Submission #307648

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
307648	2020-09-28 23:38:04	azberjibiou	Stations (IOI20_stations)	C++17	100 / 100	1199 ms	10688 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#define fir first
#define sec second
#define pii pair<int, int>
using namespace std;
const int mxN=100010;
int N;
vector <int> v[mxN], down[mxN];
int ans[mxN];
bool Chk[mxN];
int typ[mxN];
int sub[mxN];
void dfs1(int num, int typn)
{
    Chk[num]=true;
    typ[num]=typn;
    for(int ele : v[num])
    {
        if(Chk[ele])    continue;
        dfs1(ele, 1-typn);
        sub[num]+=sub[ele];
        down[num].push_back(ele);
    }
}
void dfs2(int num, int str, int fin)
{
    if(typ[num]==0) ans[num]=str++;
    else    ans[num]=fin--;
    for(int ele : down[num])
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         for(int i=0;i<c.size()-1;i++)
      |                     ~^~~~~~~~~~~

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