#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
#include <unordered_map>
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
//using namespace __gnu_pbds;
#define FOR(i,start,end) for(int i=start;i<(int)(end);i++)
#define FORE(i,start,end) for(int i=start;i<=(int)end;i++)
#define RFOR(i,start,end) for(int i = start; i>end; i--)
#define RFORE(i,start,end) for(int i = start; i>=end; i--)
#define all(a) a.begin(), a.end()
#define mt make_tuple
#define v vector
#define sf scanf
#define pf printf
#define dvar(x) cout << #x << " := " << x << "\n"
#define darr(x,n) FOR(i,0,n) cout << #x << "[" << i << "]" << " := " << x[i] << "\n"
typedef long long ll;
typedef long double ld;
typedef pair<int, int > pii;
typedef pair<ll, ll> pll;
//template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> void minn(T &a, T b) { a = min(a, b); }
template<class T> void maxx(T &a, T b) { a = max(a, b); }
inline void io() {
#ifdef LOCAL_PROJECT
freopen("input.in", "r", stdin); freopen("output.out", "w", stdout);
#else
/* online submission */
#endif
ios_base::sync_with_stdio(false); cin.tie(NULL);
}
/**************************COCI 2016-2017 R7 P4*************************/
int N, C[1000000][2];
ll dfs(int x) {
if (x < 0)
return -x;
ll l = dfs(C[x][0]), r = dfs(C[x][1]);
return 2LL * max(l, r);
}
int main() {
io();
cin >> N;
FORE(i, 1, N) cin >> C[i][0] >> C[i][1];
ll ans = dfs(1);
bitset<64> bits(ans);
bool start = 0;
RFORE(i, 63, 0) {
if (start || bits[i] == 1) cout << bits[i];
if (bits[i]) start = 1;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
504 KB |
Output is correct |
| 3 |
Correct |
2 ms |
504 KB |
Output is correct |
| 4 |
Correct |
2 ms |
668 KB |
Output is correct |
| 5 |
Correct |
2 ms |
668 KB |
Output is correct |
| 6 |
Correct |
2 ms |
676 KB |
Output is correct |
| 7 |
Correct |
2 ms |
680 KB |
Output is correct |
| 8 |
Correct |
2 ms |
700 KB |
Output is correct |
| 9 |
Incorrect |
2 ms |
708 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
812 KB |
Output isn't correct |
| 11 |
Incorrect |
5 ms |
1040 KB |
Output isn't correct |
| 12 |
Incorrect |
6 ms |
1252 KB |
Output isn't correct |
| 13 |
Incorrect |
15 ms |
2672 KB |
Output isn't correct |
| 14 |
Incorrect |
28 ms |
5164 KB |
Output isn't correct |
| 15 |
Incorrect |
29 ms |
6028 KB |
Output isn't correct |
| 16 |
Incorrect |
95 ms |
15616 KB |
Output isn't correct |
| 17 |
Incorrect |
224 ms |
34976 KB |
Output isn't correct |
| 18 |
Incorrect |
229 ms |
49576 KB |
Output isn't correct |
| 19 |
Incorrect |
284 ms |
66552 KB |
Output isn't correct |
| 20 |
Incorrect |
264 ms |
96828 KB |
Output isn't correct |
