#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define ar array
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = 1e6 + 5, inf = 1e9;
int lc[maxn], rc[maxn];
int N;
int val[3 * maxn];
ll solve(int u)
{
if(u > N){
return val[u];
}
ll le = -1, ri = -1;
if(lc[u]) le = solve(lc[u]);
if(rc[u]) ri = solve(rc[u]);
if(le == -1) return ri;
if(ri == -1) return le;
return max(ri, le) * 2ll;
}
signed main(void)
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("A.INP", "r", stdin);
freopen("A.OUT", "w", stdout);
#endif // LOCAL
cin >> N;
int cnt = N + 1;
for(int i = 1; i <= N; ++i){
int a, b; cin >> a >> b;
if(a < 0){
lc[i] = cnt;
val[cnt] = -a;
++cnt;
}
else{
lc[i] = a;
}
if(b < 0){
rc[i] = cnt;
val[cnt] = -b;
++cnt;
}
else{
rc[i] = b;
}
}
ll res = solve(1);
bool lead = false;
for(int bit = 63; bit >= 0; --bit){
if(res >> bit & 1){
lead = true;
}
if(lead) cout << (res >> bit & 1);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
10 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
11 |
Incorrect |
7 ms |
768 KB |
Output isn't correct |
12 |
Incorrect |
8 ms |
768 KB |
Output isn't correct |
13 |
Incorrect |
20 ms |
2560 KB |
Output isn't correct |
14 |
Incorrect |
34 ms |
4856 KB |
Output isn't correct |
15 |
Incorrect |
34 ms |
3320 KB |
Output isn't correct |
16 |
Incorrect |
109 ms |
14072 KB |
Output isn't correct |
17 |
Incorrect |
259 ms |
31480 KB |
Output isn't correct |
18 |
Incorrect |
247 ms |
33016 KB |
Output isn't correct |
19 |
Incorrect |
324 ms |
35064 KB |
Output isn't correct |
20 |
Incorrect |
313 ms |
60792 KB |
Output isn't correct |