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Submission #553385

# Submission time Handle Problem Language Result Execution time Memory
553385 2022-04-25T16:37:27 Z RaresFelix JOIRIS (JOI16_joiris) C++17
100 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n, k;
    cin >> n >> k;
    vector<int> V(n + 1), R(k);
    for(int i = 1; i <= n; ++i) cin >> V[i], R[(i - 1) % k] = (R[(i - 1) % k] + V[i]) % k;
    bool ok = true;
    for(int i = 0; i < n % k - 1; ++i)
        ok &= R[i] == R[i + 1];
    for(int i = n % k; i < k - 1; ++i)
        ok &= R[i] == R[i + 1];
    if(!ok) {
        cout << "-1\n";
        return 0;
    }
    vector<int> Sol;
    for(int i = 2; i <= n; ++i)
        while(V[i] < V[i-1]) V[i] += k, Sol.push_back(i);
    int nrlin = 0;
    vector<int> S(n + 2);
    for(int i = k; i < n; ++i) {
        for(int rep = V[i + 1] - V[i]; rep --> 0;)
            for(int j = i; j >= k; j -= k)
                Sol.push_back(-(j - k + 1)), ++S[j - k + 1], --S[j + 1];
        nrlin += V[i + 1] - V[i];
    }
    for(int i = 1; i <= n; ++i)
        S[i] += S[i-1], V[i] += S[i];
    for(int i = 1; i <= k; ++i)
        while(V[i] < V[n]) V[i] += k, Sol.push_back(i);
    int mi = numeric_limits<int>::max() / 4;
    for(int i = 1; i <= n; ++i) {
        mi = min(mi, V[i] -= nrlin);
    }
    for(int i = 1; i <= n; ++i) V[i] -= mi, S[i] = 0;
    for(int rep = 1; rep <= V[1]; ++rep)
        for(int i = n % k + 1; i <= n; i += k)
            Sol.push_back(-i), ++S[i], --S[i + k];
    for(int i = 1; i <= n; ++i) S[i] += S[i-1], V[i] += S[i];
    mi = numeric_limits<int>::max() / 4;
    ok = 1;
    for(int i = 1; i <= n; ++i)
        mi = min(mi, V[i]);
    for(int i = 1; i <= n; ++i) ok &= (V[i] == mi);
    if(!ok) {
        cout << "-1\n";
        return 0;
    }
    cout << Sol.size() << "\n";
    for(auto it : Sol)
        cout << (it > 0 ? "1 " : "2 ") << abs(it) << "\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 312 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 316 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 320 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 328 KB Output is correct
38 Correct 1 ms 212 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 316 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 320 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 324 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 328 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 0 ms 328 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 320 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 328 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 324 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 1 ms 324 KB Output is correct
80 Correct 0 ms 324 KB Output is correct
81 Correct 1 ms 340 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 0 ms 212 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 0 ms 212 KB Output is correct
86 Correct 1 ms 212 KB Output is correct
87 Correct 0 ms 212 KB Output is correct
88 Correct 0 ms 212 KB Output is correct
89 Correct 1 ms 212 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 0 ms 212 KB Output is correct
92 Correct 1 ms 212 KB Output is correct