Submission #896970

# Submission time Handle Problem Language Result Execution time Memory
896970 2024-01-02T11:38:13 Z Litusiano Game (APIO22_game) C++17
30 / 100
4000 ms 3140 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;
      |     ~~~~~~~~~~^~~~
# Verdict Execution time Memory 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 3 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
# Verdict Execution time Memory 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 3 ms 344 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 0 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 2 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory 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 3 ms 344 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 0 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 2 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 17 ms 768 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 500 KB Output is correct
23 Correct 21 ms 344 KB Output is correct
24 Correct 49 ms 584 KB Output is correct
25 Correct 234 ms 788 KB Output is correct
26 Correct 206 ms 624 KB Output is correct
27 Correct 237 ms 788 KB Output is correct
28 Correct 111 ms 344 KB Output is correct
29 Correct 214 ms 824 KB Output is correct
# Verdict Execution time Memory 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 3 ms 344 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 0 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 2 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 17 ms 768 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 500 KB Output is correct
23 Correct 21 ms 344 KB Output is correct
24 Correct 49 ms 584 KB Output is correct
25 Correct 234 ms 788 KB Output is correct
26 Correct 206 ms 624 KB Output is correct
27 Correct 237 ms 788 KB Output is correct
28 Correct 111 ms 344 KB Output is correct
29 Correct 214 ms 824 KB Output is correct
30 Execution timed out 4034 ms 3140 KB Time limit exceeded
31 Halted 0 ms 0 KB -
# Verdict Execution time Memory 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 3 ms 344 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 0 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 2 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 17 ms 768 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 20 ms 500 KB Output is correct
23 Correct 21 ms 344 KB Output is correct
24 Correct 49 ms 584 KB Output is correct
25 Correct 234 ms 788 KB Output is correct
26 Correct 206 ms 624 KB Output is correct
27 Correct 237 ms 788 KB Output is correct
28 Correct 111 ms 344 KB Output is correct
29 Correct 214 ms 824 KB Output is correct
30 Execution timed out 4034 ms 3140 KB Time limit exceeded
31 Halted 0 ms 0 KB -