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Submission #397452

# Submission time Handle Problem Language Result Execution time Memory
397452 2021-05-02T09:17:31 Z mewnian Baloni (COCI15_baloni) C++14
0 / 100
 82 ms 10768 KB 
#include <bits/stdc++.h>
#define sze(x) (ll)x.size()
#define idx(x, a) get<x>(a)
#define pb push_back
#define fi first
#define se second

using namespace std;

typedef long long ll;

const ll MAXN = 1e6 + 3;
const ll INF = 1e18 + 7;

ll a[MAXN], n, res = 0;
bitset<MAXN> here, need;

int main()
{
    ios_base::sync_with_stdio(0); cout.tie(0);
    #ifdef OFFLINE
    freopen("input.inp", "r", stdin);
    #endif
    cin >> n;
    for (ll i = 0; i < n; ++i) cin >> a[i];
    for (ll i = n - 1; i >= 0; --i)
    {
        if (here[a[i] - 1]) here[a[i] - 1] = 0;
        else ++res;
        here[a[i]] = 1;
    }
    cout << res;
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Incorrect 1 ms 332 KB Output isn't correct
3 Incorrect 1 ms 332 KB Output isn't correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Incorrect 78 ms 10052 KB Output isn't correct
6 Incorrect 82 ms 10768 KB Output isn't correct
7 Incorrect 66 ms 8804 KB Output isn't correct
8 Incorrect 66 ms 8776 KB Output isn't correct
9 Incorrect 74 ms 9488 KB Output isn't correct
10 Incorrect 73 ms 9608 KB Output isn't correct