oj.uz

Submission #520325

# Submission time Handle Problem Language Result Execution time Memory
520325 2022-01-29T13:06:55 Z MurotY Miners (IOI07_miners) C++14
0 / 100
 1500 ms 11824 KB 
#include <bits/stdc++.h>
#define ll long long
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ff first
#define ss second
using namespace std;
const int N=1e6+7, M=1e9+7;
map <ll,ll> mp;	
int n;
string s;
ll ans=0;
void dfs(ll x, string a){
	mp[x]++;
	string b;
	for (int i=0;i<n;i++) if (mp[i] == 0) b=b+s[i];
	
	map <char,ll> mp1;
	ll res=0;
	//cout << a << "\n";
	for (int i=0;i<a.size();i++){
		if (i-1 >= 0) mp1[a[i-1]]=1;
		if (i-2 >= 0) mp1[a[i-2]]=1;
		mp1[a[i]]=1;
		res+=mp1['B']+mp1['F']+mp1['M'];
	}
	mp1.clear();
	for (int i=0;i<b.size();i++){
		if (i-1 >= 0) mp1[b[i-1]]=1;
		if (i-2 >= 0) mp1[b[i-2]]=1;
		mp1[b[i]]=1;
		res+=mp1['B']+mp1['F']+mp1['M'];
	}
	ans=max(ans, res);
	for (int i=0;i<n;i++){
		if (i > x) dfs(i, a+s[i]);
	}
	mp[x]--;
	return ;
}
int main()
{
	cin >> n >> s;
	string q;
	q=q+s[0];
	dfs(0, q);
	cout << ans;
}

Compilation message

miners.cpp: In function 'void dfs(long long int, std::string)':
miners.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i=0;i<a.size();i++){
      |               ~^~~~~~~~~
miners.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for (int i=0;i<b.size();i++){
      |               ~^~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 61 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 270 ms 276 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 560 ms 272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1584 ms 256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1588 ms 2844 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1585 ms 11824 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1584 ms 7864 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1598 ms 5532 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1585 ms 7768 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #12
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1573 ms 9784 KB Time limit exceeded
2 Halted 0 ms 0 KB -