#include <bits/stdc++.h>
using namespace std;
#define scd(t) scanf("%d", &t)
#define scld(t) scanf("%ld", &t)
#define sclld(t) scanf("%lld", &t)
#define scc(t) scanf("%c", &t)
#define scs(t) scanf("%s", t)
#define scf(t) scanf("%f", &t)
#define sclf(t) scanf("%lf", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long int li;
typedef unsigned long int uli;
typedef long long int lli;
typedef unsigned long long int ulli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;
int main()
{
int n, k;
cin >> n >> k;
string str;
cin >> str;
vector<vvi> dp(n, vvi(n, vi(k + 1)));
frange(i, n)
{
if (str[i] == 'C')
{
dp[i][i][1] = 1;
}
// dp[i][i][0] = 1;
}
forr(i, 1, n)
{
for (int l = 0; l + i < n; l++)
{
int r = l + i;
dp[l][r][0] = 1;
forr(j, 1, k + 1)
{
if (!dp[l + 1][r][j] && !dp[l][r - 1][j])
{
dp[l][r][j] = 1;
}
else if (!dp[l + 1][r][j])
{
if (str[r] == 'C')
{
if (!dp[l][r - 1][j - 1])
{
dp[l][r][j] = 1;
}
}
}
else if (!dp[l][r - 1][j])
{
if (str[l] == 'C')
{
if (!dp[l + 1][r][j - 1])
{
dp[l][r][j] = 1;
}
}
}
else
{
if (str[r] == 'C' && str[l] == 'C')
{
if (!dp[l + 1][r][j - 1] && !dp[l][r - 1][j - 1])
{
dp[l][r][j] = 1;
}
}
}
}
}
}
if (dp[0][n - 1][k])
{
printf("NE");
}
else
{
printf("DA");
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
308 KB |
Output is correct |
5 |
Incorrect |
0 ms |
304 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
308 KB |
Output is correct |
5 |
Incorrect |
0 ms |
304 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
308 KB |
Output is correct |
5 |
Incorrect |
0 ms |
304 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |