Submission #91497

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
914972018-12-27 21:04:32MilkiPaprike (COI18_paprike)C++14
100 / 100
84 ms43932 KiB
#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
typedef long long ll;
typedef pair<int, int> point;
const int MAXN = 1e5 + 5;
int n, k, cost[MAXN], sol;
vector <int> E[MAXN];
void dfs(int x, int p = -1){
vector <int> tmp;
for(auto e : E[x]){
if(e == p) continue;
dfs(e, x);
tmp.pb(cost[e]);
}
sort(tmp.begin(), tmp.end());
for(auto it : tmp)
if(cost[x] + it > k)
sol ++;
else
cost[x] += it;
 
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