Submission #674025

#	Time	Username	Problem	Language	Result	Execution time	Memory
674025		peacebringer1667	Type Printer (IOI08_printer)	C++17	40 / 100	1099 ms	16724 KiB

printer

#include<bits/stdc++.h>
#define whilst while
typedef long long ll;
using namespace std;
string a[25003];
int f[650078][27];
int b[25003];
int m = 0;bool eow[650078];
vector <vector<int>> vec(650078);
void dfs(int u){
	cout << (char)f[u][0] << endl;
		if (eow[u]) cout << "P" << endl; 
	for (int i = 0 ; i < vec[u].size() ; i++)
	  dfs(vec[u][i]); 
	if (u == m) m = -1;
	if (m != -1) cout << "-" << endl; 
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
    int d1 = 0,n,cur,j,maxlen = 0,index = n;string x;
    cin >> n;
    for (int i = 1 ; i <= n ; i++){
    	cin >> a[i];
    	if (maxlen < a[i].size()){
    		maxlen = a[i].size();index = i;
		}
	}
	swap(a[index],a[n]);
	for (int i = 1 ; i < n ; i++) 
	  if (a[i][0] == a[n][0]){
		d1++;b[d1] = i;
	}int d2 = d1;d1 = 1;
	for (int i = n-1 ; i >= n-d2 ; i--)
	  if (a[i][0] != a[n][0]){
	  	  swap(a[i],a[b[d1]]);
	  	  d1++;
	  }
	for (int i = 1 ; i <= n; i++){
    	cur = 0,j = 0;
        while (j < a[i].size() && f[cur][a[i][j]-96]){
        	cur = f[cur][a[i][j]-96];j++;
		}
		if (j == a[i].size()){
			j = 0;
			while (j < a[i].size()-1)
			  cur = f[cur][a[i][j]-96];j++;
			eow[cur] = 1;  
		}
		for (int k = j ; k < a[i].size() ; k++){
			m++;f[cur][a[i][k]-96] = m;f[m][0] = a[i][k];vec[cur].push_back(m);
			cur = m;
		}
		eow[m] = 1;
	}
		cout << 2*m - a[n].size() + n<< endl;
	for (int i = 0 ; i < vec[0].size() ; i++) dfs(vec[0][i]);
	return 0;
}

Compilation message (stderr)

printer.cpp: In function 'void dfs(int)':
printer.cpp:13:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for (int i = 0 ; i < vec[u].size() ; i++)
      |                   ~~^~~~~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |      if (maxlen < a[i].size()){
      |          ~~~~~~~^~~~~~~~~~~~~
printer.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         while (j < a[i].size() && f[cur][a[i][j]-96]){
      |                ~~^~~~~~~~~~~~~
printer.cpp:44:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   if (j == a[i].size()){
      |       ~~^~~~~~~~~~~~~~
printer.cpp:46:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |    while (j < a[i].size()-1)
      |           ~~^~~~~~~~~~~~~~~
printer.cpp:46:4: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   46 |    while (j < a[i].size()-1)
      |    ^~~~~
printer.cpp:47:31: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   47 |      cur = f[cur][a[i][j]-96];j++;
      |                               ^
printer.cpp:50:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |   for (int k = j ; k < a[i].size() ; k++){
      |                    ~~^~~~~~~~~~~~~
printer.cpp:57:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |  for (int i = 0 ; i < vec[0].size() ; i++) dfs(vec[0][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