert(v.end(), ALL(right));
        };
        vector <int> order(N); 
        iota(ALL(order), 0);
        solve(order, 0, N);
        REP(i, N) P[order[i]] = i + 1;
    }
}

Compilation message

koala.cpp: In lambda function:
koala.cpp:168:32: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  168 |                     int m = tl + tr >> 1;
      |                             ~~~^~~~
koala.cpp: In function 'void allValues(int, int, int*)':
koala.cpp:108:14: warning: variable 'cmp' set but not used [-Wunused-but-set-variable]
  108 |         auto cmp = [&] (int x, int y) -> bool {
      |              ^~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 12 ms 344 KB Output is correct
4 Correct 10 ms 460 KB Output is correct

Subtask #3
14.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 480 KB Output is correct
2 Partially correct 40 ms 468 KB Output is partially correct
3 Correct 40 ms 480 KB Output is correct
4 Correct 38 ms 480 KB Output is correct
5 Partially correct 37 ms 480 KB Output is partially correct
6 Correct 36 ms 472 KB Output is correct
7 Partially correct 39 ms 476 KB Output is partially correct
8 Correct 37 ms 472 KB Output is correct
9 Correct 38 ms 480 KB Output is correct
10 Correct 38 ms 444 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 344 KB Output is correct
2 Correct 25 ms 344 KB Output is correct
3 Correct 26 ms 344 KB Output is correct
4 Correct 29 ms 344 KB Output is correct
5 Correct 24 ms 344 KB Output is correct
6 Correct 24 ms 344 KB Output is correct
7 Correct 27 ms 500 KB Output is correct
8 Correct 24 ms 596 KB Output is correct
9 Correct 24 ms 344 KB Output is correct
10 Correct 24 ms 344 KB Output is correct
11 Correct 24 ms 344 KB Output is correct
12 Correct 15 ms 344 KB Output is correct
13 Correct 25 ms 344 KB Output is correct
14 Correct 26 ms 448 KB Output is correct
15 Correct 26 ms 456 KB Output is correct
16 Correct 22 ms 344 KB Output is correct
17 Correct 21 ms 344 KB Output is correct
18 Correct 22 ms 456 KB Output is correct
19 Correct 22 ms 460 KB Output is correct
20 Correct 23 ms 344 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 488 KB Output is correct
3 Correct 10 ms 484 KB Output is correct
4 Correct 10 ms 344 KB Output is correct
5 Correct 12 ms 600 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 10 ms 488 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 10 ms 348 KB Output is correct
10 Correct 10 ms 344 KB Output is correct
11 Correct 9 ms 344 KB Output is correct
12 Correct 9 ms 412 KB Output is correct
13 Correct 10 ms 344 KB Output is correct
14 Correct 9 ms 344 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Correct 10 ms 344 KB Output is correct
17 Correct 10 ms 480 KB Output is correct
18 Correct 10 ms 484 KB Output is correct
19 Correct 10 ms 480 KB Output is correct
20 Correct 9 ms 596 KB Output is correct
21 Correct 9 ms 480 KB Output is correct
22 Correct 10 ms 344 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 9 ms 344 KB Output is correct
25 Correct 9 ms 488 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 10 ms 344 KB Output is correct
28 Correct 10 ms 344 KB Output is correct
29 Correct 9 ms 344 KB Output is correct
30 Correct 9 ms 344 KB Output is correct
31 Correct 9 ms 344 KB Output is correct
32 Correct 10 ms 344 KB Output is correct
33 Correct 10 ms 344 KB Output is correct
34 Correct 9 ms 480 KB Output is correct
35 Correct 10 ms 344 KB Output is correct
36 Correct 10 ms 344 KB Output is correct
37 Correct 10 ms 344 KB Output is correct
38 Correct 12 ms 344 KB Output is correct
39 Correct 10 ms 756 KB Output is correct
40 Correct 10 ms 484 KB Output is correct