oj.uz

Submission #959533

# Submission time Handle Problem Language Result Execution time Memory
959533 2024-04-08T12:05:51 Z Trisanu_Das Koala Game (APIO17_koala) C++17
91 / 100
 48 ms 756 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; 
 
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;
    }
 
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;
}
 
vector<int> solve(vector<int> p) {
    if(p.size() > 3) {
        int b[100], r[100];
        for(int i = 0; i < n; i++) b[i] = 0;
        int t = 2 * (n - p.size()) / p.size() - 1;
        while(t * p.size() > n) t--;
        for(auto x : p) b[x] = t;
        playRound(b, r);
        vector<int> left, right;
        for(auto x : p) if(r[x] > b[x]) right.pb(x); else left.pb(x);
        if(left.size() && right.size()) {
            left = solve(left);
            right = solve(right);
            for(auto x : right) left.pb(x);
            return left;
        }
    }
    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;
}
 
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;
 
        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:72:16: warning: unused variable 'w' [-Wunused-variable]
   72 |     int n = N, w = W;
      |                ^
koala.cpp: In function 'int maxValue(int, int)':
koala.cpp:85:16: warning: unused variable 'w' [-Wunused-variable]
   85 |     int n = N, w = W;
      |                ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:111:16: warning: unused variable 'w' [-Wunused-variable]
  111 |     int n = N, w = W;
      |                ^
koala.cpp: In function 'std::vector<int> solve(std::vector<int>)':
koala.cpp:160:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  160 |         while(t * p.size() > n) t--;
      |               ~~~~~~~~~~~~~^~~
koala.cpp:175:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  175 |     for(int i = 1; i < p.size(); i++) {
      |                    ~~^~~~~~~~~~

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 500 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 11 ms 460 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 11 ms 344 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 476 KB Output is correct
2 Correct 48 ms 472 KB Output is correct
3 Correct 43 ms 756 KB Output is correct
4 Correct 44 ms 484 KB Output is correct
5 Correct 41 ms 472 KB Output is correct
6 Correct 41 ms 488 KB Output is correct
7 Correct 41 ms 488 KB Output is correct
8 Correct 42 ms 464 KB Output is correct
9 Correct 41 ms 468 KB Output is correct
10 Correct 41 ms 484 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 344 KB Output is correct
2 Correct 29 ms 344 KB Output is correct
3 Correct 30 ms 452 KB Output is correct
4 Correct 31 ms 456 KB Output is correct
5 Correct 29 ms 460 KB Output is correct
6 Correct 28 ms 432 KB Output is correct
7 Correct 29 ms 344 KB Output is correct
8 Correct 30 ms 448 KB Output is correct
9 Correct 30 ms 344 KB Output is correct
10 Correct 31 ms 340 KB Output is correct
11 Correct 28 ms 344 KB Output is correct
12 Correct 28 ms 436 KB Output is correct
13 Correct 42 ms 344 KB Output is correct
14 Correct 27 ms 344 KB Output is correct
15 Correct 29 ms 592 KB Output is correct
16 Correct 28 ms 344 KB Output is correct
17 Correct 28 ms 344 KB Output is correct
18 Correct 33 ms 344 KB Output is correct
19 Correct 29 ms 344 KB Output is correct
20 Correct 28 ms 344 KB Output is correct

Subtask #5
44.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 5 ms 344 KB Output is partially correct
2 Partially correct 7 ms 344 KB Output is partially correct
3 Partially correct 5 ms 344 KB Output is partially correct
4 Partially correct 5 ms 344 KB Output is partially correct
5 Partially correct 5 ms 344 KB Output is partially correct
6 Partially correct 5 ms 476 KB Output is partially correct
7 Partially correct 6 ms 344 KB Output is partially correct
8 Partially correct 6 ms 344 KB Output is partially correct
9 Partially correct 5 ms 344 KB Output is partially correct
10 Partially correct 5 ms 344 KB Output is partially correct
11 Partially correct 5 ms 344 KB Output is partially correct
12 Partially correct 5 ms 344 KB Output is partially correct
13 Partially correct 5 ms 344 KB Output is partially correct
14 Partially correct 5 ms 344 KB Output is partially correct
15 Partially correct 5 ms 344 KB Output is partially correct
16 Partially correct 5 ms 344 KB Output is partially correct
17 Partially correct 7 ms 468 KB Output is partially correct
18 Partially correct 6 ms 340 KB Output is partially correct
19 Partially correct 5 ms 344 KB Output is partially correct
20 Partially correct 5 ms 344 KB Output is partially correct
21 Partially correct 5 ms 344 KB Output is partially correct
22 Partially correct 6 ms 468 KB Output is partially correct
23 Partially correct 5 ms 344 KB Output is partially correct
24 Partially correct 6 ms 344 KB Output is partially correct
25 Partially correct 5 ms 344 KB Output is partially correct
26 Partially correct 5 ms 344 KB Output is partially correct
27 Partially correct 5 ms 344 KB Output is partially correct
28 Partially correct 5 ms 468 KB Output is partially correct
29 Partially correct 5 ms 344 KB Output is partially correct
30 Partially correct 5 ms 472 KB Output is partially correct
31 Partially correct 5 ms 344 KB Output is partially correct
32 Partially correct 6 ms 472 KB Output is partially correct
33 Partially correct 5 ms 344 KB Output is partially correct
34 Partially correct 5 ms 344 KB Output is partially correct
35 Partially correct 5 ms 344 KB Output is partially correct
36 Partially correct 5 ms 344 KB Output is partially correct
37 Partially correct 5 ms 344 KB Output is partially correct
38 Partially correct 5 ms 344 KB Output is partially correct
39 Partially correct 5 ms 344 KB Output is partially correct
40 Partially correct 6 ms 344 KB Output is partially correct