Submission #115192

#	Time	Username	Problem	Language	Result	Execution time	Memory
115192		CaroLinda	Type Printer (IOI08_printer)	C++14	40 / 100	5 ms	896 KiB

printer

#include <bits/stdc++.h>

#define pii pair<int,int>
#define lp(i,a,b) for(int i=a;i<b;i++)
#define ll long long
#define ff first
#define ss second
#define pb push_back

const int MAXN = 25005;
const int ALF= 30;

using namespace std ;

int n ;
int trie[MAXN*20][ALF] , cnt ;
int separa  = 1 ;
vector<char> ans ;
bool marc[MAXN*20] ;

void add( char str[] )
{
	
	int t = strlen(str) ;
	
	int cur = 0 ;
	
	lp(i,0,t)
	{
		
		int k = str[i] - 'a' ;
		
		if(trie[cur][k] == 0) trie[cur][k] = ++cnt ;
		
		cur = trie[cur][k] ;
		
	}
	marc[cur] =true;
}

void dfs(int x)
{
	
	if(marc[x]) ans.pb('P') ;
	
	vector<pair<int,char> > v ;
	
	lp(i,0,26)
	if(trie[x][i] != 0)  v.pb( pii(trie[x][i] , i+'a') ) ;
	
	sort( v.begin() , v.end()) ;
	
	if(v.size() == 0) return ;
	
	for(int i= v.size()-1 ; i > 0 ; i--)
	{
		ans.pb(v[i].ss) ;
		dfs(v[i].ff) ;
		ans.pb('-') ;
	}
	
	ans.pb(v[0].ss) ;
	dfs(v[0].ff) ;
	ans.pb('-') ;
}

int main()
{
	
	scanf("%d", &n) ;
	
	char v[25][MAXN] ;
	
	scanf(" %s", v[0]) ;
	
	lp(i,1,n) 
	{
		scanf(" %s",v[i]);
		if( strlen(v[i]) > strlen(v[0]) ) swap(v[i], v[0]) ;
	}
	
	lp(i,0,n) add(v[i]) ;

	printf("%d\n" , cnt*2 - strlen(v[0]) + n ) ;

	dfs(0) ;
	
	lp(i,0,ans.size() - strlen(v[0])) printf("%c\n" , ans[i] ) ;
	
}

Compilation message (stderr)

printer.cpp: In function 'int main()':
printer.cpp:84:43: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t {aka long unsigned int}' [-Wformat=]
  printf("%d\n" , cnt*2 - strlen(v[0]) + n ) ;
                  ~~~~~~~~~~~~~~~~~~~~~~~~ ^
printer.cpp:4:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define lp(i,a,b) for(int i=a;i<b;i++)
printer.cpp:88:5:
  lp(i,0,ans.size() - strlen(v[0])) printf("%c\n" , ans[i] ) ;
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
printer.cpp:88:2: note: in expansion of macro 'lp'
  lp(i,0,ans.size() - strlen(v[0])) printf("%c\n" , ans[i] ) ;
  ^~
printer.cpp:70:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n) ;
  ~~~~~^~~~~~~~~~
printer.cpp:74:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %s", v[0]) ;
  ~~~~~^~~~~~~~~~~~~
printer.cpp:78:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %s",v[i]);
   ~~~~~^~~~~~~~~~~~

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