Submission #122183

#	Time	Username	Problem	Language	Result	Execution time	Memory
122183		thebes	Type Printer (IOI08_printer)	C++14	10 / 100	49 ms	2676 KiB

printer

#include <bits/stdc++.h>
using namespace std;

string s, arr[25005], lol;
int n, i, j, x, ord[26], nxt=25; vector<char> mv;
bool cmp(string i,string j){
    for(int ii=0;ii<min(i.size(),j.size());ii++){
        if(i[ii]!=j[ii]) return ord[i[ii]-'a']<ord[j[ii]-'a'];
    }
    return i.size()<j.size();
}

int main(){
    for(scanf("%d",&n),i=1;i<=n;i++){
        cin >> arr[i];
        if(arr[i].size()>lol.size())
            lol = arr[i];
    }
    for(auto v : lol){
        if(ord[v-'a']) continue;
        ord[v-'a']=nxt--;
    }
    for(i=25;i>=0;i--){
        if(ord[i]) continue;
        ord[i]=nxt--;
    }
    sort(arr+1,arr+n+1,cmp);
    for(i=1;i<=n;i++){
        for(j=0;j<min(s.size(),arr[i].size());j++){
            if(s[j]!=arr[i][j]) break;
        }
        while(s.size()>j){
            mv.push_back('-');
            s.pop_back();
        }
        while(s.size()<arr[i].size()){
            s.push_back(arr[i][s.size()]);
            mv.push_back(arr[i][s.size()-1]);
        }
        mv.push_back('P');
    }
    printf("%d\n",mv.size());
    for(auto v : mv) printf("%c\n",v);
    return 0;
}

Compilation message (stderr)

printer.cpp: In function 'bool cmp(std::__cxx11::string, std::__cxx11::string)':
printer.cpp:7:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int ii=0;ii<min(i.size(),j.size());ii++){
                  ~~^~~~~~~~~~~~~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<min(s.size(),arr[i].size());j++){
                 ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
printer.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(s.size()>j){
               ~~~~~~~~^~
printer.cpp:42:28: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<char>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n",mv.size());
                   ~~~~~~~~~^
printer.cpp:14:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(scanf("%d",&n),i=1;i<=n;i++){
         ~~~~~~~~~~~~~~^~~~

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