Submission #1137397

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137397	2025-01-20 01:46:06	gyg	Roller Coaster Railroad (IOI16_railroad)	C++20	30 / 100	227 ms	33300 KiB

railroad

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#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define arr array
#define vec vector
#define pii pair<int, int>
#define fir first 
#define sec second
#define ub upper_bound 
const int N = 2e5 + 5, INF = 1e18;
int n;
arr<int, N> s, t;
struct Dsj {
    arr<int, N> prnt;
    void intl() {
        for (int u = 0; u <= n; u++) prnt[u] = u;
    }
    int pr(int u) {
        return (prnt[u] == u) ? u : prnt[u] = pr(prnt[u]);
    }
    void mrg(int u, int v) {
        u = pr(u), v = pr(v);
        assert(u != v);
        prnt[v] = u;
    }
} dsj;
set<pii> s_st, t_st;
 
 
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Compilation message (stderr)

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 30 / 30
• Subtask 4: 0 / 36