# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
654598 | 2022-10-31T20:50:45 Z | Lobo | Boarding Passes (BOI22_passes) | C++17 | 2 ms | 980 KB |
#include<bits/stdc++.h> using namespace std; const long long inf = (long long) 1e18 + 10; const int inf1 = (int) 1e9 + 10; #define int long long #define dbl long double #define endl '\n' #define sc second #define fr first #define mp make_pair #define pb push_back #define all(x) x.begin(), x.end() const int maxn = 1e4+10; const int maxg = 11; int n, a[maxn]; dbl pf[(1<<maxg)][maxn], dp[(1<<maxg)]; vector<int> pos[maxg]; void solve() { string s; cin >> s; n = s.size(); vector<char> cc; for(auto x : s) cc.pb(x); sort(all(cc)); cc.erase(unique(all(cc)),cc.end()); for(int i = 1; i <= n; i++) { a[i] = lower_bound(all(cc),s[i-1])-cc.begin(); pos[a[i]].pb(i); } int g = cc.size(); for(int mask = 1; mask < (1<<g); mask++) { pf[mask][0] = 0; for(int i = 1; i <= n; i++) { pf[mask][i] = pf[mask][i-1]; if((1<<a[i])&mask) pf[mask][i]++; } dp[mask] = inf; for(int i = 0; i < g; i++) { if(((1<<i)&mask) == 0) continue; int mask1 = mask-(1<<i); dbl ans1 = dp[mask1]; for(int j = 1; j <= pos[i].size(); j++) { int x = pos[i][j-1]; ans1+= min(pf[mask1][x]+((dbl) j-1)/2, pf[mask1][n]-pf[mask1][x]+((dbl) pos[i].size()-j)/2); // cout << " " << min(pf[mask1][x]+((dbl) j-1)/2, pf[mask1][n]-pf[mask1][x]+((dbl) pos[i].size()-j)/2) << endl; } dp[mask] = min(dp[mask],ans1); // cout << mask << " " << i << " = " << ans1 << " " << pf[mask1][1] << endl; } } cout << dp[(1<<g)-1] << endl; } int32_t main() { ios::sync_with_stdio(false); cin.tie(0); // freopen("in.in", "r", stdin); // freopen("out.out", "w", stdout); int tt = 1; // cin >> tt; while(tt--) { solve(); } }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 1 ms | 340 KB | 1st numbers differ - expected: '100800.5000000000', found: '100800.0000000000', error = '0.0000049603' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | found '1.0000000000', expected '1.0000000000', error '0.0000000000' |
2 | Correct | 1 ms | 340 KB | found '1225.0000000000', expected '1225.0000000000', error '0.0000000000' |
3 | Correct | 2 ms | 980 KB | found '1023.0000000000', expected '1023.0000000000', error '0.0000000000' |
4 | Correct | 1 ms | 968 KB | found '294.0000000000', expected '294.0000000000', error '0.0000000000' |
5 | Correct | 1 ms | 980 KB | found '1087.0000000000', expected '1087.0000000000', error '0.0000000000' |
6 | Correct | 1 ms | 852 KB | found '1.5000000000', expected '1.5000000000', error '0.0000000000' |
7 | Correct | 1 ms | 980 KB | found '703.0000000000', expected '703.0000000000', error '0.0000000000' |
8 | Correct | 1 ms | 596 KB | found '55.5000000000', expected '55.5000000000', error '0.0000000000' |
9 | Correct | 1 ms | 852 KB | found '56.0000000000', expected '56.0000000000', error '0.0000000000' |
10 | Correct | 1 ms | 852 KB | found '45.0000000000', expected '45.0000000000', error '0.0000000000' |
11 | Correct | 1 ms | 852 KB | found '66.5000000000', expected '66.5000000000', error '0.0000000000' |
12 | Correct | 1 ms | 844 KB | found '67.0000000000', expected '67.0000000000', error '0.0000000000' |
13 | Correct | 1 ms | 852 KB | found '66.0000000000', expected '66.0000000000', error '0.0000000000' |
14 | Correct | 1 ms | 852 KB | found '47.0000000000', expected '47.0000000000', error '0.0000000000' |
15 | Correct | 1 ms | 852 KB | found '50.0000000000', expected '50.0000000000', error '0.0000000000' |
16 | Correct | 1 ms | 852 KB | found '49.0000000000', expected '49.0000000000', error '0.0000000000' |
17 | Correct | 1 ms | 852 KB | found '57.0000000000', expected '57.0000000000', error '0.0000000000' |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | found '1.0000000000', expected '1.0000000000', error '0.0000000000' |
2 | Correct | 1 ms | 340 KB | found '1225.0000000000', expected '1225.0000000000', error '0.0000000000' |
3 | Correct | 2 ms | 980 KB | found '1023.0000000000', expected '1023.0000000000', error '0.0000000000' |
4 | Correct | 1 ms | 968 KB | found '294.0000000000', expected '294.0000000000', error '0.0000000000' |
5 | Correct | 1 ms | 980 KB | found '1087.0000000000', expected '1087.0000000000', error '0.0000000000' |
6 | Correct | 1 ms | 852 KB | found '1.5000000000', expected '1.5000000000', error '0.0000000000' |
7 | Correct | 1 ms | 980 KB | found '703.0000000000', expected '703.0000000000', error '0.0000000000' |
8 | Correct | 1 ms | 596 KB | found '55.5000000000', expected '55.5000000000', error '0.0000000000' |
9 | Correct | 1 ms | 852 KB | found '56.0000000000', expected '56.0000000000', error '0.0000000000' |
10 | Correct | 1 ms | 852 KB | found '45.0000000000', expected '45.0000000000', error '0.0000000000' |
11 | Correct | 1 ms | 852 KB | found '66.5000000000', expected '66.5000000000', error '0.0000000000' |
12 | Correct | 1 ms | 844 KB | found '67.0000000000', expected '67.0000000000', error '0.0000000000' |
13 | Correct | 1 ms | 852 KB | found '66.0000000000', expected '66.0000000000', error '0.0000000000' |
14 | Correct | 1 ms | 852 KB | found '47.0000000000', expected '47.0000000000', error '0.0000000000' |
15 | Correct | 1 ms | 852 KB | found '50.0000000000', expected '50.0000000000', error '0.0000000000' |
16 | Correct | 1 ms | 852 KB | found '49.0000000000', expected '49.0000000000', error '0.0000000000' |
17 | Correct | 1 ms | 852 KB | found '57.0000000000', expected '57.0000000000', error '0.0000000000' |
18 | Correct | 1 ms | 340 KB | found '1.0000000000', expected '1.0000000000', error '0.0000000000' |
19 | Correct | 1 ms | 340 KB | found '1225.0000000000', expected '1225.0000000000', error '0.0000000000' |
20 | Correct | 1 ms | 980 KB | found '1023.0000000000', expected '1023.0000000000', error '0.0000000000' |
21 | Correct | 1 ms | 980 KB | found '294.0000000000', expected '294.0000000000', error '0.0000000000' |
22 | Correct | 1 ms | 980 KB | found '1087.0000000000', expected '1087.0000000000', error '0.0000000000' |
23 | Correct | 1 ms | 852 KB | found '1.5000000000', expected '1.5000000000', error '0.0000000000' |
24 | Correct | 1 ms | 980 KB | found '703.0000000000', expected '703.0000000000', error '0.0000000000' |
25 | Correct | 1 ms | 584 KB | found '55.5000000000', expected '55.5000000000', error '0.0000000000' |
26 | Correct | 1 ms | 852 KB | found '56.0000000000', expected '56.0000000000', error '0.0000000000' |
27 | Correct | 1 ms | 852 KB | found '45.0000000000', expected '45.0000000000', error '0.0000000000' |
28 | Correct | 1 ms | 844 KB | found '66.5000000000', expected '66.5000000000', error '0.0000000000' |
29 | Correct | 1 ms | 852 KB | found '67.0000000000', expected '67.0000000000', error '0.0000000000' |
30 | Correct | 1 ms | 852 KB | found '66.0000000000', expected '66.0000000000', error '0.0000000000' |
31 | Correct | 1 ms | 852 KB | found '47.0000000000', expected '47.0000000000', error '0.0000000000' |
32 | Correct | 1 ms | 852 KB | found '50.0000000000', expected '50.0000000000', error '0.0000000000' |
33 | Correct | 2 ms | 868 KB | found '49.0000000000', expected '49.0000000000', error '0.0000000000' |
34 | Correct | 1 ms | 852 KB | found '57.0000000000', expected '57.0000000000', error '0.0000000000' |
35 | Correct | 1 ms | 724 KB | found '12497500.0000000000', expected '12497500.0000000000', error '0.0000000000' |
36 | Incorrect | 1 ms | 724 KB | 1st numbers differ - expected: '12495000.5000000000', found: '12495000.0000000000', error = '0.0000000400' |
37 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 1 ms | 340 KB | 1st numbers differ - expected: '100800.5000000000', found: '100800.0000000000', error = '0.0000049603' |
2 | Halted | 0 ms | 0 KB | - |