Submission #100121

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
100121	2019-03-09 10:22:06	TadijaSebez	Jakarta Skyscrapers (APIO15_skyscraper)	C++11	100 / 100	894 ms	6256 KiB

skyscraper

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#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define ll long long
const int N=30050;
const ll inf=1e18;
ll dist[N];
vector<int> jump[N];
int my[N],p[N];
int main()
{
  int n,m,i;
  scanf("%i %i",&n,&m);
  for(i=1;i<=m;i++) scanf("%i %i",&my[i],&p[i]),my[i]++,jump[my[i]].push_back(p[i]);
  for(i=1;i<=n;i++) dist[i]=inf;
  priority_queue<pair<ll,int>> pq;
  pq.push(mp(0,my[1]));
  dist[my[1]]=0;
  while(pq.size())
  {
    ll d=-pq.top().first;
    int z=pq.top().second;
    pq.pop();
    if(d!=dist[z]) continue;
        for(int j:jump[z])
    {
      int cnt=1;
      for(int i=z+j;i<=n;i+=j)
      {
        if(dist[i]>dist[z]+cnt)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
skyscraper.cpp:14:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1;i<=m;i++) scanf("%i %i",&my[i],&p[i]),my[i]++,jump[my[i]].push_back(p[i]);
                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 43 / 43