oj.uz

Submission #107670

# Submission time Handle Problem Language Result Execution time Memory
107670 2019-04-25T12:19:24 Z dfistric Sequence (BOI14_sequence) C++14
0 / 100
 4 ms 512 KB 
#include <bits/stdc++.h>

#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define FORd(i, a, b) for (int i = (a); i >= (b); i--)
#define REP(i, n) FOR(i, 0, n)
#define ll long long

using namespace std;

const int MAXN = 100100;
ll arr[MAXN];

int main() {
    ios_base::sync_with_stdio(false);
 
    int n;
    cin >> n;
    REP(i, n) cin >> arr[i];

    if (arr[0] != 9) {
        n--;
        int t = 1;
        while (t < n) t *= 10;

        if (arr[0] == 0) cout << 10 * t << "\n";
        else             cout << arr[0] * t << "\n";
    } else {
        int out = 8, curr = 1, inc = 10;
        while (curr < n) {
            curr += inc;
            out = out * 10 + 8;
            inc *= 10;
        }
        cout << out + 1 << "\n";
    }

    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Incorrect 4 ms 512 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -