Submission #830849

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
830849	2023-08-19 11:40:03	vjudge1	Construction of Highway (JOI18_construction)	C++17	100 / 100	221 ms	86092 KiB

construction

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#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N = 100100;
vector < int > adj[N];
int sz[N], head[N], up[N], depth[N], C[N];
deque < pair < int, int > > HLD[N];
vector < pair < int, int > > V, edges; 
ll tree[N];
stack < pair < int, int > > st;
void upd(int pos, int val) {
    for(; pos < N; tree[pos] += val, pos += -pos&pos);
}
ll sum(int x) {
    ll ans = 0;
    for(; x; ans += tree[x], x ^= -x&x);
    return ans;
}
 
 
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Compilation message (stderr)

construction.cpp:91:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   91 | main() {
      | ^~~~

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84