oj.uz

Submission #1097119

# Submission time Handle Problem Language Result Execution time Memory
1097119 2024-10-06T06:02:16 Z vjudge1 Xor Sort (eJOI20_xorsort) C++17
0 / 100
 1 ms 344 KB 
#include "bits/stdc++.h"
const signed MOD = 1e9 + 7;
const signed mod = 998244353;
using namespace std;
#define all(x) x.begin(), x.end()
#define ld long double
#define ll long long
#define pb push_back
#define mp make_pair
#define co cout <<
#define S second
#define F first
ll n, a[1000001];

bool sol(ll x) {
    ll t = x;
    vector<pair<ll, ll>> s;
    for (int i = 0; i < n * 2; i++) {
        if (a[i] <= t) {
            t += a[i];
            while (s.size() && s.back().F <= t) {
                t += s.back().S;
                s.pop_back();
            }
        }
        else {
            s.pb(mp(a[i], t - x + a[i]));
            t = x;
        }
    }
    return (s.empty());
}

void solve() {
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        a[i + n] = a[i];
    }
    ll l = 0, r = 1e13;

    while (l < r) {
        ll m = l + r >> 1;
        if (sol(m)) r = m;
        else l = m + 1;
    }
    co l;
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    signed t = 1;
    // cin >> t;
    while (t--) solve();
}

Compilation message

xorsort.cpp: In function 'void solve()':
xorsort.cpp:43:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |         ll m = l + r >> 1;
      |                ~~^~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Integer 499946 violates the range [0, 40000]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Integer 499946 violates the range [0, 40000]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Integer 308179 violates the range [0, 40000]
2 Halted 0 ms 0 KB -