oj.uz

답안 #228734

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
228734 2020-05-02T12:33:19 Z osaaateiasavtnl Archery (IOI09_archery) C++14
20 / 100
 2000 ms 6620 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 %= 2 * 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];
    int ans = 1e9;
    int start = -1;
    for (int to = 0; to < 2 * n; ++to) {
        vector <int> t = p;
        t.insert(t.begin() + to, my);
        int nn = get(t, my, R);
        if (nn <= ans) {
            ans = nn;
            start = to / 2;
        }   
    }       

    #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

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Execution timed out 2083 ms 384 KB Time limit exceeded
3 Correct 26 ms 384 KB Output is correct
4 Execution timed out 2092 ms 384 KB Time limit exceeded
5 Correct 5 ms 384 KB Output is correct
6 Correct 105 ms 384 KB Output is correct

Subtask #2
16.0 / 94.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 384 KB Output is correct
2 Correct 123 ms 384 KB Output is correct
3 Execution timed out 2085 ms 384 KB Time limit exceeded
4 Execution timed out 2088 ms 868 KB Time limit exceeded
5 Execution timed out 2091 ms 5700 KB Time limit exceeded
6 Correct 100 ms 384 KB Output is correct
7 Execution timed out 2091 ms 384 KB Time limit exceeded
8 Execution timed out 2091 ms 888 KB Time limit exceeded
9 Execution timed out 2082 ms 988 KB Time limit exceeded
10 Execution timed out 2086 ms 384 KB Time limit exceeded
11 Execution timed out 2089 ms 984 KB Time limit exceeded
12 Execution timed out 2089 ms 384 KB Time limit exceeded
13 Execution timed out 2092 ms 4144 KB Time limit exceeded
14 Execution timed out 2083 ms 724 KB Time limit exceeded
15 Execution timed out 2088 ms 1412 KB Time limit exceeded
16 Correct 125 ms 384 KB Output is correct
17 Execution timed out 2089 ms 384 KB Time limit exceeded
18 Execution timed out 2088 ms 384 KB Time limit exceeded
19 Execution timed out 2086 ms 504 KB Time limit exceeded
20 Execution timed out 2087 ms 752 KB Time limit exceeded
21 Execution timed out 2083 ms 984 KB Time limit exceeded
22 Execution timed out 2087 ms 1296 KB Time limit exceeded
23 Execution timed out 2095 ms 6008 KB Time limit exceeded
24 Correct 131 ms 388 KB Output is correct
25 Execution timed out 2084 ms 384 KB Time limit exceeded
26 Execution timed out 2085 ms 692 KB Time limit exceeded
27 Execution timed out 2090 ms 984 KB Time limit exceeded
28 Execution timed out 2089 ms 4380 KB Time limit exceeded
29 Execution timed out 2083 ms 384 KB Time limit exceeded
30 Execution timed out 2084 ms 824 KB Time limit exceeded
31 Execution timed out 2081 ms 992 KB Time limit exceeded
32 Execution timed out 2083 ms 5792 KB Time limit exceeded
33 Correct 164 ms 384 KB Output is correct
34 Correct 105 ms 504 KB Output is correct
35 Execution timed out 2090 ms 384 KB Time limit exceeded
36 Execution timed out 2076 ms 384 KB Time limit exceeded
37 Execution timed out 2089 ms 888 KB Time limit exceeded
38 Execution timed out 2085 ms 1212 KB Time limit exceeded
39 Correct 135 ms 384 KB Output is correct
40 Execution timed out 2094 ms 384 KB Time limit exceeded
41 Execution timed out 2084 ms 384 KB Time limit exceeded
42 Execution timed out 2072 ms 384 KB Time limit exceeded
43 Execution timed out 2078 ms 784 KB Time limit exceeded
44 Execution timed out 2072 ms 760 KB Time limit exceeded
45 Execution timed out 2091 ms 992 KB Time limit exceeded
46 Execution timed out 2082 ms 980 KB Time limit exceeded
47 Execution timed out 2083 ms 6620 KB Time limit exceeded