#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;
for(int v : G[u]) dfs(v);
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;
for(int i = 0; i<k-1; i++){
G[i].push_back(i+1);
Grev[i+1].push_back(i);
}
}
int add_teleporter(int u, int v) {
G[u].push_back(v);
Grev[v].push_back(u);
used.assign(n1,0);
scc.assign(n1,-1);
top.clear();
dfs(0);
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:58:15: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
58 | if(hv.size() <k1) return 1;
| ~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Wrong Answer[1] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Wrong Answer[1] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Wrong Answer[1] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Wrong Answer[1] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Wrong Answer[1] |
2 |
Halted |
0 ms |
0 KB |
- |