oj.uz

Submission #831475

# Submission time Handle Problem Language Result Execution time Memory
831475 2023-08-20T09:35:25 Z OrazB Miners (IOI07_miners) C++14
45 / 100
 1500 ms 24668 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pii pair <int, int>
#define pb push_back
#define ff first
#define ss second

const int N = 1e5+5;

int n;
string s;
int nw[26], c[N], A[3], mx = 0, vis[N];
pair<int,pii> dp[N][5];

int T(char c){
	if (c == 'M') return 0;
	if (c == 'B') return 1;
	return 2;
}

int F(string str){
	int ans = 0;
	for (int i = 0; i < str.size(); i++){
		for (int j = i; j > max(i-3, -1); j--){
			A[T(str[j])] = 1;	
		}
		ans += A[0]+A[1]+A[2];
		A[0] = A[1] = A[2] = 0;
	}
	return ans;
}

void bit(int x){
	if (x == n){
		string a = "", b = "";
		for (int i = 0; i < n; i++){
			if (c[i]) a += s[i];
			else b += s[i];
		}
		mx = max(mx, F(a)+F(b));
		return;
	}
	for (int i = 0; i < 2; i++){
		c[x] = i;
		bit(x+1);
	}
}

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> s;
	bit(0);
	cout << mx;
}

Compilation message

miners.cpp: In function 'int F(std::string)':
miners.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  for (int i = 0; i < str.size(); i++){
      |                  ~~^~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 336 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 340 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 212 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 213 ms 320 KB Output is correct

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1585 ms 324 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 1568 ms 468 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 1571 ms 1492 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 1561 ms 2772 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 1568 ms 6356 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 1580 ms 18804 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 1577 ms 24668 KB Time limit exceeded
2 Halted 0 ms 0 KB -