# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
435046 | 2021-06-22T21:26:25 Z | Ozy | 열쇠 (IOI21_keys) | C++17 | 651 ms | 17132 KB |
#include <vector> #include <bits/stdc++.h> using namespace std; #define lli long long #define rep(i, a, b) for(lli i = (a); i <= (b); ++i) #define repa(i, a, b) for(lli i = (a); i >= (b); --i) #define nl "\n" #define debugsl(x) cout << #x << " = " << x << ", " #define debug(x) debugsl(x) << nl #define debugarr(x, a, b) cout << #x << " = ["; rep(ii, a, b) cout << x[ii] << ", "; cout << "]" << nl #define MAX_N 2002 #define destino first #define tipo second int minimo = MAX_N + 1; int tamano[MAX_N]; // TAMAÑO DEL CONJUNTO ALCANZABLE DESDE EL NODO i std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) { std::vector<int> ans(r.size(), 1); // CONSTRUYE EL GRAFO PARA PODER HACER LA BUSQUEDA DE FORMA SENCILLA SIN TENER QUE RECORRER TODAS LAS ARISTAS vector<pair<int, int> > hijos[MAX_N]; rep(i, 0, u.size() - 1){ hijos[u[i]].emplace_back(v[i], c[i]); hijos[v[i]].emplace_back(u[i], c[i]); } // INTENTA RESOLVER PARA CADA NODO INICIAL rep(n, 0, r.size() - 1){ int alcanzados = 0; vector<int> visitado(r.size(), 0); // PERMITE SABER QUE NODOS YA FUERON VISITADOS vector<int> llave(r.size(), 0); // PERMITE SABER QUE LLAVES YA SE TIENEN vector<queue<int> > aristas (r.size()); // PERMITE GUARDAR LAS ARISTAS QUE SE ACTIVARAN SI SE ENCUENTRA UN TIPO DE LLAVE queue<int> q; visitado[n] = 1; // VISITA EL NODO ACTUAL alcanzados = 1; q.push(n); while (!q.empty()){ int nodo = q.front(); q.pop(); for (auto h : hijos[nodo]){ // REVISA TODOS LOS NODOS A LOS QUE ESTA CONECTADO if (llave[h.tipo]){ // SI YA TIENE EL TIPO DE LLAVE NECESARIO if (!visitado[h.destino]){ // Y EL NODO NO HA SIDO VISITADO, ENTONCES VISITALO Y AGREGALO A LA COLA visitado[h.destino] = 1; ++alcanzados; q.push(h.destino); } // SI YA FUE VISITADO NO ES NECESARIO HACER NADA } else { // SI NO TIENE ESE TIPO DE LLAVE TODAVIA if (!visitado[h.destino]){ // Y EL NODO AUN NO HA SIDO VISITADO aristas[h.tipo].push(h.destino); // GUARDA EL NODO COMO ALCANZABLE POTENCIAL POR SI SE LLEGA A ENCONTRAR UNA LLAVE DE ESE TIPO. } } } // RECOGE LA LLAVE DEL CUARTO Y MARCALA COMO ACTIVA if (!llave[r[nodo]]){ // SI NO HABIA ENCONTRADO ESE TIPO DE LLAVE llave[r[nodo]] = 1; while (!aristas[r[nodo]].empty()){ // SACA TODOS LOS NODOS A LOS QUE SE PODIA LLEGAR SI SE ENCONTRABA ESE TIPO DE LLAVE int nod = aristas[r[nodo]].front(); aristas[r[nodo]].pop(); if (!visitado[nod]){ visitado[nod] = 1; ++alcanzados; q.push(nod); } } } } minimo = min(minimo, alcanzados); tamano[n] = alcanzados; } rep(i, 0, r.size() - 1) ans[i] = (tamano[i] == minimo) ? 1 : 0; return ans; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
2 | Correct | 1 ms | 332 KB | Output is correct |
3 | Correct | 1 ms | 332 KB | Output is correct |
4 | Correct | 7 ms | 460 KB | Output is correct |
5 | Correct | 1 ms | 332 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 332 KB | Output is correct |
8 | Correct | 4 ms | 444 KB | Output is correct |
9 | Correct | 5 ms | 460 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
2 | Correct | 1 ms | 332 KB | Output is correct |
3 | Correct | 1 ms | 332 KB | Output is correct |
4 | Correct | 7 ms | 460 KB | Output is correct |
5 | Correct | 1 ms | 332 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 332 KB | Output is correct |
8 | Correct | 4 ms | 444 KB | Output is correct |
9 | Correct | 5 ms | 460 KB | Output is correct |
10 | Correct | 6 ms | 588 KB | Output is correct |
11 | Correct | 7 ms | 460 KB | Output is correct |
12 | Correct | 6 ms | 484 KB | Output is correct |
13 | Correct | 1 ms | 332 KB | Output is correct |
14 | Correct | 1 ms | 332 KB | Output is correct |
15 | Correct | 5 ms | 332 KB | Output is correct |
16 | Correct | 1 ms | 332 KB | Output is correct |
17 | Correct | 1 ms | 332 KB | Output is correct |
18 | Correct | 2 ms | 332 KB | Output is correct |
19 | Correct | 1 ms | 332 KB | Output is correct |
20 | Correct | 1 ms | 332 KB | Output is correct |
21 | Correct | 6 ms | 460 KB | Output is correct |
22 | Correct | 2 ms | 332 KB | Output is correct |
23 | Correct | 5 ms | 332 KB | Output is correct |
24 | Correct | 4 ms | 332 KB | Output is correct |
25 | Correct | 7 ms | 460 KB | Output is correct |
26 | Correct | 6 ms | 476 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
2 | Correct | 1 ms | 332 KB | Output is correct |
3 | Correct | 1 ms | 332 KB | Output is correct |
4 | Correct | 7 ms | 460 KB | Output is correct |
5 | Correct | 1 ms | 332 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 332 KB | Output is correct |
8 | Correct | 4 ms | 444 KB | Output is correct |
9 | Correct | 5 ms | 460 KB | Output is correct |
10 | Correct | 6 ms | 588 KB | Output is correct |
11 | Correct | 7 ms | 460 KB | Output is correct |
12 | Correct | 6 ms | 484 KB | Output is correct |
13 | Correct | 1 ms | 332 KB | Output is correct |
14 | Correct | 1 ms | 332 KB | Output is correct |
15 | Correct | 5 ms | 332 KB | Output is correct |
16 | Correct | 1 ms | 332 KB | Output is correct |
17 | Correct | 1 ms | 332 KB | Output is correct |
18 | Correct | 2 ms | 332 KB | Output is correct |
19 | Correct | 1 ms | 332 KB | Output is correct |
20 | Correct | 1 ms | 332 KB | Output is correct |
21 | Correct | 6 ms | 460 KB | Output is correct |
22 | Correct | 2 ms | 332 KB | Output is correct |
23 | Correct | 5 ms | 332 KB | Output is correct |
24 | Correct | 4 ms | 332 KB | Output is correct |
25 | Correct | 7 ms | 460 KB | Output is correct |
26 | Correct | 6 ms | 476 KB | Output is correct |
27 | Correct | 506 ms | 1844 KB | Output is correct |
28 | Correct | 508 ms | 1848 KB | Output is correct |
29 | Correct | 512 ms | 1944 KB | Output is correct |
30 | Correct | 112 ms | 972 KB | Output is correct |
31 | Correct | 112 ms | 1092 KB | Output is correct |
32 | Correct | 11 ms | 460 KB | Output is correct |
33 | Correct | 72 ms | 932 KB | Output is correct |
34 | Correct | 134 ms | 972 KB | Output is correct |
35 | Correct | 106 ms | 912 KB | Output is correct |
36 | Correct | 452 ms | 1496 KB | Output is correct |
37 | Correct | 422 ms | 1488 KB | Output is correct |
38 | Correct | 651 ms | 1824 KB | Output is correct |
39 | Correct | 642 ms | 1752 KB | Output is correct |
40 | Correct | 117 ms | 1100 KB | Output is correct |
41 | Correct | 161 ms | 1136 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
2 | Correct | 1 ms | 332 KB | Output is correct |
3 | Correct | 1 ms | 332 KB | Output is correct |
4 | Correct | 7 ms | 460 KB | Output is correct |
5 | Correct | 1 ms | 332 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 332 KB | Output is correct |
8 | Correct | 4 ms | 444 KB | Output is correct |
9 | Correct | 5 ms | 460 KB | Output is correct |
10 | Runtime error | 110 ms | 17132 KB | Execution killed with signal 11 |
11 | Halted | 0 ms | 0 KB | - |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
2 | Correct | 1 ms | 332 KB | Output is correct |
3 | Correct | 1 ms | 332 KB | Output is correct |
4 | Correct | 7 ms | 460 KB | Output is correct |
5 | Correct | 1 ms | 332 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 332 KB | Output is correct |
8 | Correct | 4 ms | 444 KB | Output is correct |
9 | Correct | 5 ms | 460 KB | Output is correct |
10 | Correct | 6 ms | 588 KB | Output is correct |
11 | Correct | 7 ms | 460 KB | Output is correct |
12 | Correct | 6 ms | 484 KB | Output is correct |
13 | Correct | 1 ms | 332 KB | Output is correct |
14 | Correct | 1 ms | 332 KB | Output is correct |
15 | Correct | 5 ms | 332 KB | Output is correct |
16 | Correct | 1 ms | 332 KB | Output is correct |
17 | Correct | 1 ms | 332 KB | Output is correct |
18 | Correct | 2 ms | 332 KB | Output is correct |
19 | Correct | 1 ms | 332 KB | Output is correct |
20 | Correct | 1 ms | 332 KB | Output is correct |
21 | Correct | 6 ms | 460 KB | Output is correct |
22 | Correct | 2 ms | 332 KB | Output is correct |
23 | Correct | 5 ms | 332 KB | Output is correct |
24 | Correct | 4 ms | 332 KB | Output is correct |
25 | Correct | 7 ms | 460 KB | Output is correct |
26 | Correct | 6 ms | 476 KB | Output is correct |
27 | Correct | 506 ms | 1844 KB | Output is correct |
28 | Correct | 508 ms | 1848 KB | Output is correct |
29 | Correct | 512 ms | 1944 KB | Output is correct |
30 | Correct | 112 ms | 972 KB | Output is correct |
31 | Correct | 112 ms | 1092 KB | Output is correct |
32 | Correct | 11 ms | 460 KB | Output is correct |
33 | Correct | 72 ms | 932 KB | Output is correct |
34 | Correct | 134 ms | 972 KB | Output is correct |
35 | Correct | 106 ms | 912 KB | Output is correct |
36 | Correct | 452 ms | 1496 KB | Output is correct |
37 | Correct | 422 ms | 1488 KB | Output is correct |
38 | Correct | 651 ms | 1824 KB | Output is correct |
39 | Correct | 642 ms | 1752 KB | Output is correct |
40 | Correct | 117 ms | 1100 KB | Output is correct |
41 | Correct | 161 ms | 1136 KB | Output is correct |
42 | Runtime error | 110 ms | 17132 KB | Execution killed with signal 11 |
43 | Halted | 0 ms | 0 KB | - |