Submission #680515

#	Time	Username	Problem	Language	Result	Execution time	Memory
680515		vjudge1	Zalmoxis (BOI18_zalmoxis)	C++14	30 / 100	1093 ms	118032 KiB

zalmoxis

#include <bits/stdc++.h>
#define ll long long
#define st first
#define nd second
#define pii pair <ll, ll>
#define rep(i, n, m) for (ll i = (n); i <= (m); i ++)
#define rrep(i, n, m) for (ll i = (n); i >= (m); i --)
using namespace std;
const long long N = 2e6 + 10;
ll n, k, a[N], b[N], cnt;
vector <int> d[N];

void write(int v) {
    queue <int> q;
    q.push(v);

    while (q.size() < k && q.front() > 0) {
        int v = q.front(); q.pop();
        q.push(v - 1);
        q.push(v - 1);
    }
    k -= q.size();
    while (q.size()) cout << q.front() << ' ', q.pop();

}

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

    cin >> n >> k;
    vector <pii> b;

    rep(i, 1, n) cin >> a[i], b.push_back({a[i], i});

    int cnt = 0;
    rep(val, 0, 29) {
        vector <pii> v;
        for (int id = 0; id < b.size(); id ++) {
            int x = b[id].st;
            if (val != x) v.push_back(b[id]);
            else {
                if (id + 1 < b.size() && b[id + 1].st == val)
                    v.push_back({val + 1, b[id + 1].nd}), id ++;
                else {
                    d[b[id].nd].push_back(val);
                    v.push_back({val + 1, b[id].nd});
                    k --;
                    cnt ++;
                    if (k == 0) break;
                }
            }
            if (k == 0) break;
        }
        if (k == 0) break;
        b = v;
    }

    k += cnt;
    rep(i, 1, n) {
        cout << a[i] << ' ';
        for (int v: d[i]) {
            write(v);
        }
    }



    return 0;
}

Compilation message (stderr)

zalmoxis.cpp: In function 'void write(int)':
zalmoxis.cpp:17:21: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   17 |     while (q.size() < k && q.front() > 0) {
      |            ~~~~~~~~~^~~
zalmoxis.cpp: In function 'int main()':
zalmoxis.cpp:39:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int id = 0; id < b.size(); id ++) {
      |                          ~~~^~~~~~~~~~
zalmoxis.cpp:43:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |                 if (id + 1 < b.size() && b[id + 1].st == val)
      |                     ~~~~~~~^~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70