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Submission #959319

# Submission time Handle Problem Language Result Execution time Memory
959319 2024-04-08T00:41:11 Z gmroh06 JOI15_building3 (JOI15_building3) C++14
100 / 100
 79 ms 14928 KB 
#import <bits/stdc++.h>

using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

inline void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}

ll n, ans = 1, cnt, loc;
vector<ll> arr;

int main() {
    fastio();

    cin >> n;

    arr.resize(n);

    for (ll i = 1; i < n; i++) {
        cin >> arr[i];
    }

    for (ll i = 0, h = 0; i < n; i++) {
        if (arr[i] - h > 2) {
            cout << 0 << '\n';
            return 0;
        } else if (arr[i] - h == 2) {
            if (cnt) {
                cout << 0 << '\n';
                return 0;
            } else {
                cnt = arr[i];
                loc = i;
            }
        }

        h = max(h, arr[i]);
        ans += h;
    }

    if (cnt) {
        for (ll i = 0; i < loc; i++) {
            if (arr[i] + 2 == cnt) {
                ans = loc - i;
                break;
            }
        }
    }

    cout << ans << '\n';

    return 0;
}

Compilation message

building3.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import <bits/stdc++.h>
      |  ^~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 53 ms 12112 KB Output is correct
22 Correct 52 ms 11984 KB Output is correct
23 Correct 52 ms 12108 KB Output is correct
24 Correct 66 ms 14924 KB Output is correct
25 Correct 63 ms 14928 KB Output is correct
26 Correct 69 ms 14796 KB Output is correct
27 Correct 63 ms 14928 KB Output is correct
28 Correct 66 ms 14804 KB Output is correct
29 Correct 39 ms 10060 KB Output is correct
30 Correct 47 ms 11600 KB Output is correct
31 Correct 57 ms 12364 KB Output is correct
32 Correct 55 ms 12368 KB Output is correct
33 Correct 54 ms 12372 KB Output is correct
34 Correct 54 ms 12624 KB Output is correct
35 Correct 79 ms 14928 KB Output is correct