#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define PB push_back
using namespace std;
const int N = 1000100;
int lf[N], rt[N], n;
vector<bool> calc(int pos){
vector<bool> l, r;
if (lf[pos] < 0){
int vl = -lf[pos];
l.clear();
while (vl > 0){
l.PB((vl & 1));
vl >>= 1;
}
reverse(all(l));
} else l = calc(lf[pos]);
if (rt[pos] < 0){
int vl = -rt[pos];
r.clear();
while (vl > 0){
r.PB((vl & 1));
vl >>= 1;
}
reverse(all(r));
} else r = calc(rt[pos]);
if (sz(r) == sz(l)){
bool fi = 1;
for (int i = 0; i < sz(l) && fi; i++){
if (r[i] == l[i]) continue;
if (l[i] < r[i]) fi = 0;
break;
}
if (fi){
l.PB(0);
return l;
} else {
r.PB(0);
return r;
}
} else if (sz(r) > sz(l)){
r.PB(0);
return r;
} else {
l.PB(0);
return l;
}
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
freopen("in.txt","r",stdin);
#endif // _LOCAL
cin >> n;
for (int i = 1; i <= n; i++)
cin >> lf[i] >> rt[i];
vector<bool> res = calc(1);
for (int cr : res)
cout << cr;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
7 ms |
2432 KB |
Output is correct |
12 |
Correct |
8 ms |
1920 KB |
Output is correct |
13 |
Correct |
36 ms |
11136 KB |
Output is correct |
14 |
Correct |
69 ms |
23032 KB |
Output is correct |
15 |
Correct |
53 ms |
1208 KB |
Output is correct |
16 |
Correct |
225 ms |
55416 KB |
Output is correct |
17 |
Correct |
508 ms |
114040 KB |
Output is correct |
18 |
Correct |
524 ms |
132344 KB |
Output is correct |
19 |
Correct |
589 ms |
82424 KB |
Output is correct |
20 |
Runtime error |
384 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |