Submission #1308617

#TimeUsernameProblemLanguageResultExecution timeMemory
1308617TymondPopeala (CEOI16_popeala)C++20
0 / 100
2 ms832 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::high_resolution_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

struct pair_hash{
  size_t operator()(const pair<int,int>&x)const{
    return hash<long long>()(((long long)x.first)^(((long long)x.second)<<32));
  }
};

const int MAXT = 20007;
const int MAXN = 52;
const int INF = 2e9;
int dp[MAXN][MAXT];
string S[MAXN];
int A[MAXT];
int pref[MAXT];
int lst[MAXN];
int f0[MAXT];
int n, t, s;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n >> t >> s;
    for(int i = 1; i <= t; i++){
        cin >> A[i];
        pref[i] = pref[i - 1] + A[i];
    }

    for(int i = 1; i <= n; i++){
        cin >> S[i];
        f0[0]++;
    }

    for(int j = 1; j <= s; j++){
        dp[0][j] = INF;
    }

    for(int i = 1; i <= t; i++){
        dp[i][0] = INF;
        set<int> pos;
        pos.insert(i - 1);
        pos.insert(0);
        for(int j = 1; j <= n; j++){
            if(S[j][i - 1] == '0'){
                f0[lst[j]]--;
                lst[j] = i;
                f0[i]++;
            }

            pos.insert(lst[j]);
            pos.insert(lst[j] + 1);
            pos.insert(lst[j] - 1);
        }

        vi vec = {};
        for(auto ele : pos){
            vec.pb(ele);
        }
        reverse(all(vec));
        // for(int j = 1; j <= n; j++){
        //     cerr << lst[j] << ' ';
        // }
        // cerr << '\n';

        // for(int j = 0; j <= i; j++){
        //     cerr << f0[j] << ' ';
        // }
        // cerr << '\n';

        int cnt = n;
        for(int k = 1; k <= s; k++){
            dp[i][k] = INF;
            cnt = n;
            for(auto x : vec){
                if(x < 0){
                    break;
                }
                cnt -= f0[x];
                if(x - 1 < 0 || dp[x - 1][k - 1] == INF || x - 1 >= i){
                    continue;
                }
                //cerr << i << ' ' << k << ' ' << x << ' ' << cnt << '\n';
                dp[i][k] = min(dp[i][k], dp[x - 1][k - 1] + (pref[i] - pref[x - 1]) * cnt);
               // cerr << dp[i][k] << '\n';
            }
        }
    }

    for(int k = 1; k <= s; k++){
        cout << dp[t][k] << '\n';
    }

    return 0;
}
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