oj.uz

Submission #252337

# Submission time Handle Problem Language Result Execution time Memory
252337 2020-07-25T10:07:01 Z SamAnd Archery (IOI09_archery) C++17
19 / 100
 2000 ms 7672 KB 
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
const int N = 400005;

int n, r;
int a[N];

pair<int, int> b[N], bb[N];

void solv1()
{
    int ans1 = N, ans2;
    for (int u = n; u >= 1; --u)
    {
        int k = 0;
        for (int i = 2; i < u * 2; i += 2)
            b[++k] = m_p(a[i], a[i + 1]);
        b[++k] = m_p(0, a[u * 2]);
        for (int i = u * 2 + 1; i <= n * 2; i += 2)
            b[++k] = m_p(a[i], a[i + 1]);
        for (int j = 1; j <= 2 * n; ++j)
        {
            for (int i = 1; i <= n; ++i)
            {
                if (b[i].first > b[i].second)
                {
                    if (i == 1)
                    {
                        bb[i].second = b[i].first;
                        bb[n].first = b[i].second;
                    }
                    else
                    {
                        bb[i - 1].first = b[i].first;
                        bb[i].second = b[i].second;
                    }
                }
                else
                {
                    if (i == 1)
                    {
                        bb[i].second = b[i].second;
                        bb[n].first = b[i].first;
                    }
                    else
                    {
                        bb[i - 1].first = b[i].second;
                        bb[i].second = b[i].first;
                    }
                }
            }
            for (int i = 1; i <= n; ++i)
                b[i] = bb[i];
        }
        int t = 0;
        for (int i = 1; i <= n; ++i)
        {
            if (b[i].second == 0)
            {
                t = i;
                break;
            }
        }
        if (!t)
        {
            for (int i = 1; i <= n; ++i)
            {
                if (b[i].first == 0)
                {
                    t = (i - 1 - (r - n * 2) % n + n) % n;
                    ++t;
                    break;
                }
            }
        }
        if (t < ans1)
        {
            ans1 = t;
            ans2 = u;
        }
        if (ans1 == 1)
            break;
    }
    printf("%d\n", ans2);
}

int main()
{
    scanf("%d%d", &n, &r);
    for (int i = 1; i <= n * 2; ++i)
        scanf("%d", &a[i]);
    if (a[1] == 1)
    {
        printf("%d\n", n * 2);
        return 0;
    }
    if (a[1] == n * 2)
    {
        printf("%d\n", 2);
        return 0;
    }
    for (int i = 2; i <= n * 2; ++i)
    {
        if (a[i] < a[1])
            a[i] = 1;
        else
            a[i] = -1;
    }
    a[1] = 0;
    solv1();
    return 0;
}

Compilation message

archery.cpp: In function 'int main()':
archery.cpp:90:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &r);
     ~~~~~^~~~~~~~~~~~~~~~
archery.cpp:92:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
3.0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 512 KB Output isn't correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Correct 5 ms 384 KB Output is correct
4 Execution timed out 2083 ms 384 KB Time limit exceeded
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct

Subtask #2
16.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 35 ms 384 KB Output is correct
3 Execution timed out 2077 ms 384 KB Time limit exceeded
4 Execution timed out 2084 ms 896 KB Time limit exceeded
5 Execution timed out 2080 ms 6520 KB Time limit exceeded
6 Correct 35 ms 384 KB Output is correct
7 Execution timed out 2080 ms 384 KB Time limit exceeded
8 Execution timed out 2086 ms 896 KB Time limit exceeded
9 Execution timed out 2081 ms 1024 KB Time limit exceeded
10 Execution timed out 2086 ms 384 KB Time limit exceeded
11 Execution timed out 2090 ms 1024 KB Time limit exceeded
12 Execution timed out 2091 ms 384 KB Time limit exceeded
13 Execution timed out 2074 ms 4760 KB Time limit exceeded
14 Execution timed out 2076 ms 512 KB Time limit exceeded
15 Execution timed out 2082 ms 1408 KB Time limit exceeded
16 Correct 34 ms 384 KB Output is correct
17 Execution timed out 2084 ms 384 KB Time limit exceeded
18 Execution timed out 2097 ms 384 KB Time limit exceeded
19 Execution timed out 2086 ms 384 KB Time limit exceeded
20 Execution timed out 2086 ms 512 KB Time limit exceeded
21 Execution timed out 2069 ms 1024 KB Time limit exceeded
22 Execution timed out 2056 ms 1448 KB Time limit exceeded
23 Execution timed out 2091 ms 6904 KB Time limit exceeded
24 Correct 35 ms 504 KB Output is correct
25 Execution timed out 2077 ms 384 KB Time limit exceeded
26 Execution timed out 2065 ms 512 KB Time limit exceeded
27 Execution timed out 2076 ms 1024 KB Time limit exceeded
28 Execution timed out 2079 ms 4984 KB Time limit exceeded
29 Execution timed out 2078 ms 384 KB Time limit exceeded
30 Execution timed out 2078 ms 512 KB Time limit exceeded
31 Execution timed out 2045 ms 1024 KB Time limit exceeded
32 Execution timed out 2083 ms 6776 KB Time limit exceeded
33 Correct 36 ms 384 KB Output is correct
34 Correct 35 ms 384 KB Output is correct
35 Execution timed out 2085 ms 384 KB Time limit exceeded
36 Execution timed out 2090 ms 384 KB Time limit exceeded
37 Execution timed out 2090 ms 896 KB Time limit exceeded
38 Execution timed out 2085 ms 1152 KB Time limit exceeded
39 Correct 28 ms 384 KB Output is correct
40 Execution timed out 2079 ms 384 KB Time limit exceeded
41 Execution timed out 2083 ms 384 KB Time limit exceeded
42 Execution timed out 2089 ms 384 KB Time limit exceeded
43 Execution timed out 2045 ms 512 KB Time limit exceeded
44 Execution timed out 2071 ms 640 KB Time limit exceeded
45 Execution timed out 2088 ms 1024 KB Time limit exceeded
46 Execution timed out 2089 ms 1024 KB Time limit exceeded
47 Execution timed out 2090 ms 7672 KB Time limit exceeded