답안 #896971

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
896971 2024-01-02T11:38:39 Z vjudge1 게임 (APIO22_game) C++17
30 / 100
4000 ms 2936 KB
#include<bits/stdc++.h>
using namespace std;
#include "game.h"


int k1,n1;

vector<vector<int>> G,Grev, DAG;
vector<int> top,used,scc;
int act = 0;
void dfs(int u){
	if(used[u]) return;
	used[u] = 1;
	// cerr<<"START "<<u<<endl;
	for(int v : G[u]) dfs(v);
	// cerr<<"END "<<u<<endl;
	top.push_back(u);
}

void dfs1(int u){
	if(used[u]) return;
	used[u] = 1;
	for(int v : Grev[u]){
		dfs1(v);
	}
	scc[u] = act;
}

void init(int n, int k) {
	k1 = k; n1 = n;
	G.assign(n,vector<int>());
	Grev = G;
	// cerr<<"HERE "<<n<<" "<<k<<endl;
	for(int i = 0; i<=k-2; i++){
		G[i].push_back(i+1);
		Grev[i+1].push_back(i);
	}
}

int add_teleporter(int u, int v) {
	if(u == v){
		if(u < k1) return 1;
		return 0;
	}
	G[u].push_back(v);
	Grev[v].push_back(u);
	used.assign(n1,0);
	scc.assign(n1,-1);
	top.clear();
	// cerr<<"STARTING DFS OF EDGE "<<u<<" "<<v<<endl;

	for(int i = 0; i<n1; i++) dfs(i);
	// cerr<<"TOP"<<endl;
	// for(int i : top) cerr<<i<<" ";
		// cerr<<"END TOP"<<endl;
	used.assign(n1,0);
	act = 0;
	for(int i = top.size()-1; i>=0; i--){
		if(!used[top[i]]) act++, scc[top[i]] = act, dfs1(top[i]);
	}
	set<int> hv; 
	for(int i = 0; i<k1; i++){
		hv.insert(scc[i]);
	}
	//  cerr<<"STARTING SCC OF EDGE: "<<u<<" "<<v<<endl;
	// for(int i = 0; i<n1; i++){
	// 	cerr<<"SCC: "<<i<<" "<<scc[i]<<endl;
	// }
	// cerr<<endl;
	if(hv.size() < k1) return 1;

	for(int i = k1; i<n1; i++){
		if(hv.count(scc[i])) return 1;
	}
  return 0;
}

Compilation message

game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:70:15: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   70 |  if(hv.size() < k1) return 1;
      |     ~~~~~~~~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 19 ms 612 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 516 KB Output is correct
23 Correct 19 ms 508 KB Output is correct
24 Correct 46 ms 576 KB Output is correct
25 Correct 195 ms 552 KB Output is correct
26 Correct 208 ms 856 KB Output is correct
27 Correct 238 ms 580 KB Output is correct
28 Correct 109 ms 576 KB Output is correct
29 Correct 221 ms 1072 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 19 ms 612 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 516 KB Output is correct
23 Correct 19 ms 508 KB Output is correct
24 Correct 46 ms 576 KB Output is correct
25 Correct 195 ms 552 KB Output is correct
26 Correct 208 ms 856 KB Output is correct
27 Correct 238 ms 580 KB Output is correct
28 Correct 109 ms 576 KB Output is correct
29 Correct 221 ms 1072 KB Output is correct
30 Execution timed out 4032 ms 2936 KB Time limit exceeded
31 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 19 ms 612 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 516 KB Output is correct
23 Correct 19 ms 508 KB Output is correct
24 Correct 46 ms 576 KB Output is correct
25 Correct 195 ms 552 KB Output is correct
26 Correct 208 ms 856 KB Output is correct
27 Correct 238 ms 580 KB Output is correct
28 Correct 109 ms 576 KB Output is correct
29 Correct 221 ms 1072 KB Output is correct
30 Execution timed out 4032 ms 2936 KB Time limit exceeded
31 Halted 0 ms 0 KB -