Submission #957559

#	Time	Username	Problem	Language	Result	Execution time	Memory
957559		hirayuu_oj	Type Printer (IOI08_printer)	C++17	30 / 100	35 ms	8620 KiB

printer

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
#define rep2(i,a,b) for(int i=a; i<(b); i++)
#define all(x) x.begin(),x.end()
using ll=long long;
const int INF=INT_MAX>>1;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin>>n;
    vector<string> s(n);
    rep(i,n){
        cin>>s[i];
    }
    sort(all(s));
    rep(i,n){
        s.push_back(s[i]);
    }
    rep(i,n){
        s.push_back(s[i]);
    }
    int mx=-INF;
    int pos=0;
    rep(i,n){
        ll ng=0;
        rep(j,min(s[i].size(),s[i+1].size())){
            if(s[i][j]==s[i+1][j]){
                ng++;
            }
            else{
                break;
            }
        }
        int now=(s[i].size()+s[i+1].size()-ng*2)-s[i+1].size();
        if(mx<now){
            mx=now;
            pos=i+1;
        }
    }
    vector<char> ans;
    for(char i:s[pos]){
        ans.push_back(i);
    }
    ans.push_back('P');
    rep2(i,pos,pos+n-1){
        ll ng=0;
        rep(j,min(s[i].size(),s[i+1].size())){
            if(s[i][j]==s[i+1][j]){
                ng++;
            }
            else{
                break;
            }
        }
        rep(j,s[i].size()-ng){
            ans.push_back('-');
        }
        rep2(j,ng,s[i+1].size()){
            ans.push_back(s[i+1][j]);
        }
        ans.push_back('P');
    }
    cout<<ans.size()<<"\n";
    for(char i:ans){
        cout<<i<<"\n";
    }
}

Compilation message (stderr)

printer.cpp: In function 'int main()':
printer.cpp:3:32: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0; i<(n); i++)
      |                                ^
printer.cpp:29:9: note: in expansion of macro 'rep'
   29 |         rep(j,min(s[i].size(),s[i+1].size())){
      |         ^~~
printer.cpp:3:32: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0; i<(n); i++)
      |                                ^
printer.cpp:50:9: note: in expansion of macro 'rep'
   50 |         rep(j,min(s[i].size(),s[i+1].size())){
      |         ^~~
printer.cpp:3:32: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0; i<(n); i++)
      |                                ^
printer.cpp:58:9: note: in expansion of macro 'rep'
   58 |         rep(j,s[i].size()-ng){
      |         ^~~
printer.cpp:4:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep2(i,a,b) for(int i=a; i<(b); i++)
      |                                   ^
printer.cpp:61:9: note: in expansion of macro 'rep2'
   61 |         rep2(j,ng,s[i+1].size()){
      |         ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 10 / 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