Submission #729336

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
729336	2023-04-23 20:06:24	stevancv	Two Currencies (JOI23_currencies)	C++14	100 / 100	478 ms	71116 KiB

currencies

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#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e5 + 2;
const int M = 20 * N;
const int inf = 1e9;
vector<pair<int, int>> g[N];
int par[N][17], in[N], out[N], tsz, psz;
void Dfs(int s, int e) {
    par[s][0] = e;
    for (int i = 1; i < 17; i++) par[s][i] = par[par[s][i - 1]][i - 1];
    in[s] = ++tsz;
    for (auto u : g[s]) {
        if (u.first != e) {
            Dfs(u.first, s);
        }
    }
    out[s] = tsz;
}
bool Ancestor(int u, int v) {
    return in[u] <= in[v] && out[v] <= out[u];
}
int Lca(int u, int v) {
    if (Ancestor(u, v)) return u;
    if (Ancestor(v, u)) return v;
 
 
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Compilation message (stderr)

currencies.cpp: In function 'void Add(int&, int, int, int, int, int, int)':
currencies.cpp:44:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   44 |     int mid = l + r >> 1;
      |               ~~^~~
currencies.cpp: In function 'void Find(int, int, int, int, int, long long int)':
currencies.cpp:55:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |     int mid = l + r >> 1;
      |               ~~^~~
currencies.cpp: In function 'void Dfs1(int, int)':
currencies.cpp:69:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |         for (int i = 0; i < dat[nesto].size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32