//Sylwia Sapkowska
#include <bits/stdc++.h>
using namespace std;
void __print(int x) {cerr << x;}
void __print(long long 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 T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
#define int long long
const int oo = 1e18, K = 30;
void solve(){
int n; cin >> n;
vector<vector<int>>g(n+1, vector<int>(n+1));
for (int i = 2; i<=n; i++){
for (int j = 1; j<i; j++){
char c; cin >> c;
if (c == 'R'){
g[i][j] = g[j][i] = 1;
}
}
}
auto what = [&](int s){
vector<int>A, B;
for (int v = 1; v<=n; v++){
if (v == s) continue;
if (A.empty() || g[v][A.back()] == 1){
A.emplace_back(v);
continue;
}
if (B.empty() || g[v][B.back()] == 0){
B.emplace_back(v);
continue;
}
if (g[A.back()][B.back()] == 1){
A.emplace_back(B.back());
A.emplace_back(v);
B.pop_back();
} else {
B.emplace_back(A.back());
B.emplace_back(v);
A.pop_back();
}
}
int v = s;
if (A.empty() || g[v][A.back()] == 1){
A.emplace_back(v);
} else if (B.empty() || g[v][B.back()] == 0){
B.emplace_back(v);
} else if (g[A.back()][B.back()] == 1){
A.emplace_back(B.back());
A.emplace_back(v);
B.pop_back();
} else {
B.emplace_back(A.back());
B.emplace_back(v);
A.pop_back();
}
if (A.back() == s) reverse(A.begin(), A.end());
if (B.back() == s) {
reverse(B.begin(), B.end());
swap(A, B);
}
// debug(s, A, B);
cout << n << "\n";
for (auto x: A) cout << x << " ";
for (auto x: B) cout << x << " ";
cout << "\n";
};
for (int i = 1; i<=n; i++){
what(i);
}
}
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 5 |
Halted |
0 ms |
0 KB |
- |
