oj.uz

Submission #244775

# Submission time Handle Problem Language Result Execution time Memory
244775 2020-07-05T00:22:11 Z thecodingwizard Naan (JOI19_naan) C++11
29 / 100
 1927 ms 43144 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long

// returns true if fraction a < fraction b
bool better(pair<ll, ll> a, pair<ll, ll> b) {
    return a.first*b.second<a.second*b.first;
}

pair<ll,ll> reduce(pair<ll, ll>a) {
    ll g = __gcd(a.first, a.second);
    return make_pair(a.first/g,a.second/g);
}

int main() {
    int n, l; cin >> n >> l;
    ll V[n][l];
    ll sum[n];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < l; j++) cin >> V[i][j];
        sum[i] = 0; for (int j = 0; j < l; j++) sum[i] += V[i][j];
    }
    pair<ll, ll> split[n][n];
    for (int i = 0; i < n; i++) {
        for (int j = 1; j < n; j++) {
            ll want = sum[i]*j;
            int cur = 0;
            while (cur < l && V[i][cur]*n <= want) {
                want -= V[i][cur]*n;
                cur++;
            }
            split[i][j] = reduce(make_pair((ll)cur*V[i][cur]*n+want, V[i][cur]*n));
            //cout << "split[" << i << "][" << j << "] = " << split[i][j].first << "/" << split[i][j].second << endl;
        }
    }
    bool taken[n]; for (int i = 0; i < n; i++) taken[i] = false;
    vector<int> permutation;
    for (int i = 1; i < n; i++) {
        int best = -1;
        for (int j = 0; j < n; j++) {
            if (taken[j]) continue;
            if (best == -1) {
                best = j;
            } else {
                if (better(split[j][i], split[best][i])) best = j;
            }
        }
        taken[best] = true;
        cout << split[best][i].first << " " << split[best][i].second << endl;
        permutation.push_back(best+1);
    }
    for (int j = 0; j < n; j++) if (!taken[j]) permutation.push_back(j+1);
    for (int x : permutation) cout << x << " ";
    cout << endl;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 7 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 7 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 7 ms 384 KB Output is correct
22 Correct 7 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 8 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 6 ms 384 KB Output is correct

Subtask #3
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 6 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 6 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 7 ms 384 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 7 ms 384 KB Output is correct
35 Correct 6 ms 384 KB Output is correct
36 Correct 7 ms 384 KB Output is correct
37 Correct 7 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 8 ms 384 KB Output is correct
40 Correct 6 ms 384 KB Output is correct
41 Correct 6 ms 384 KB Output is correct
42 Correct 6 ms 384 KB Output is correct
43 Correct 217 ms 7288 KB Output is correct
44 Incorrect 1927 ms 43144 KB X_i is not increasing
45 Halted 0 ms 0 KB -