oj.uz

Submission #228742

# Submission time Handle Problem Language Result Execution time Memory
228742 2020-05-02T12:56:09 Z osaaateiasavtnl Archery (IOI09_archery) C++14
20 / 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
int get(vector <int> a, int x, int R) {
    if (a.size() == 2)
        return 0;
    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]);
        }   
        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 'int get(std::vector<int>, int, int)':
archery.cpp:16:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < a.size(); i += 2) {
                         ~~^~~~~~~~~~
archery.cpp:22:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 4; i < a.size(); i += 2) {
                         ~~^~~~~~~~~~
archery.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < a.size(); ++i)
                     ~~^~~~~~~~~~
archery.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
 }   
 ^

Subtask #1
4.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Execution timed out 2069 ms 384 KB Time limit exceeded
3 Correct 22 ms 384 KB Output is correct
4 Execution timed out 2087 ms 504 KB Time limit exceeded
5 Correct 5 ms 384 KB Output is correct
6 Correct 91 ms 504 KB Output is correct

Subtask #2
16.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 384 KB Output is correct
2 Correct 117 ms 384 KB Output is correct
3 Execution timed out 2087 ms 384 KB Time limit exceeded
4 Execution timed out 2088 ms 1016 KB Time limit exceeded
5 Execution timed out 2089 ms 6980 KB Time limit exceeded
6 Correct 91 ms 384 KB Output is correct
7 Execution timed out 2090 ms 384 KB Time limit exceeded
8 Execution timed out 2081 ms 1016 KB Time limit exceeded
9 Execution timed out 2089 ms 1236 KB Time limit exceeded
10 Execution timed out 2045 ms 384 KB Time limit exceeded
11 Execution timed out 2092 ms 1112 KB Time limit exceeded
12 Execution timed out 2089 ms 384 KB Time limit exceeded
13 Execution timed out 2087 ms 5168 KB Time limit exceeded
14 Execution timed out 2093 ms 808 KB Time limit exceeded
15 Execution timed out 2090 ms 1540 KB Time limit exceeded
16 Correct 113 ms 384 KB Output is correct
17 Execution timed out 2086 ms 384 KB Time limit exceeded
18 Execution timed out 2086 ms 384 KB Time limit exceeded
19 Execution timed out 2069 ms 632 KB Time limit exceeded
20 Execution timed out 2091 ms 764 KB Time limit exceeded
21 Execution timed out 2089 ms 1240 KB Time limit exceeded
22 Execution timed out 2086 ms 1552 KB Time limit exceeded
23 Execution timed out 2065 ms 7416 KB Time limit exceeded
24 Correct 113 ms 384 KB Output is correct
25 Execution timed out 2078 ms 384 KB Time limit exceeded
26 Execution timed out 2083 ms 672 KB Time limit exceeded
27 Execution timed out 2075 ms 1112 KB Time limit exceeded
28 Execution timed out 2085 ms 5276 KB Time limit exceeded
29 Execution timed out 2088 ms 384 KB Time limit exceeded
30 Execution timed out 2087 ms 700 KB Time limit exceeded
31 Execution timed out 2086 ms 1120 KB Time limit exceeded
32 Execution timed out 2084 ms 7200 KB Time limit exceeded
33 Correct 109 ms 384 KB Output is correct
34 Correct 106 ms 384 KB Output is correct
35 Execution timed out 2088 ms 384 KB Time limit exceeded
36 Execution timed out 2088 ms 512 KB Time limit exceeded
37 Execution timed out 2081 ms 1120 KB Time limit exceeded
38 Execution timed out 2086 ms 1340 KB Time limit exceeded
39 Correct 94 ms 384 KB Output is correct
40 Execution timed out 2088 ms 384 KB Time limit exceeded
41 Execution timed out 2076 ms 384 KB Time limit exceeded
42 Execution timed out 2077 ms 632 KB Time limit exceeded
43 Execution timed out 2074 ms 876 KB Time limit exceeded
44 Execution timed out 2077 ms 888 KB Time limit exceeded
45 Execution timed out 2081 ms 1120 KB Time limit exceeded
46 Execution timed out 2080 ms 1236 KB Time limit exceeded
47 Execution timed out 2068 ms 8284 KB Time limit exceeded