Submission #1014935

#	Time	Username	Problem	Language	Result	Execution time	Memory
1014935		Rifal	Type Printer (IOI08_printer)	C++14	20 / 100	26 ms	41820 KiB

printer

#include <bits/stdc++.h>
#include <fstream>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define pb push_back
#define mod 1000000007
#define INF 1000000000
#define INF2 2000000000
#define fi first
#define se second
using namespace std;
double const EPS = 1e-14;
const int P = 1007;
typedef long long ll;
using namespace __gnu_pbds;
typedef long long ll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // find_by_order, order_of_key
const int N = 100000;
pair<int,int> tr[N][26];
int cnt = 1, sum = 0, indx = 0;
string ss, ans;
void sol(string s) {
    int now = 0;
    for(int i = 0; i < s.size(); i++) {
        if(tr[now][s[i]-'a'].fi == 0) {
            tr[now][s[i]-'a'].fi = cnt;
            cnt++;
            if(i+1 == s.size()) tr[now][s[i]-'a'].se = 1;
        }
        now = tr[now][s[i]-'a'].fi;
    }
}
void dfs(int cur, int len) {
    for(int i = 0; i < 26; i++) {
        if(indx == len && i == ss[len]-'a') continue;
        if(tr[cur][i].fi != 0) {
            char c = 'a'; c += i;
            ans.push_back(c);
            if(tr[cur][i].se == 1) ans.push_back('P');
            dfs(tr[cur][i].fi,len+1);
            ans.push_back('-');
        }
    }
    if(len != indx) return;
  //  cout << len << ' ' << ss[len] << endl;
    ans.push_back(ss[len]);
    if(tr[cur][ss[len]-'a'].se == 1) {
        ans.push_back('P'); return;
    }
    indx++; dfs(tr[cur][ss[len]-'a'].fi,len+1);
}
int main()
{
    ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
    int n; cin >> n; 
    for(int i = 0; i < n; i++) {
        string s; cin >> s;
        sol(s);
        if(s.size() > ss.size()) ss = s;
    }
    dfs(0,0);
    cout << ans.size() << endl;
    for(int i = 0; i < ans.size(); i++) cout << ans[i] << endl;
    return 0;
}

Compilation message (stderr)

printer.cpp: In function 'void sol(std::string)':
printer.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~
printer.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |             if(i+1 == s.size()) tr[now][s[i]-'a'].se = 1;
      |                ~~~~^~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for(int i = 0; i < ans.size(); i++) cout << ans[i] << endl;
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10