제출 #1260679

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1260679		wedonttalkanymore	Turnir (COCI17_turnir)	C++20	100 / 100	269 ms	49552 KiB

turnir

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

// #define int long long
#define pii pair<ll, ll>
#define fi first
#define se second

const ll N = 2e5 + 5, inf = 1e9, mod = 1e9 + 7, block = 320, lim = 20;

int n;
int ans[1 << 20];
vector <int> fre[1 << 20];
vector <int> comp;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    if (fopen(".inp", "r")) {
        freopen(".inp", "r", stdin);
        freopen(".out", "w", stdout);
    }
    cin >> n;
    int sz = 1 << n;
    for (int i = 0; i < sz; i++) {
        int x;
        cin >> x;
        fre[x].push_back(i);
        comp.push_back(x);
    }
    sort(comp.begin(), comp.end());
    comp.erase(unique(comp.begin(), comp.end()), comp.end());
    // for (int i = 0; i < sz; i++) cout << a[i].fi << ' ';
    // cout << '\n';
    int t = 0;
    for (int i = 0; i < comp.size(); i++) {
        t += fre[comp[i]].size();
        int l = 1, r = 32, res = 0;
        while(l <= r) {
            int mid = (l + r) / 2;
            if ((1 << mid) <= t) {
                res = mid;
                l = mid + 1;
            }
            else r = mid - 1;
        }
        for (int x : fre[comp[i]]) {
            ans[x] = n - res;
        }
    }
    cout << '\n';
    for (int i = 0; i < sz; i++) cout << ans[i] << ' ';
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

turnir.cpp: In function 'int main()':
turnir.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen(".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
turnir.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen(".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100