Submission #400014

#	Time	Username	Problem	Language	Result	Execution time	Memory
400014		lyc	Sequence (BOI14_sequence)	C++14	0 / 100	2 ms	208 KiB

sequence

#include <bits/stdc++.h>
using namespace std;

#define TRACE(x) cerr << #x << " :: " << x << endl
#define _ << " " <<
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(),(x).end()
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for (int i=(a);i>=(b);--i)
typedef long long ll;

const int mxK = 1e5+5;

int K;

ll solve(vector<int>& req) {
    ll ret = 0;
    if (SZ(req) == 1) {
        FOR(i,0,9) if (req[0] & (1<<i)) {
            ret = ret*10 + i;
        }
    } else {
        ret = 1e18;
        FOR(d,0,9){
            vector<int> req2; FOR(i,0,SZ(req)-1){
                int cur = req[i] & (~(1<<((i+d)%10)));
                if (i == 0 || (i+d)/10 != (i-1+d)/10) {
                    req2.push_back(cur);
                } else {
                    req2.back() |= cur;
                }
            }

            if (req == req2) continue; // corner case
            ret = min(ret,solve(req2)*10 + d);
        }
    }
    return ret;
}

int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin >> K;

    vector<int> req;
    FOR(i,1,K){
        int A; cin >> A;
        req.push_back(1<<A);
    }

    cout << solve(req) << '\n';
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 33
• Subtask 3: 0 / 25
• Subtask 4: 0 / 33