oj.uz

Submission #782798

# Submission time Handle Problem Language Result Execution time Memory
782798 2023-07-14T09:36:58 Z canadavid1 Type Printer (IOI08_printer) C++14
20 / 100
 1000 ms 2536 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x),end(x)
using i32 = int32_t;
using i64 = int64_t;

int common_substring(string a,string b)
{
    if(a.size() < b.size()) swap(a,b);
    for(int i = b.size()-1;i >= 0; i--)
    {
        if(a.substr(0,i)==b.substr(0,i)) return i;
    }
    return 0;
}



int main()
{
    cin.tie(nullptr)->sync_with_stdio(false);
    i32 N;
    cin >> N;
    vector<string> words(N);
    for(int i = 0; i < N; i++)
    {
        cin >> words[i];
    }
    sort(all(words));
    string min_ops = "";
    do 
    {
        string curr = "";
        string ops = "";
        for(auto i : words)
        {
            i32 l = common_substring(curr,i);
            while(curr.size()>l)
            {
                curr.pop_back();
                ops.push_back('-');
            }
            curr += i.substr(l);
            ops += i.substr(l);
            ops.push_back('P');
        }
        if(min_ops.size()==0||ops.size() < min_ops.size()) min_ops = ops;
    } while(next_permutation(all(words)));
    cout << min_ops.size() << "\n";
    for(auto i : min_ops) cout << i << "\n";

}

Compilation message

printer.cpp: In function 'int main()':
printer.cpp:38:30: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'i32' {aka 'int'} [-Wsign-compare]
   38 |             while(curr.size()>l)
      |                   ~~~~~~~~~~~^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 300 KB Output is correct
2 Correct 628 ms 296 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1076 ms 212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1078 ms 212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 316 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1073 ms 340 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1059 ms 596 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1046 ms 1320 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1058 ms 2536 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1052 ms 2504 KB Time limit exceeded
2 Halted 0 ms 0 KB -