#include <bits/stdc++.h>
using namespace std;
#define scd(t) scanf("%d", &t)
#define scld(t) scanf("%ld", &t)
#define sclld(t) scanf("%lld", &t)
#define scc(t) scanf("%c", &t)
#define scs(t) scanf("%s", t)
#define scf(t) scanf("%f", &t)
#define sclf(t) scanf("%lf", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long int li;
typedef unsigned long int uli;
typedef long long int lli;
typedef unsigned long long int ulli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;
void usaco()
{
freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
// freopen("problem.out", "w", stdout);
}
vii vec;
lli tot = 0;
string m_str(string &x, string &y) {
if(x.size() > y.size()) return x;
else if(y.size() > x.size()) return y;
else return max(x, y);
}
string bin_str(int tot) {
string out;
while(tot) {
if(tot % 2 == 1) {
out += '1';
}
else out += '0';
tot /= 2;
}
reverse(all(out));
return out;
}
string dfs(int x) {
string l, r;
if(vec[x].f > 0) {
l = dfs(vec[x].f);
}
else l = bin_str(abs(vec[x].f));
if(vec[x].s > 0) {
r = dfs(vec[x].s);
}
else r = bin_str(abs(vec[x].s));
return m_str(l, r) + '0';
}
int main() {
// usaco();
int n;
scd(n);
vec = vii(n+1);
forr(i, 1, n+1) {
int l, r;
scd(l);
scd(r);
vec[i] = mp(l, r);
// if(l < 0) tot += -l;
// if(r < 0) tot += -r;
}
string out = dfs(1);
cout << out;
// while(tot) {
// if(tot % 2 == 1) {
// out += '1';
// }
// else out += '0';
// tot /= 2;
// }
// reverse(all(out));
// bool one = false;
// for(auto e : out) {
// if(e == '1') one = true;
// if(one) cout << e;
// }
}
Compilation message
poklon.cpp: In function 'void usaco()':
poklon.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
37 | freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poklon.cpp: In function 'int main()':
poklon.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
poklon.cpp:80:5: note: in expansion of macro 'scd'
80 | scd(n);
| ^~~
poklon.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
poklon.cpp:85:9: note: in expansion of macro 'scd'
85 | scd(l);
| ^~~
poklon.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
poklon.cpp:86:9: note: in expansion of macro 'scd'
86 | scd(r);
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
500 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
6 ms |
1880 KB |
Output is correct |
12 |
Correct |
7 ms |
1368 KB |
Output is correct |
13 |
Correct |
38 ms |
8024 KB |
Output is correct |
14 |
Correct |
109 ms |
16464 KB |
Output is correct |
15 |
Correct |
44 ms |
1112 KB |
Output is correct |
16 |
Correct |
503 ms |
39760 KB |
Output is correct |
17 |
Execution timed out |
1043 ms |
81556 KB |
Time limit exceeded |
18 |
Execution timed out |
1039 ms |
94288 KB |
Time limit exceeded |
19 |
Execution timed out |
1036 ms |
60240 KB |
Time limit exceeded |
20 |
Runtime error |
331 ms |
262144 KB |
Execution killed with signal 9 |