oj.uz

답안 #722166

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
722166 2023-04-11T13:30:22 Z baojiaopisu 코알라 (APIO17_koala) C++14
81 / 100
 78 ms 448 KB 
#include "koala.h"
#include<bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using ull = unsigned long long;

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;

#define fi first
#define se second
#define left BAO
#define right ANH
#define pb push_back
#define pf push_front
#define mp make_pair
#define ins insert
#define btpc __builtin_popcount
#define btclz __builtin_clz

#define sz(x) (int)(x.size());
#define all(x) x.begin(), x.end()
#define debug(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int d4x[4] = {1, 0, -1, 0}; int d4y[4] = {0, 1, 0, -1};
int d8x[8] = {0, 1, 1, 1, 0, -1, -1, -1};
int d8y[8] = {1, 1, 0, -1, -1, -1, 0, 1};

template<class X, class Y>
    bool minimize(X &x, const Y &y) {
        if (x > y)
        {
            x = y;
            return true;
        }
        return false;
    }
template<class X, class Y>
    bool maximize(X &x, const Y &y) {
        if (x < y)
        {
            x = y;
            return true;
        }
        return false;
    }

const int MOD = 1e9 + 7; //998244353

template<class X, class Y>
    void add(X &x, const Y &y) {
        x = (x + y);
        if(x >= MOD) x -= MOD;
    }

template<class X, class Y> 
    void sub(X &x, const Y &y) {
        x = (x - y);
        if(x < 0) x += MOD;
    }

/* Author : Le Ngoc Bao Anh, 12A5, LQD High School for Gifted Student*/

const ll INF = 1e9;
const int N = 1e5 + 10;

int minValue(int N, int W) {
    int n = N, w = W;
    int b[100], r[100];
    for(int i = 0; i < n; i++) b[i] = 0;
    b[0] = 1;
    int ans = 0;
    playRound(b, r);
    for(int i = 1; i < n; i++) {
        if(r[i] == 0) ans = i;
    }
    return ans;
}

int maxValue(int N, int W) {
    int n = N, w = W;
    int b[100], r[100];
    for(int i = 0; i < n; i++) b[i] = 1;
    playRound(b, r);
    vector<int> nxt;
    for(int i = 0; i < n; i++) if(r[i] == 2) nxt.pb(i);
    for(int i = 0; i < n; i++) b[i] = 0;
    for(auto x : nxt) b[x] = 2;
    playRound(b, r);    
    nxt.clear();
    for(int i = 0; i < n; i++) if(r[i] == 3) nxt.pb(i);
    for(int i = 0; i < n; i++) b[i] = 0;
    for(auto x : nxt) b[x] = 4;
    playRound(b, r);
    nxt.clear();
    for(int i = 0; i < n; i++) if(r[i] == 5) nxt.pb(i);
    for(int i = 0; i < n; i++) b[i] = 0;
    for(auto x : nxt) b[x] = 11;
    playRound(b, r);
    int ans = 0;
    for(int i = 0; i < n; i++) if(r[i] == 12) ans = i;
    return ans;
}

int greaterValue(int N, int W) {
    int lo = 1, hi = 9;
    int n = N, w = W;
    int b[100], r[100];
    while(lo <= hi) {
        int mid = (lo + hi) >> 1;
        for(int i = 0; i < n; i++) b[i] = 0;
        b[0] = b[1] = mid;
        playRound(b, r);
        if(r[0] != r[1]) {
            return (r[0] > r[1] ? 0 : 1);
        }

        if(r[0] > b[0]) {
            lo = mid + 1;
        }  else hi = mid - 1;
    }
    return 0;
}

int n, w;
int coef;
bool compare(int x, int y) {
    int lo = 1, hi = 15;
    int b[100], r[100];
    while(lo <= hi) {
        int mid = (lo + hi) >> 1;
        for(int i = 0; i < n; i++) b[i] = 0;
        b[x] = b[y] = mid;
        if(coef == 2) {
            for(int i = 0; i < n; i++) {
                b[i] = 2 * (b[i] + 1) - 1;
            }
        }
        playRound(b, r);
        if(r[x] != r[y]) {
            return (r[x] > r[y] ? true : false);
        }

        if(r[x] > b[x]) {
            lo = mid + 1;
        }  else hi = mid - 1;
    }
    return true;
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        n = N, w = W;
        coef = 2;
        vector<int> ans;
        ans.pb(0);
        for(int i = 1; i < n; i++) {
            int l = 0, r = ans.size() - 1, pos = -1;
            while(l <= r) {
                int mid = (l + r) >> 1;
                if(compare(i, ans[mid])) {
                    pos = mid;
                    l = mid + 1;
                } else r = mid - 1;
            }
            ans.pb(0);
            for(int i = ans.size() - 1; i > pos + 1; i--) ans[i] = ans[i - 1];
            ans[pos + 1] = i;
        }

        for(int i = 0; i < n; i++) {
            P[ans[i]] = i + 1;
        }
    } else {
        coef = 1;
        n = N, w = W;

        auto solve = [&](vector<int> p) -> vector<int> {
            shuffle(all(p), rng);
            vector<int> ans;
            ans.pb(p[0]);
            for(int i = 1; i < p.size(); i++) {
                int l = 0, r = ans.size() - 1, pos = -1;
                while(l <= r) {
                    int mid = (l + r) >> 1;
                    if(compare(p[i], ans[mid])) {
                        pos = mid;
                        l = mid + 1;
                    } else r = mid - 1;
                }
                ans.pb(0);
                for(int i = ans.size() - 1; i > pos + 1; i--) ans[i] = ans[i - 1];
                ans[pos + 1] = p[i];
            }
            return ans;
        };

        int b[100], r[100];
        for(int i = 0; i < n; i++) b[i] = 1;
        playRound(b, r);
        vector<int> left, right;
        for(int i = 0; i < n; i++) {
            if(r[i] <= b[i]) left.pb(i);
            else right.pb(i);
        }

        vector<int> l1, l2;
        for(int i = 0; i < n; i++) b[i] = 0;
        for(auto x : left) b[x] = 1;
        playRound(b, r);
        for(auto x : left) if(r[x] > b[x]) l2.pb(x); else l1.pb(x);
        l1 = solve(l1);
        l2 = solve(l2);
        right = solve(right);
        vector<int> ans = l1;
        for(auto x : l2) ans.pb(x);
        for(auto x : right) ans.pb(x);

        for(int i = 0; i < n; i++) {
            P[ans[i]] = i + 1;
        }
    }
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:74:16: warning: unused variable 'w' [-Wunused-variable]
   74 |     int n = N, w = W;
      |                ^
koala.cpp: In function 'int maxValue(int, int)':
koala.cpp:87:16: warning: unused variable 'w' [-Wunused-variable]
   87 |     int n = N, w = W;
      |                ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:113:16: warning: unused variable 'w' [-Wunused-variable]
  113 |     int n = N, w = W;
      |                ^
koala.cpp: In lambda function:
koala.cpp:188:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  188 |             for(int i = 1; i < p.size(); i++) {
      |                            ~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 5 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 208 KB Output is correct
2 Correct 13 ms 208 KB Output is correct
3 Correct 16 ms 208 KB Output is correct
4 Correct 14 ms 324 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 63 ms 332 KB Output is correct
2 Correct 61 ms 336 KB Output is correct
3 Correct 62 ms 336 KB Output is correct
4 Correct 52 ms 332 KB Output is correct
5 Correct 51 ms 328 KB Output is correct
6 Correct 64 ms 448 KB Output is correct
7 Correct 56 ms 448 KB Output is correct
8 Correct 54 ms 340 KB Output is correct
9 Correct 78 ms 336 KB Output is correct
10 Correct 48 ms 324 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 208 KB Output is correct
2 Correct 37 ms 304 KB Output is correct
3 Correct 37 ms 208 KB Output is correct
4 Correct 50 ms 208 KB Output is correct
5 Correct 33 ms 304 KB Output is correct
6 Correct 35 ms 304 KB Output is correct
7 Correct 33 ms 208 KB Output is correct
8 Correct 46 ms 304 KB Output is correct
9 Correct 40 ms 208 KB Output is correct
10 Correct 37 ms 208 KB Output is correct
11 Correct 32 ms 208 KB Output is correct
12 Correct 33 ms 300 KB Output is correct
13 Correct 33 ms 208 KB Output is correct
14 Correct 33 ms 304 KB Output is correct
15 Correct 44 ms 208 KB Output is correct
16 Correct 35 ms 208 KB Output is correct
17 Correct 37 ms 208 KB Output is correct
18 Correct 35 ms 328 KB Output is correct
19 Correct 49 ms 208 KB Output is correct
20 Correct 41 ms 300 KB Output is correct

Subtask #5
34.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 15 ms 320 KB Output is partially correct
2 Partially correct 13 ms 208 KB Output is partially correct
3 Partially correct 14 ms 208 KB Output is partially correct
4 Partially correct 14 ms 208 KB Output is partially correct
5 Partially correct 21 ms 320 KB Output is partially correct
6 Partially correct 15 ms 208 KB Output is partially correct
7 Partially correct 14 ms 324 KB Output is partially correct
8 Partially correct 15 ms 312 KB Output is partially correct
9 Partially correct 15 ms 316 KB Output is partially correct
10 Partially correct 20 ms 208 KB Output is partially correct
11 Partially correct 15 ms 344 KB Output is partially correct
12 Partially correct 13 ms 324 KB Output is partially correct
13 Partially correct 20 ms 324 KB Output is partially correct
14 Partially correct 14 ms 324 KB Output is partially correct
15 Partially correct 14 ms 320 KB Output is partially correct
16 Partially correct 15 ms 320 KB Output is partially correct
17 Partially correct 17 ms 320 KB Output is partially correct
18 Partially correct 13 ms 208 KB Output is partially correct
19 Partially correct 17 ms 320 KB Output is partially correct
20 Partially correct 20 ms 208 KB Output is partially correct
21 Partially correct 12 ms 208 KB Output is partially correct
22 Partially correct 22 ms 208 KB Output is partially correct
23 Partially correct 14 ms 208 KB Output is partially correct
24 Partially correct 15 ms 324 KB Output is partially correct
25 Partially correct 28 ms 208 KB Output is partially correct
26 Partially correct 14 ms 316 KB Output is partially correct
27 Partially correct 22 ms 324 KB Output is partially correct
28 Partially correct 14 ms 320 KB Output is partially correct
29 Partially correct 13 ms 324 KB Output is partially correct
30 Partially correct 13 ms 320 KB Output is partially correct
31 Partially correct 14 ms 324 KB Output is partially correct
32 Partially correct 15 ms 208 KB Output is partially correct
33 Partially correct 21 ms 324 KB Output is partially correct
34 Partially correct 14 ms 296 KB Output is partially correct
35 Partially correct 15 ms 320 KB Output is partially correct
36 Partially correct 13 ms 208 KB Output is partially correct
37 Partially correct 13 ms 208 KB Output is partially correct
38 Partially correct 20 ms 208 KB Output is partially correct
39 Partially correct 14 ms 208 KB Output is partially correct
40 Partially correct 14 ms 208 KB Output is partially correct