Submission #471177

#	Time	Username	Problem	Language	Result	Execution time	Memory
471177		Killer2501	Editor (BOI15_edi)	C++14	100 / 100	263 ms	63032 KiB

edi

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define pb push_back
#define task "tests"
#define pll pair<ll, ll>
#define pi pair<ll, pll>
#define fi first
#define se second

using namespace std;
const ll mod = 1000000000;
const ll N = 3e5+55;
const int base = 313;
ll n, m, t, k, T, ans, q, tong;
ll a[N], b[N], d[N], P[N][20];
vector<ll> adj[N], kq;
ll pw(ll k, ll n)
{
    ll total = 1;
    for(; n; n >>= 1)
    {
        if(n & 1)total = total * k % mod;
        k = k * k % mod;
    }
    return total;
}

bool cmp(ll& x, ll& y)
{
    return x > y;
}
bool check(ll x)
{
    ll total = 0;
    for(int i = 1; i <= n; i ++)
    {
        total += b[i] - mod;
        ll j = min(n, (total - x) / mod);
        if(j < 0)continue;
        if(d[j] - mod * i >= x)return true;
    }
    return false;
}
ll jump(ll x, ll mx)
{
    if(b[x] < mx)return x;
    for(int i = 19; i >= 0 ; i --)if(b[P[x][i]] >= mx)x = P[x][i];
    return P[x][0];
}
void sol()
{
    cin >> n;
    for(int i = 1; i <= n; i ++)
    {
        cin >> a[i];
        if(a[i] > 0)
        {
            cout << a[i] << '\n';
            continue;
        }
        b[i] = -a[i];
        P[i][0] = jump(jump(i-1, b[i])-1, b[i]);
        for(int j = 1; j < 20 ; j ++)P[i][j] = P[P[i][j-1]][j-1];
        cout << a[jump(i, 1)] << '\n';
    }
}
int main()
{
    if(fopen(task".in", "r"))
    {
       freopen(task".in", "r", stdin);
       freopen(task".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int ntest = 1;
    //cin >> ntest;
    while(ntest -- > 0)
    sol();
}

Compilation message (stderr)

edi.cpp: In function 'int main()':
edi.cpp:72:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |        freopen(task".in", "r", stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
edi.cpp:73:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |        freopen(task".out", "w", stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 28 / 28
• Subtask 4: 37 / 37