# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
580183 | 2022-06-20T17:10:09 Z | Josia | Boarding Passes (BOI22_passes) | C++14 | 1 ms | 468 KB |
#include <bits/stdc++.h> using namespace std; #define int int64_t signed main() { cin.tie(0); ios_base::sync_with_stdio(0); string s; cin >> s; int n = s.size(); vector<vector<int>> groupsAlph(26); for (int i = 0; i<n; i++) { groupsAlph[s[i]].push_back(i); } vector<vector<int>> groups; for (auto i: groupsAlph) { if (i.size()) groups.push_back(i); } double res = 1e18; do { vector<bool> isset(n); double blubblubres = 0; // with this permutation of groups for (int i = 0; i<groups.size(); i++) { vector<int> pfs = {0}; for (int j = 0; j<n; j++) pfs.push_back(isset[j] + pfs.back()); double blubres = 1e18; // find best offset for this group and current situation for (int j = 0; j<groups[i].size(); j++) { int n1 = j; int n2 = groups[i].size()-j; double tmpres = ((n1-1)*n1 + (n2-1)*n2)/4.0; // current selected offset for (int k = 0; k<n1; k++) { tmpres += pfs[groups[i][k]+1]; } for (int k = n1; k<groups[i].size(); k++) { tmpres += pfs.back() - pfs[groups[i][k]]; } blubres = min(blubres, tmpres); } blubblubres += blubres; for (int j: groups[i]) isset[j] = 1; } res = min(res, blubblubres); } while (next_permutation(groups.begin(), groups.end())); cout << setprecision(100) << res << "\n"; return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Runtime error | 1 ms | 468 KB | Execution killed with signal 6 |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 0 ms | 268 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 0 ms | 268 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Runtime error | 1 ms | 468 KB | Execution killed with signal 6 |
2 | Halted | 0 ms | 0 KB | - |