#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define D(x) cerr << #x << " is " << (x) << "\n";
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T1,class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
const int N=16,L=26;
int dp[1<<N],cnt[N][L],n;
int calc(int mask)
{
int c=__builtin_popcount(mask);
if(dp[mask]!=-1)
return dp[mask];
vector<int> minn(L,INT_MAX);
int total=0;
for(int i=0;i<n;i++)
if(mask&(1<<i))
for(int j=0;j<L;j++)
minn[j]=min(minn[j],cnt[i][j]),total+=cnt[i][j];
int sum=0;
for(auto p:minn)
sum+=p;
if(total%c==0&&total/c==sum)
return dp[mask]=sum;
dp[mask]=INT_MAX;
for(int j=(mask-1)&mask;j;j=(j-1)&mask)
dp[mask]=min(dp[mask],calc(j)+calc(j^mask)-sum);
return dp[mask];
}
int main()
{
memset(dp,-1,sizeof(dp));
ios_base::sync_with_stdio(false);
cin.tie(NULL);
scanf("%i",&n);
for(int i=0;i<n;i++)
{
string s;
cin >> s;
for(auto p:s)
cnt[i][p-'a']++;
}
printf("%i\n",calc((1<<n)-1)+1);
return 0;
}
Compilation message
vjestica.cpp: In function 'int main()':
vjestica.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i",&n);
~~~~~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
764 KB |
Output isn't correct |
| 2 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 3 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
| 4 |
Incorrect |
635 ms |
632 KB |
Output isn't correct |
| 5 |
Incorrect |
636 ms |
760 KB |
Output isn't correct |
| 6 |
Incorrect |
637 ms |
1052 KB |
Output isn't correct |
| 7 |
Incorrect |
637 ms |
1144 KB |
Output isn't correct |
| 8 |
Correct |
643 ms |
1144 KB |
Output is correct |
| 9 |
Incorrect |
643 ms |
1192 KB |
Output isn't correct |
| 10 |
Incorrect |
637 ms |
1268 KB |
Output isn't correct |
