Submission #151420

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
151420	2019-09-02 19:47:49	TadijaSebez	날다람쥐 (JOI14_ho_t4)	C++11	100 / 100	283 ms	17820 KiB

2014_ho_t4

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int N=100050;
const ll inf=9e18;
int h[N],hi[N],n,m,X;
ll dist[N][2];
vector<pair<int,int>> E[N];
void Dijkstra()
{
  hi[1]=X;
  for(int i=2;i<=n;i++) dist[i][0]=dist[i][1]=inf;
  dist[1][0]=0;dist[1][1]=X;
  priority_queue<pair<ll,int>> pq;
  pq.push({0,1});
  pq.push({-X,-1});
  while(pq.size())
  {
    int u=pq.top().second;
    ll d=-pq.top().first;
    pq.pop();
    int t=u<0?1:0;
    u=abs(u);
    if(dist[u][t]!=d) continue;
    int H;
    if(t==1) H=0;
    else H=hi[u];
    for(auto e:E[u])
    {
 
 
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Compilation message (stderr)

2014_ho_t4.cpp: In function 'int main()':
2014_ho_t4.cpp:57:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i %i",&n,&m,&X);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
2014_ho_t4.cpp:58:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%i",&h[i]);
                        ~~~~~^~~~~~~~~~~~
2014_ho_t4.cpp:61:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i %i %i",&u,&v,&w);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 50 / 50