Submission #364914

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
364914	2021-02-10 12:47:10	mario05092929	Stations (IOI20_stations)	C++14	100 / 100	1085 ms	1448 KiB

stations

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "stations.h"
#include <bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define all(v) v.begin(),v.end()
#pragma gcc optimize("O3")
#pragma gcc optimize("Ofast")
#pragma gcc optimize("unroll-loops")
using namespace std;
const int INF = 1e9;
const int TMX = 1 << 18;
const long long llINF = 2e18;
const long long mod = 1e9+7;
const long long hashmod = 100003;
const int MAXN = 100000;
const int MAXM = 1000000;
typedef long long ll;
typedef long double ld;
typedef pair <int,int> pi;
typedef pair <ll,ll> pl;
typedef vector <int> vec;
typedef vector <pi> vecpi;
typedef long long ll;
int co,n,k;
vec v[1005];
vec la;
void dfs(int x,int pr,int dep) {
    if(dep % 2) la[x] = ++co;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

stations.cpp:7: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    7 | #pragma gcc optimize("O3")
      | 
stations.cpp:8: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    8 | #pragma gcc optimize("Ofast")
      | 
stations.cpp:9: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    9 | #pragma gcc optimize("unroll-loops")
      | 
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:46:28: warning: unused variable 'isroot' [-Wunused-variable]
   46 |     int isin = (s < c[0]), isroot = (s == 1);
      |                            ^~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61