oj.uz

Submission #627047

# Submission time Handle Problem Language Result Execution time Memory
627047 2022-08-12T05:48:39 Z AA_Surely Watermelon (INOI20_watermelon) C++14
31 / 100
 25 ms 3652 KB 
#include <bits/stdc++.h>

#define FOR(i, x, n) for(int i = x; i < n; i++)
#define F0R(i, n) FOR(i, 0, n)
#define ROF(i, x, n) for(int i = n - 1; i >= x; i--)
#define R0F(i, n) ROF(i, 0, n)

#define WTF cout << "WTF" << endl

#define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define F first
#define S second
#define PB push_back

#define ALL(x) x.begin(), x.end()
#define RALL(x) x.rbegin(), x.rend()

using namespace std;

typedef long long LL;

typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;

typedef vector<int> VI;
typedef vector<LL> VLL;
typedef vector<PII> VPII;
typedef vector<PLL> VPLL;

const int N = 1e5 + 7;
const int LOG = 22;
const int INF = 1e9 + 7;

int n, k;
int ns[N], ans[N], adj[N];
int lst[N], pl[N], big[N];
PII st[N];

int change() {
    int bc = 0, oc = 0;
    F0R(i, n) {
        if (ns[i] == n + 1) bc++;
        if (ns[i] == 1) oc++;
    }

    if (!oc || (oc == 1 && bc == 1)) return cout << -1, 0;

    if (bc > 1) {
        int pl = -1;
        F0R(i, n) if (ns[i] == 1) pl = i;
        while(adj[pl] != -1) pl = adj[pl];
        swap(ans[pl], ans[n - 1]);
    }

    else {
        int pl1 = -1;
        F0R(i, n) if (ns[i] == 1) pl1 = i;
        while(adj[pl1] != -1) pl1 = adj[pl1];

        int pl2 = -1;
        F0R(i, pl1) if (ns[i] == 1) pl2 = i;
        while(adj[pl2] != -1) pl2 = adj[pl2];

        swap(ans[pl1], ans[pl2]);
    }

    F0R(i, n) cout << ans[i] << ' ';
    return 0;
}

int main() {
    IOS;

    cin >> n >> k;
    F0R(i, n) cin >> ns[i];

    if (ns[n - 1] != -1) return cout << -1, 0;
    F0R(i, n) if (ns[i] == -1) ns[i] = n + 1;
    
    fill(pl, pl + n + 2, n + 1);
    fill(adj, adj + n, -1);
    R0F(i, n) {
        pl[ ns[i] ] = i;
        if (ns[i] == n + 1) continue;

        if (ns[i] == 1) lst[i] = i;
        else {
            lst[i] = pl[ ns[i] - 1 ];
            adj[ pl[ ns[i] - 1 ] ] = i;
        }
    }

    stack<int> keep;
    R0F(i, n) {
        while(!keep.empty() && ns[keep.top()] < ns[i]) keep.pop();
        big[i] = n + 1;
        if (!keep.empty()) big[i] = keep.top();

        keep.push(i);
    }

    F0R(i, n) if (ns[i] != 1 && ns[i] != n + 1)
        if (lst[i] > big[i]) return cout << -1, 0;
    
    int v = 1;
    F0R(i, n) if (ns[i] == 1) {
        int now = i;
        while(now != -1) {
            ans[now] = v++;
            now = adj[now];
        }
    }
    R0F(i, n) if (ns[i] == n + 1) ans[i] = v++;

    if (k == 2) change();
    else F0R(i, n) cout << ans[i] << ' ';
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 464 KB Output is correct
14 Incorrect 1 ms 340 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 464 KB Output is correct
14 Incorrect 1 ms 340 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1876 KB Output is correct
2 Correct 5 ms 1524 KB Output is correct
3 Correct 8 ms 1808 KB Output is correct
4 Correct 6 ms 1560 KB Output is correct
5 Correct 8 ms 1876 KB Output is correct
6 Correct 10 ms 1824 KB Output is correct
7 Correct 8 ms 1884 KB Output is correct
8 Correct 10 ms 1852 KB Output is correct
9 Correct 14 ms 1828 KB Output is correct
10 Correct 8 ms 1876 KB Output is correct
11 Correct 20 ms 3336 KB Output is correct
12 Correct 20 ms 3408 KB Output is correct
13 Correct 25 ms 3408 KB Output is correct
14 Correct 17 ms 3396 KB Output is correct
15 Correct 11 ms 2456 KB Output is correct
16 Correct 11 ms 2428 KB Output is correct
17 Correct 12 ms 2516 KB Output is correct
18 Correct 11 ms 2492 KB Output is correct
19 Correct 12 ms 2508 KB Output is correct
20 Correct 11 ms 2436 KB Output is correct
21 Correct 11 ms 2516 KB Output is correct
22 Correct 11 ms 2480 KB Output is correct
23 Correct 11 ms 2528 KB Output is correct
24 Correct 18 ms 3404 KB Output is correct
25 Correct 24 ms 3464 KB Output is correct
26 Correct 17 ms 3404 KB Output is correct
27 Correct 17 ms 3488 KB Output is correct
28 Correct 16 ms 3404 KB Output is correct
29 Correct 17 ms 3508 KB Output is correct
30 Correct 5 ms 1236 KB Output is correct
31 Correct 8 ms 1900 KB Output is correct
32 Correct 15 ms 3156 KB Output is correct
33 Correct 17 ms 3404 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 4 ms 980 KB Output is correct
36 Correct 8 ms 2004 KB Output is correct
37 Correct 15 ms 3532 KB Output is correct
38 Correct 16 ms 3432 KB Output is correct
39 Correct 16 ms 3404 KB Output is correct
40 Correct 16 ms 3652 KB Output is correct
41 Correct 19 ms 3408 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1876 KB Output is correct
2 Correct 5 ms 1524 KB Output is correct
3 Correct 8 ms 1808 KB Output is correct
4 Correct 6 ms 1560 KB Output is correct
5 Correct 8 ms 1876 KB Output is correct
6 Correct 10 ms 1824 KB Output is correct
7 Correct 8 ms 1884 KB Output is correct
8 Correct 10 ms 1852 KB Output is correct
9 Correct 14 ms 1828 KB Output is correct
10 Correct 8 ms 1876 KB Output is correct
11 Correct 20 ms 3336 KB Output is correct
12 Correct 20 ms 3408 KB Output is correct
13 Correct 25 ms 3408 KB Output is correct
14 Correct 17 ms 3396 KB Output is correct
15 Correct 11 ms 2456 KB Output is correct
16 Correct 11 ms 2428 KB Output is correct
17 Correct 12 ms 2516 KB Output is correct
18 Correct 11 ms 2492 KB Output is correct
19 Correct 12 ms 2508 KB Output is correct
20 Correct 11 ms 2436 KB Output is correct
21 Correct 11 ms 2516 KB Output is correct
22 Correct 11 ms 2480 KB Output is correct
23 Correct 11 ms 2528 KB Output is correct
24 Correct 18 ms 3404 KB Output is correct
25 Correct 24 ms 3464 KB Output is correct
26 Correct 17 ms 3404 KB Output is correct
27 Correct 17 ms 3488 KB Output is correct
28 Correct 16 ms 3404 KB Output is correct
29 Correct 17 ms 3508 KB Output is correct
30 Correct 5 ms 1236 KB Output is correct
31 Correct 8 ms 1900 KB Output is correct
32 Correct 15 ms 3156 KB Output is correct
33 Correct 17 ms 3404 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 4 ms 980 KB Output is correct
36 Correct 8 ms 2004 KB Output is correct
37 Correct 15 ms 3532 KB Output is correct
38 Correct 16 ms 3432 KB Output is correct
39 Correct 16 ms 3404 KB Output is correct
40 Correct 16 ms 3652 KB Output is correct
41 Correct 19 ms 3408 KB Output is correct
42 Incorrect 8 ms 1884 KB Output isn't correct
43 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 464 KB Output is correct
14 Incorrect 1 ms 340 KB Output isn't correct
15 Halted 0 ms 0 KB -