oj.uz

Submission #880894

# Submission time Handle Problem Language Result Execution time Memory
880894 2023-11-30T08:11:52 Z noompty Countries (BOI06_countries) C++17
70 / 100
 74 ms 16468 KB 
#include <iostream>
#include <vector>
#include <tuple>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
#include <cmath>
#include <array>
#include <random>
#include <string>
#include <cassert>
#include <climits>
#include <algorithm>
#include <unordered_set>
#include <unordered_map>
using namespace std;
 
#define ll long long
#define f first
#define s second
 
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
 
template<typename A> void __print(const A &x);
template<typename A, typename B> void __print(const pair<A, B> &p);
template<typename... A> void __print(const tuple<A...> &t);
template<typename T> void __print(stack<T> s);
template<typename T> void __print(queue<T> q);
template<typename T, typename... U> void __print(priority_queue<T, U...> q);
 
template<typename A> void __print(const A &x) {
    bool first = true;
    cerr << '{';
    for (const auto &i : x) {
        cerr << (first ? "" : ","), __print(i);
        first = false;
    }
    cerr << '}';
}
 
template<typename A, typename B> void __print(const pair<A, B> &p) {
    cerr << '(';
    __print(p.f);
    cerr << ',';
    __print(p.s);
    cerr << ')';
}
 
template<typename... A> void __print(const tuple<A...> &t) {
    bool first = true;
    cerr << '(';
    apply([&first] (const auto &...args) { ((cerr << (first ? "" : ","), __print(args), first = false), ...); }, t);
    cerr << ')';
}
 
template<typename T> void __print(stack<T> s) {
    vector<T> debugVector;
    while (!s.empty()) {
        T t = s.top();
        debugVector.push_back(t);
        s.pop();
    }
    reverse(debugVector.begin(), debugVector.end());
    __print(debugVector);
}
 
template<typename T> void __print(queue<T> q) {
    vector<T> debugVector;
    while (!q.empty()) {
        T t = q.front();
        debugVector.push_back(t);
        q.pop();
    }
    __print(debugVector);
}
 
template<typename T, typename... U> void __print(priority_queue<T, U...> q) {
    vector<T> debugVector;
    while (!q.empty()) {
        T t = q.top();
        debugVector.push_back(t);
        q.pop();
    }
    __print(debugVector);
}
 
void _print() { cerr << "]\n"; }
 
template <typename Head, typename... Tail> void _print(const Head &H, const Tail &...T) {
    __print(H);
    if (sizeof...(T)) cerr << ", ";
    _print(T...);
}
 
#ifdef DEBUG
	#define D(...) cerr << "Line: " << __LINE__ << " [" << #__VA_ARGS__ << "] = ["; _print(__VA_ARGS__)
#else
	#define D(...)
#endif

int n, ans[1005], in[1005];
array<int, 3> cities[1005];
vector<pair<double, int>> infl[1005];
vector<int> adj[1005];

void dfs(int curr, int v) {
    if (ans[curr] != 0) ans[curr] = v;
    for (int i : adj[curr]) {
        dfs(i, v);
    }
}

int main() {

    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n;

    if (n == 1) {
        cout << "K\n";
        exit(0);
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < 3; j++) {
            cin >> cities[i][j];
        }
        infl[i].push_back({0, -1});
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (i == j) continue;
            infl[i].push_back({(double) cities[j][2] / (double) ((cities[j][1] - cities[i][1]) * (cities[j][1] - cities[i][1]) + (cities[j][0] - cities[i][0]) * (cities[j][0] - cities[i][0])), j});
        }
        sort(infl[i].begin(), infl[i].end());
    }

    fill(ans, ans + 1005, -1);
    for (int i = 0; i < n; i++) {
        if (infl[i].back().f < cities[i][2]) {
            ans[i] = 0;
        } else {
            if (infl[i].size() > 2 && infl[i].back().f == infl[i][infl[i].size() - 2].f) {
                ans[i] = -2;
            } else {
                assert(infl[i].back().s != -1);
                adj[infl[i].back().s].push_back(i);
                in[i]++;
            }
        }
    }

    for (int i = 0; i < n; i++) {
        if (adj[i].size() && !in[i]) dfs(i, i + 1);
        // assert(ans[i] != -1);
    }

    for (int i = 0; i < n; i++) {
        if (ans[i] == 0) cout << "K\n";
        else if (ans[i] == -2) cout << "D\n";
        else cout << ans[i] << "\n";
    }

}

Subtask #1
70.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Incorrect 3 ms 1116 KB Output isn't correct
3 Incorrect 7 ms 2920 KB Output isn't correct
4 Incorrect 11 ms 3732 KB Output isn't correct
5 Correct 17 ms 4440 KB Output is correct
6 Incorrect 26 ms 8328 KB Output isn't correct
7 Correct 35 ms 10844 KB Output is correct
8 Correct 43 ms 13148 KB Output is correct
9 Incorrect 55 ms 14908 KB Output isn't correct
10 Correct 74 ms 16464 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 3 ms 1116 KB Output is correct
13 Correct 7 ms 2904 KB Output is correct
14 Correct 11 ms 3536 KB Output is correct
15 Correct 17 ms 4444 KB Output is correct
16 Correct 25 ms 8464 KB Output is correct
17 Correct 34 ms 10844 KB Output is correct
18 Incorrect 46 ms 13420 KB Output isn't correct
19 Correct 48 ms 14764 KB Output is correct
20 Correct 67 ms 16468 KB Output is correct