oj.uz

Submission #228759

# Submission time Handle Problem Language Result Execution time Memory
228759 2020-05-02T13:35:20 Z osaaateiasavtnl Archery (IOI09_archery) C++14
27 / 100
 2000 ms 8156 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) {
                if (a[i] != 2) {
                    all2 = 0;
                    break;
                }   
            }   
            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;
                    }
            }
            
            if (a[1] == 0 && a[0] != x && a[1] != x) {
                bool all0 = 1;
                for (int i = 0; i < 2 * n; i += 2) {
                    if (a[i]) {
                        all0 = 0;
                        break;
                    }   
                }   
                if (all0) {
                    for (int i = 0; i < a.size(); ++i) {
                        if (a[i] == x) {
                            return i / 2;
                        }   
                    }   
                }                
            }   
              
        }   
 
        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:51:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i = 0; i < a.size(); ++i)
                                 ~~^~~~~~~~~~
archery.cpp:68:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     for (int i = 0; i < a.size(); ++i) {
                                     ~~^~~~~~~~~~
archery.cpp:80:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 4; i < a.size(); i += 2) {
                         ~~^~~~~~~~~~
archery.cpp:87:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < a.size(); ++i)
                     ~~^~~~~~~~~~
archery.cpp:90:1: 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 2081 ms 384 KB Time limit exceeded
3 Correct 21 ms 384 KB Output is correct
4 Correct 822 ms 504 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct

Subtask #2
22.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 7 ms 384 KB Output is correct
3 Correct 1353 ms 384 KB Output is correct
4 Execution timed out 2075 ms 1064 KB Time limit exceeded
5 Execution timed out 2083 ms 6980 KB Time limit exceeded
6 Correct 48 ms 384 KB Output is correct
7 Correct 940 ms 504 KB Output is correct
8 Execution timed out 2087 ms 1236 KB Time limit exceeded
9 Execution timed out 2085 ms 1324 KB Time limit exceeded
10 Correct 803 ms 504 KB Output is correct
11 Execution timed out 2085 ms 1544 KB Time limit exceeded
12 Execution timed out 2088 ms 384 KB Time limit exceeded
13 Execution timed out 2087 ms 5172 KB Time limit exceeded
14 Execution timed out 2091 ms 756 KB Time limit exceeded
15 Execution timed out 2077 ms 1860 KB Time limit exceeded
16 Correct 24 ms 384 KB Output is correct
17 Execution timed out 2088 ms 384 KB Time limit exceeded
18 Execution timed out 2080 ms 384 KB Time limit exceeded
19 Execution timed out 2077 ms 432 KB Time limit exceeded
20 Execution timed out 2082 ms 880 KB Time limit exceeded
21 Execution timed out 2094 ms 1436 KB Time limit exceeded
22 Execution timed out 2078 ms 1608 KB Time limit exceeded
23 Execution timed out 2076 ms 7416 KB Time limit exceeded
24 Correct 29 ms 384 KB Output is correct
25 Execution timed out 2086 ms 384 KB Time limit exceeded
26 Execution timed out 2078 ms 724 KB Time limit exceeded
27 Execution timed out 2070 ms 1232 KB Time limit exceeded
28 Execution timed out 2081 ms 5268 KB Time limit exceeded
29 Execution timed out 2086 ms 384 KB Time limit exceeded
30 Execution timed out 2082 ms 776 KB Time limit exceeded
31 Execution timed out 2083 ms 1292 KB Time limit exceeded
32 Execution timed out 2088 ms 7200 KB Time limit exceeded
33 Correct 28 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Execution timed out 2085 ms 384 KB Time limit exceeded
36 Execution timed out 2082 ms 384 KB Time limit exceeded
37 Execution timed out 2084 ms 1360 KB Time limit exceeded
38 Execution timed out 2093 ms 1416 KB Time limit exceeded
39 Correct 30 ms 384 KB Output is correct
40 Execution timed out 2081 ms 384 KB Time limit exceeded
41 Execution timed out 2079 ms 384 KB Time limit exceeded
42 Execution timed out 2061 ms 384 KB Time limit exceeded
43 Execution timed out 2086 ms 728 KB Time limit exceeded
44 Execution timed out 2074 ms 1100 KB Time limit exceeded
45 Execution timed out 2079 ms 1288 KB Time limit exceeded
46 Execution timed out 2078 ms 1400 KB Time limit exceeded
47 Execution timed out 2085 ms 8156 KB Time limit exceeded