oj.uz

Submission #581163

# Submission time Handle Problem Language Result Execution time Memory
581163 2022-06-22T10:00:36 Z LucaIlie Type Printer (IOI08_printer) C++17
30 / 100
 75 ms 4516 KB 
#include <bits/stdc++.h>

#define MAX_N 25000
#define MAX_LEN 20

using namespace std;

int lcp[MAX_N], len[MAX_N];
string s[MAX_N];
vector <char> sol;

int main() {
    int n, minLen, first, last, i, j, l;
    bool cresc;

    cin >> n;
    for ( i = 0; i < n; i++ )
        cin >> s[i];

    sort( s, s + n );
    for ( i = 0; i < n; i++ )
        len[i] = s[i].size();

    for ( i = 0; i < n; i++ ) {
        j = (i + 1) % n;
        l = 0;
        while ( l < len[i] && l < len[j] && s[i][l] == s[j][l] )
            l++;
        lcp[i] = l;
    }

    minLen = MAX_LEN + 1;
    last = -1;
    cresc = true;
    for ( i = 0; i < n; i++ ) {
        if ( 2 * lcp[i] - len[i] < minLen ) {
            minLen = 2 * lcp[i] - len[i];
            last = i;
            cresc = true;
        }
        if ( 2 * lcp[(i - 1 + n) % n] - len[i] < minLen ) {
            minLen = 2 * lcp[(i - 1 + n) % n] - len[i];
            last = i;
            cresc = false;
        }
    }

    if ( cresc ) {
        first = (last + 1) % n;
        l = 0;
        for ( int k = 0; k < n; k++ ) {
            i = (first + k) % n;
            j = (i - 1 + n) % n;
            while ( l > lcp[j] ) {
                sol.push_back( '-' );
                l--;
            }
            while ( l < len[i] ) {
                sol.push_back( s[i][l] );
                l++;
            }
            sol.push_back( 'P' );
        }
    } else {
        first = (last - 1 + n) % n;
        l = 0;
        for ( int k = 0; k < n; k++ ) {
            i = (first - k + n) % n;
            j = (i - 1 + n) % n;
            while ( l > lcp[j] ) {
                sol.push_back( '-' );
                l--;
            }
            while ( l < len[i] ) {
                sol.push_back( s[i][l] );
                l++;
            }
            sol.push_back( 'P' );
        }
    }

    cout << sol.size() << "\n";
    for ( char o: sol )
        cout << o << "\n";

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Incorrect 1 ms 980 KB printed invalid word
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 980 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1268 KB Output is correct
2 Incorrect 11 ms 1592 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 1704 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2592 KB Output is correct
2 Incorrect 75 ms 4516 KB printed invalid word
3 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 2156 KB Output isn't correct
2 Halted 0 ms 0 KB -