# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
71495 | 2018-08-24T23:12:48 Z | RezwanArefin01 | Miners (IOI07_miners) | C++17 | 95 ms | 1100 KB |
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; const int N = 1e5 + 10; int n; char s[N]; int dp[2][13][13], mp[30]; int m[13] = {00, 01, 02, 03, 11, 12, 13, 21, 22, 23, 31, 32, 33}, rev[100]; int cost[13][4]; int get(int mask, int c) { set<int> st; while(mask) { int x = mask % 10; if(x) st.insert(x); mask /= 10; } st.insert(c); return st.size(); } int main(int argc, char const *argv[]) { mp['M' - 'A'] = 1; mp['B' - 'A'] = 2; mp['F' - 'A'] = 3; for(int i = 0; i < 13; i++) { rev[m[i]] = i; for(int j = 1; j <= 3; j++) { cost[i][j] = get(m[i], j); } } scanf("%d", &n); scanf(" %s", s + 1); for(int i = n; i >= 1; --i) { int now = i & 1, nxt = now ^ 1; int c = mp[s[i] - 'A']; for(int m1 = 0; m1 < 13; ++m1) { for(int m2 = 0; m2 < 13; ++m2) { int mask1 = m[m1]; int mask2 = m[m2]; int nmask1 = (mask1 % 10) * 10 + c; int nmask2 = (mask2 % 10) * 10 + c; int opt1 = dp[nxt][rev[nmask1]][m2] + cost[m1][c]; int opt2 = dp[nxt][m1][rev[nmask2]] + cost[m2][c]; dp[now][m1][m2] = max(opt1, opt2); } } } printf("%d\n", dp[1][0][0]); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 344 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 472 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 472 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 472 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 472 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 520 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 632 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 636 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 15 ms | 772 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 24 ms | 772 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 68 ms | 964 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 95 ms | 1100 KB | Output is correct |