Submission #443778

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
443778	2021-07-12 05:29:05	impri	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	0 / 100	1 ms	756 KiB

skyscraper

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#include<bits/stdc++.h>
using namespace std;
int main(void){
int n,m;
int arr[30001][2];
cin >> n >> m;
for(int i=0;i<m;i++)
    cin >> arr[i][0] >> arr[i][1];
long long dist[30001];
dist[0]=0;
for(int i=1;i<m;i++)
    dist[i]=10e15;
priority_queue<pair<int,int> >q;
q.push({0,0});
while(!q.empty()){
    int cur=q.top().second;
    int curdist=-q.top().first;
    q.pop();
    for(int i=1;i<=m;i++){
        if(abs(arr[cur][0]-arr[i][0])%arr[cur][1]!=0){
            continue;
        }
         int nxtdist=abs(arr[cur][0]-arr[i][0])/arr[cur][1];
         if(curdist+nxtdist<dist[i]){
          dist[i]=curdist+nxtdist;
          q.push({-dist[i],i});
         }
    }
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 43