# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
319165 |
2020-11-04T11:00:47 Z |
Temmie |
Miners (IOI07_miners) |
C++17 |
|
960 ms |
100708 KB |
#include <bits/stdc++.h>
int main() {
std::ios::sync_with_stdio(0); std::cin.tie(0);
//std::vector <std::vector <std::vector <std::vector <std::vector <int>>>>> dp(
//1e5 + 3, std::vector <std::vector <std::vector <std::vector <int>>>> (4,
//std::vector <std::vector <std::vector <int>>> (4,
//std::vector <std::vector <int>> (4,
//std::vector <int> (4, 0)))));
//dp.front().front().front().front().front() = 1;
int dp[(int)1e5 + 3][4][4][4][4];
for (int i = 0; i < 1e5 + 3; i++) for (int j = 0; j < 4; j++)
for (int k = 0; k < 4; k++) for (int l = 0; l < 4; l++)
for (int o = 0; o < 4; o++) dp[i][j][k][l][o] = 0;
dp[0][0][0][0][0] = 1;
int n; std::cin >> n;
for (int i = 0; i < n; i++) {
char c; std::cin >> c;
int now = (c == 'M') + 2 * (c == 'B') + 3 * (c == 'F');
for (int j = 0; j < 4; j++) for (int k = 0; k < 4; k++)
for (int l = 0; l < 4; l++) for (int o = 0; o < 4; o++) {
if (!dp[i][j][k][l][o]) continue;
std::set <int> st1, st2;
st1.insert(j); st1.insert(k); st1.insert(now);
st2.insert(l); st2.insert(o); st2.insert(now);
st1.erase(0); st2.erase(0);
dp[i + 1][k][now][l][o] = std::max(dp[i + 1][k][now][l][o], dp[i][j][k][l][o] + (int)st1.size());
dp[i + 1][j][k][o][now] = std::max(dp[i + 1][j][k][o][now], dp[i][j][k][l][o] + (int)st2.size());
}
}
int ans = 0;
for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++)
for (int k = 0; k < 4; k++) for (int l = 0; l < 4; l++)
ans = std::max(ans, dp[n][i][j][k][l] - 1);
std::cout << ans << "\n";
//std::cout.flush(); std::cin >> n;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
100452 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
64 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
67 ms |
100468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
66 ms |
100540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
75 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
88 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
155 ms |
100620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
278 ms |
100708 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
453 ms |
100580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
960 ms |
100696 KB |
Output is correct |