oj.uz

Submission #228758

# Submission time Handle Problem Language Result Execution time Memory
228758 2020-05-02T13:29:30 Z osaaateiasavtnl Archery (IOI09_archery) C++14
25 / 100
 2000 ms 8284 KB 
#include<bits/stdc++.h>
using namespace std;
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcount
#define ll long long
#define mp make_pair
#define f first
#define s second
#define Time (double)clock()/CLOCKS_PER_SEC
void print(vector <int> a) {
    cout << "cur:" << endl;
    for (int i = 0; i < a.size(); i += 2)
        cout << a[i] << ' ';
    cout << endl;
    for (int i = 1; i < a.size(); i += 2)
        cout << a[i] << ' ';
    cout << endl;
}   
int get(vector <int> a, int x, int R) {
    #ifdef HOME
    cout << "GET:"<< endl;
    #endif
 
    if (a.size() == 2)
        return 0;
 
    int n = a.size() / 2;            
 
    for (int t = 0; t < R; ++t) {
        for (int i = 0; i < a.size(); i += 2) {
            if (a[i] > a[i + 1])
                swap(a[i], a[i + 1]);
        }   
 
        #ifdef HOME
        print(a);
        #endif
 
        if (a[0] == 0) {
            bool all2 = 1;
            for (int i = 1; i < 2 * n; i += 2)
                all2 &= a[i] == 2;
            if (all2) {
                int r = R - t;
                for (int i = 0; i < a.size(); ++i)
                    if (a[i] == x) {
                        int ans = i / 2;
                        ans -= r;
                        return (ans % n + n) % n;
                    }
            }
            
            bool all0 = 1;
            for (int i = 0; i < 2 * n; i += 2)
                all0 &= a[i] == 0;
            if (all0 && a[1] == 0) {
                for (int i = 0; i < a.size(); ++i) {
                    if (a[i] == x) {
                        int ans = i / 2;
                        if (ans) {
                            return ans;
                        }
                    }   
                }   
            }
              
        }   
 
        vector <int> b = a;
        b[1] = a[2];
        for (int i = 4; i < a.size(); i += 2) {
            b[i - 2] = a[i];            
        }   
        b[(int)b.size() - 2] = a[1];
 
        a = b;
    }    
    for (int i = 0; i < a.size(); ++i)
        if (a[i] == x)
            return i / 2;
}   
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    #define endl '\n'
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int n, R;
    cin >> n >> R;
 
    R %= n;
    R += 2 * n;
 
    int my;
    cin >> my;
    vector <int> p(2 * n - 1);
    for (int i = 0; i < 2 * n - 1; ++i) {
        cin >> p[i];
        if (p[i] < my)
            p[i] = 0;
        else
            p[i] = 2;
    }            
    my = 1;
 
    int ans = 1e9;
    int start = -1;
 
    vector <int> nd(2 * n);
 
    for (int i = 0; i < 2 * n; ++i) {
        vector <int> t = p;
        t.insert(t.begin() + i, my);
        nd[i] = get(t, my, R);
    }       
    for (int i = 0; i < 2 * n; ++i) {
        if (nd[i] <= ans) {
            ans = nd[i];
            start = i / 2;
        }   
    }   
 
    /*    
    for (int i = 0; i < 2 * n; ++i)
        cout << nd[i] << ' ';
    cout << endl;
    */
 
    #ifdef HOME
    cout << "ans : " << ans << endl;
    #endif
 
    cout << start + 1 << endl;
}

Compilation message

archery.cpp: In function 'void print(std::vector<int>)':
archery.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < a.size(); i += 2)
                     ~~^~~~~~~~~~
archery.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 1; i < a.size(); i += 2)
                     ~~^~~~~~~~~~
archery.cpp: In function 'int get(std::vector<int>, int, int)':
archery.cpp:32:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < a.size(); i += 2) {
                         ~~^~~~~~~~~~
archery.cpp:47:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i = 0; i < a.size(); ++i)
                                 ~~^~~~~~~~~~
archery.cpp:59:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i = 0; i < a.size(); ++i) {
                                 ~~^~~~~~~~~~
archery.cpp:73:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 4; i < a.size(); i += 2) {
                         ~~^~~~~~~~~~
archery.cpp:80:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < a.size(); ++i)
                     ~~^~~~~~~~~~
archery.cpp:83:1: warning: control reaches end of non-void function [-Wreturn-type]
 }   
 ^

Subtask #1
5.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Execution timed out 2037 ms 384 KB Time limit exceeded
3 Correct 30 ms 384 KB Output is correct
4 Correct 1340 ms 512 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct

Subtask #2
20.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 8 ms 256 KB Output is correct
3 Execution timed out 2079 ms 384 KB Time limit exceeded
4 Execution timed out 2086 ms 1024 KB Time limit exceeded
5 Execution timed out 2089 ms 6984 KB Time limit exceeded
6 Correct 57 ms 384 KB Output is correct
7 Correct 1638 ms 384 KB Output is correct
8 Execution timed out 2043 ms 1372 KB Time limit exceeded
9 Execution timed out 2078 ms 1268 KB Time limit exceeded
10 Correct 966 ms 504 KB Output is correct
11 Execution timed out 2093 ms 1264 KB Time limit exceeded
12 Execution timed out 2090 ms 384 KB Time limit exceeded
13 Execution timed out 2033 ms 5176 KB Time limit exceeded
14 Execution timed out 2093 ms 724 KB Time limit exceeded
15 Execution timed out 2078 ms 1656 KB Time limit exceeded
16 Correct 28 ms 384 KB Output is correct
17 Execution timed out 2093 ms 384 KB Time limit exceeded
18 Execution timed out 2076 ms 384 KB Time limit exceeded
19 Execution timed out 2047 ms 512 KB Time limit exceeded
20 Execution timed out 2090 ms 796 KB Time limit exceeded
21 Execution timed out 2076 ms 1276 KB Time limit exceeded
22 Execution timed out 2041 ms 1672 KB Time limit exceeded
23 Execution timed out 2094 ms 7416 KB Time limit exceeded
24 Correct 42 ms 384 KB Output is correct
25 Execution timed out 2069 ms 384 KB Time limit exceeded
26 Execution timed out 2095 ms 792 KB Time limit exceeded
27 Execution timed out 2075 ms 1232 KB Time limit exceeded
28 Execution timed out 2025 ms 5268 KB Time limit exceeded
29 Execution timed out 2088 ms 384 KB Time limit exceeded
30 Execution timed out 2091 ms 844 KB Time limit exceeded
31 Execution timed out 2072 ms 1184 KB Time limit exceeded
32 Execution timed out 2065 ms 7200 KB Time limit exceeded
33 Correct 39 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Execution timed out 2082 ms 384 KB Time limit exceeded
36 Execution timed out 2087 ms 384 KB Time limit exceeded
37 Execution timed out 2091 ms 1296 KB Time limit exceeded
38 Execution timed out 2082 ms 1340 KB Time limit exceeded
39 Correct 45 ms 384 KB Output is correct
40 Execution timed out 2095 ms 384 KB Time limit exceeded
41 Execution timed out 2088 ms 384 KB Time limit exceeded
42 Execution timed out 2080 ms 384 KB Time limit exceeded
43 Execution timed out 2095 ms 628 KB Time limit exceeded
44 Execution timed out 2076 ms 892 KB Time limit exceeded
45 Execution timed out 2092 ms 1240 KB Time limit exceeded
46 Execution timed out 2078 ms 1396 KB Time limit exceeded
47 Execution timed out 2081 ms 8284 KB Time limit exceeded