# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
45331 | 2018-04-12T22:15:26 Z | imaxblue | Triumphal arch (POI13_luk) | C++17 | 1064 ms | 33592 KB |
#include <bits/stdc++.h> using namespace std; #define ll long long #define mp make_pair #define pb push_back #define x first #define y second #define pii pair<int, int> #define p3i pair<pii, int> #define pll pair<ll, ll> #define p3l pair<pll, ll> #define vi vector<int> #define vpii vector<pii> #define vp3i vector<p3i> #define vpll vector<pll> #define vp3l vector<p3l> #define lseg L, (L+R)/2, N*2+1 #define rseg (L+R)/2+1, R, N*2+2 #define ub upper_bound #define lb lower_bound #define pq priority_queue #define MN 1000000007 #define fox(k, x) for (int k=0; k<x; ++k) #define fox1(k, x) for (int k=1; k<=x; ++k) #define foxr(k, x) for (int k=x-1; k>=0; --k) #define fox1r(k, x) for (int k=x; k>0; --k) #define ms multiset #define flood(x) memset(x, 0x3f3f3f3f, sizeof x) #define drain(x) memset(x, 0, sizeof x) #define rng() ((rand() << 14)+rand()) #define scan(X) do{while((X=getchar())<'0'); for(X-='0'; '0'<=(_=getchar()); X=(X<<3)+(X<<1)+_-'0');}while(0) char _; #define pi 3.14159265358979323846 #define siz(x) ((int)(x.size())) #define int ll int n, x, y, lo, mid, hi=300000; vector<int> v[300005]; ll dfs(int N, int P){ ll D=0; if (D<0) return 0; fox(l, v[N].size()){ if (v[N][l]==P) continue; D+=dfs(v[N][l], N)+1; } return max(0LL, D-mid); } int32_t main(){ scanf("%lli", &n); fox(l, n-1){ scanf("%lli%lli", &x, &y); v[x].pb(y); v[y].pb(x); } while(lo<hi){ mid=(lo+hi)/2; if (dfs(1, -1)==0) hi=mid; else lo=mid+1; } mid=150000; //cout << dfs(1, 0, -1) << endl; cout << lo; return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 7288 KB | Output is correct |
2 | Correct | 8 ms | 7524 KB | Output is correct |
3 | Correct | 7 ms | 7524 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 7524 KB | Output is correct |
2 | Correct | 8 ms | 7524 KB | Output is correct |
3 | Correct | 8 ms | 7580 KB | Output is correct |
4 | Correct | 8 ms | 7580 KB | Output is correct |
5 | Correct | 10 ms | 7580 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 7604 KB | Output is correct |
2 | Correct | 7 ms | 7732 KB | Output is correct |
3 | Correct | 7 ms | 7732 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 7732 KB | Output is correct |
2 | Correct | 9 ms | 7732 KB | Output is correct |
3 | Correct | 8 ms | 7800 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 18 ms | 8108 KB | Output is correct |
2 | Correct | 19 ms | 8276 KB | Output is correct |
3 | Correct | 14 ms | 8364 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 42 ms | 9116 KB | Output is correct |
2 | Correct | 43 ms | 10156 KB | Output is correct |
3 | Correct | 23 ms | 10156 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 232 ms | 12620 KB | Output is correct |
2 | Correct | 230 ms | 13768 KB | Output is correct |
3 | Correct | 67 ms | 13768 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 570 ms | 16484 KB | Output is correct |
2 | Correct | 564 ms | 22052 KB | Output is correct |
3 | Correct | 282 ms | 22052 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 967 ms | 25516 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1034 ms | 25516 KB | Output is correct |
2 | Correct | 1064 ms | 32632 KB | Output is correct |
3 | Correct | 395 ms | 33592 KB | Output is correct |