Submission #402815

#TimeUsernameProblemLanguageResultExecution timeMemory
402815dxz05원 고르기 (APIO18_circle_selection)C++14
7 / 100
3092 ms17340 KiB
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>

using namespace std;

void debug_out() { cerr << endl; }

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << "[" << H << "]";
    debug_out(T...);
}

#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define revall(x) (x).rbegin(), (x).rend()

clock_t startTime;

double getCurrentTime() {
    return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}

typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.00001;
const int MOD = 1e9 + 7;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 1e6 + 3e2;
const int M = 2222;

ll x[N], y[N], r[N];
int ans[N];

void solve(int TC) {
    int n;
    cin >> n;

    for (int i = 1; i <= n; i++) cin >> x[i] >> y[i] >> r[i];

    while (true){
        int j = 0;
        for (int i = 1; i <= n; i++){
            if (ans[i]) continue;
            if (r[i] > r[j]) j = i;
        }
        if (j == 0) break;

        for (int i = 1; i <= n; i++){
            if (ans[i]) continue;
            ll dist = (x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]);
            if (dist <= (r[i] + r[j]) * (r[i] + r[j])){
                ans[i] = j;
            }
        }

    }

    for (int i = 1; i <= n; i++) cout << ans[i] << ' ';

}


int main() {
    startTime = clock();
    cin.tie(nullptr); cout.tie(nullptr);
    ios_base::sync_with_stdio(false);

    bool llololcal = false;
#ifdef dddxxz
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    llololcal = true;
#endif

    int TC = 1;
    //  cin >> TC;

    for (int test = 1; test <= TC; test++) {
        //debug(test);
        //cout << "Case #" << test << ": ";
        solve(test);
    }

    if (llololcal) cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;

    return 0;
}
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