oj.uz

Submission #855085

# Submission time Handle Problem Language Result Execution time Memory
855085 2023-09-30T06:35:51 Z vjudge1 Type Printer (IOI08_printer) C++14
90 / 100
 1000 ms 55228 KB 
#include<bits/stdc++.h>
#define _for(i,a,b) for(int i=a;i<=b;i++)
using namespace std;
const int N=5e5+5,M=30;
int A[N][M],num=0,maxn=0;
bool B[N];
string maxs;
void jr(string &s)
{
	int l=s.size(),now=0;
	_for(i,0,l-1)
	{
		char x=s[i];
		if(!A[now][x-'a'])A[now][x-'a']=++num;
		now=A[now][x-'a'];
	}
	B[now]=1;
}
void ss(int now,string &ans,int d,bool pd)
{
	if(B[now])ans+='P';
	char x=maxs[d];
	_for(i,0,25)
	{
		if(pd&&i+'a'==x)continue;
		if(A[now][i])
		{
			ans+=(char)(i+'a');
			ss(A[now][i],ans,d+1,0);
			ans+='-';
		}
	}
	if(pd&&A[now][x-'a'])
	{
		ans+=x;
		ss(A[now][x-'a'],ans,d+1,1);
		ans+='-';
	}
}
int main()
{
	ios::sync_with_stdio(false),cin.tie(0);
	int n;
	cin>>n;
	_for(i,1,n)
	{
		string x;
		cin>>x;
		if(x.size()>maxn)maxn=x.size(),maxs=x;
		jr(x);
	}
	string ans="";
	ss(0,ans,0,1);
	int r=ans.size()-1;
	while(ans[r]=='-')r--;
	cout<<r+1<<endl;
	_for(i,0,r)cout<<ans[i]<<endl;
	return 0;
}

Compilation message

printer.cpp: In function 'int main()':
printer.cpp:49:14: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |   if(x.size()>maxn)maxn=x.size(),maxs=x;
      |      ~~~~~~~~^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 9 ms 860 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 1116 KB Output is correct
2 Correct 27 ms 1372 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 3416 KB Output is correct
2 Correct 124 ms 7252 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 8476 KB Output is correct
2 Correct 42 ms 2116 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 20372 KB Output is correct
2 Correct 849 ms 46564 KB Output is correct
3 Correct 470 ms 23900 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 306 ms 15996 KB Output is correct
2 Execution timed out 1052 ms 55228 KB Time limit exceeded
3 Halted 0 ms 0 KB -