#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
using ll = long long;
const ll mod = 1e9+7;
const int maxn = 1e5 + 5;
int n, x[maxn], y[maxn];
int m;
int a[maxn], b[maxn], c[maxn];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n;
for (int i=0; i<n-1; i++) {
cin>>x[i]>>y[i];
assert(x[i]==i+1);
assert(y[i]==i+1+1);
}
cin>>m;
for (int i=0; i<m; i++) {
cin>>a[i]>>b[i]>>c[i];
if (a[i]>b[i]) swap(a[i],b[i]);
}
// assume subtask 2
vector<pair<int,int>> v;
for (int i=0; i<m; i++) {
v.push_back({b[i],a[i]});
}
int hi = -1;
int res = 0;
sort(v.begin(),v.end());
for (auto p: v) {
int l = p.second;
int r = p.first;
if (l>hi) {
res++;
//cout<<l<<","<<r<<endl;
hi = max(hi, r);
}
}
cout<<res<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
55 ms |
5876 KB |
Output is correct |
5 |
Correct |
56 ms |
5876 KB |
Output is correct |
6 |
Correct |
54 ms |
6004 KB |
Output is correct |
7 |
Correct |
54 ms |
5876 KB |
Output is correct |
8 |
Correct |
55 ms |
5868 KB |
Output is correct |
9 |
Correct |
56 ms |
5876 KB |
Output is correct |
10 |
Correct |
58 ms |
5876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
55 ms |
5876 KB |
Output is correct |
5 |
Correct |
56 ms |
5876 KB |
Output is correct |
6 |
Correct |
54 ms |
6004 KB |
Output is correct |
7 |
Correct |
54 ms |
5876 KB |
Output is correct |
8 |
Correct |
55 ms |
5868 KB |
Output is correct |
9 |
Correct |
56 ms |
5876 KB |
Output is correct |
10 |
Correct |
58 ms |
5876 KB |
Output is correct |
11 |
Incorrect |
13 ms |
1280 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
544 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |