oj.uz

Submission #880893

# Submission time Handle Problem Language Result Execution time Memory
880893 2023-11-30T08:11:09 Z noompty Countries (BOI06_countries) C++17
70 / 100
 70 ms 16484 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 {
                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 2904 KB Output isn't correct
4 Incorrect 12 ms 3676 KB Output isn't correct
5 Correct 17 ms 4444 KB Output is correct
6 Incorrect 26 ms 8264 KB Output isn't correct
7 Correct 34 ms 10832 KB Output is correct
8 Correct 48 ms 13140 KB Output is correct
9 Incorrect 61 ms 14928 KB Output isn't correct
10 Correct 70 ms 16468 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 2776 KB Output is correct
14 Correct 12 ms 3676 KB Output is correct
15 Correct 17 ms 4444 KB Output is correct
16 Correct 25 ms 8392 KB Output is correct
17 Correct 33 ms 10836 KB Output is correct
18 Incorrect 43 ms 13136 KB Output isn't correct
19 Correct 45 ms 14928 KB Output is correct
20 Correct 68 ms 16484 KB Output is correct