Submission #1005301

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1005301	2024-06-22 10:06:50	Essa2006	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	517 ms	66772 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define FF first
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)
const int inf = 1e9, lg = 20;
int n, m, p, time_;
vector<int> Vis, up, dpth, upx, upy, dis, fin, U, V;
vector<vector<int>> A, X, Y, Lca;
map<array<int, 2>, int> dir, has, go;
void pre() {
    Vis.resize(n + 1), up.resize(n + 1, inf), dpth.resize(n + 1, inf), upx.resize(n + 1, inf), upy.resize(n + 1, inf), dis.resize(n + 1), fin.resize(n + 1), U.resize(m), V.resize(m);
    A.resize(n + 1), X.resize(n + 1), Y.resize(n + 1), Lca.resize(n + 1, vector<int>(lg + 1));
}
int lca(int u, int v) {
    if (dpth[u] > dpth[v]) {
        swap(u, v);
    }
    // u
    // v
    for (int i = lg; i >= 0; i--) {
 
 
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Compilation message (stderr)

oneway.cpp: In function 'void dfs(int, int)':
oneway.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |     for (int i = 0; i < X[u].size(); i++) {
      |                     ~~^~~~~~~~~~~~~
oneway.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for (int i = 0; i < Y[u].size(); i++) {
      |                     ~~^~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40