Submission #210156

# Submission time Handle Problem Language Result Execution time Memory
210156 2020-03-16T17:12:33 Z stefdasca Zoltan (COCI16_zoltan) C++14
21 / 140
1000 ms 22520 KB
#include<bits/stdc++.h>
using namespace std;

int n, v[200002], sortt[200002];
map<int, int> mp;
int dp[1002][1002];
int cnt[1002][1002];
int frq[1002];

const int mod = 1000000007;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    for(int i = 1; i <= n; ++i)
    {
        cin >> v[i];
        sortt[i] = v[i];
    }
    sort(sortt + 1, sortt + n + 1);
    int valdis = 0;
    for(int i = 1; i <= n; ++i)
        if(i == 1 || sortt[i] > sortt[i-1])
            mp[sortt[i]] = ++valdis;
    for(int i = 1; i <= n; ++i)
        v[i] = mp[v[i]];
    dp[v[1]][v[1]] = cnt[v[1]][v[1]] = 1;
    ++frq[v[1]];
    int put = 1;
    for(int i = 2; i <= n; ++i)
    {
        for(int len = valdis; len >= 1; --len)
            for(int j = 1; j + len - 1 <= valdis; ++j)
            {
                int k = j + len - 1;
                if(!dp[j][k])
                    continue;
                int fct = 2;
                if(v[i] < j)
                {
                    if(dp[j][k] + 1 > dp[v[i]][k])
                    {
                        dp[v[i]][k] = dp[j][k] + 1;
                        cnt[v[i]][k] = cnt[j][k];
                    }
                    else
                        if(dp[j][k] + 1 == dp[v[i]][k])
                        {
                            cnt[v[i]][k] = (cnt[v[i]][k] + cnt[j][k]);
                            if(cnt[v[i]][k] >= mod)
                                cnt[v[i]][k] -= mod;
                        }
                    --fct;
                }
                if(v[i] > k)
                {
                    --fct;
                    if(dp[j][k] + 1 > dp[j][v[i]])
                    {
                        dp[j][v[i]] = dp[j][k] + 1;
                        cnt[j][v[i]] = cnt[j][k];
                    }
                    else
                        if(dp[j][k] + 1 == dp[j][v[i]])
                        {
                            cnt[j][v[i]] = (cnt[j][v[i]] + cnt[j][k]);
                            if(cnt[j][v[i]] >= mod)
                                cnt[j][v[i]] -= mod;
                        }
                }
                if(fct == 2)
                {
                    cnt[j][k] += cnt[j][k];
                    if(cnt[j][k] >= mod)
                        cnt[j][k] -= mod;
                }
                //   }
            }
        put = put + put;
        if(put >= mod)
            put -= mod;
        ++frq[v[i]];
        for(int j = 1; j <= valdis; ++j)
            cnt[j][j] = (1LL * frq[j] * put) % mod;

        //  cout << dp[1][2] << " " << cnt[1][2] << '\n';
        //  cout << dp[1][3] << " " << cnt[1][3] << '\n';
        /*
        for(int j = 1; j <= valdis; ++j)
        {
            int maxv = 0;
            for(int k = j; k <= valdis; ++k)
                if(dp[j][k] < maxv)
                    dp[j][k] = cnt[j][k] = 0;
                else
                    maxv = dp[j][k];
        }
        */
    }
    int bst = 0;
    int nr = 0;
    for(int i = 1; i <= valdis; ++i)
        for(int j = i; j <= valdis; ++j)
            if(dp[i][j] > bst)
            {
                bst = dp[i][j];
                nr = cnt[i][j];
            }
            else
                if(dp[i][j] == bst)
                {
                    nr = nr + cnt[i][j];
                    if(nr >= mod)
                        nr -= mod;
                }
    cout << bst << " " << nr << '\n';
    return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 376 KB Output isn't correct
2 Incorrect 5 ms 504 KB Output isn't correct
3 Incorrect 4 ms 504 KB Output isn't correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Execution timed out 1046 ms 5408 KB Time limit exceeded
8 Execution timed out 1029 ms 7136 KB Time limit exceeded
9 Execution timed out 1097 ms 6704 KB Time limit exceeded
10 Incorrect 873 ms 4984 KB Output isn't correct
11 Runtime error 108 ms 18040 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 91 ms 15736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 87 ms 14840 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 128 ms 15864 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 165 ms 19448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 199 ms 22520 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 127 ms 19576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 131 ms 19528 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 126 ms 19576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 132 ms 19576 KB Execution killed with signal 11 (could be triggered by violating memory limits)