Submission #203422

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
203422	2020-02-20 15:14:30	karma	Cat in a tree (BOI17_catinatree)	C++14	51 / 100	1092 ms	25444 KiB

catinatree

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#include<bits/stdc++.h>
#define ll            long long
#define pb            emplace_back
#define fi            first
#define se            second
#define mp            make_pair
//#define int           int64_t
using namespace std;
typedef pair<int, int> pii;
const int N = (int)2e5 + 10;
int dep[N], n, d, p[N], ans = 0;
int in[N], out[N], T, u, cur, par, rem;
vector<int> adj[N];
vector<pii> v;
struct TSegment {
    vector<int> l, h, st, lz;
    int n, inf;
    void init(int _n, int d) {
        n = ++_n; inf = 2 * d; st.resize(n << 2, inf);
        l.resize(n << 2), h.resize(n << 2), lz.resize(n << 2, inf);
        --n; build(1, 1, n);
    }
    void build(int x, int low, int high) {
        l[x] = low, h[x] = high;
        if(l[x] == h[x]) return;
        int mid = (l[x] + h[x]) >> 1;
 
 
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Compilation message (stderr)

catinatree.cpp: In function 'int32_t main()':
catinatree.cpp:73:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &d); v.pb(0, 0);
     ~~~~~^~~~~~~~~~~~~~~~~
catinatree.cpp:75:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &p[i]);
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 40 / 40
• Subtask 3: 0 / 49