Submission #230074

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
230074	2020-05-08 06:40:22	dolphingarlic	Sequence (BOI14_sequence)	C++14	34 / 100	226 ms	1400 KiB

sequence

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#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
 
ll ans = 1e12, pw[18];
 
void solve(vector<int> sections, ll curr = 0, int level = 0, bool had_zero = false) {
    if (curr > ans) return;
    int n = sections.size();
 
    if (n == 1) {
        int mask = sections[0];
        if (!mask) {
            if (!curr || had_zero) curr += pw[level];
        } else if (mask == 1) curr += pw[level + 1];
        else {
            if (mask & 1) {
                int mn = 10;
                for (int i = 9; i; i--) {
                    if (mask & (1 << i)) mn = i;
                }
                for (int i = 9; i; i--) {
                    if ((mask & (1 << i)) && i != mn) curr += i * pw[level++];
                }
                curr += mn * pw[++level];
            } else {
                for (int i = 9; i; i--) {
                    if (mask & (1 << i)) curr += i * pw[level++];
                }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 0 / 33
• Subtask 3: 25 / 25
• Subtask 4: 0 / 33