Submission #124610

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
124610	2019-07-03 15:02:34	deinfreund	Sightseeing (NOI14_sightseeing)	C++14	0 / 25	3527 ms	97324 KiB

sightseeing

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#include <bits/stdc++.h>
using namespace std;
vector<vector<pair<int, int>> > conns;
vector<int> ind;
vector<bool> needed;
vector<int> res;
int remaining;
void dijkstra(int node, int maxcost, int cost){
  //cerr << "@" << node << " for " << cost << " until " << maxcost << endl;
  if (needed[node]){
    needed[node] = 0;
    remaining --;
    res[node] = cost;
  }
  if (remaining <= 0) return;
  int i =  ind[node];
  for (;ind[node] < conns[node].size() && conns[node][ind[node]].first < maxcost;){
    i = ind[node] ++;
    dijkstra(conns[node][i].second, min(maxcost, (i < (conns[node].size() - 1)) ? conns[node][i + 1].first : 1000000000), max(conns[node][i].first, cost));
    if (remaining <= 0) return;
  }
}
int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
 
 
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Compilation message (stderr)

sightseeing.cpp: In function 'void dijkstra(int, int, int)':
sightseeing.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (;ind[node] < conns[node].size() && conns[node][ind[node]].first < maxcost;){
sightseeing.cpp:23:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     dijkstra(conns[node][i].second, min(maxcost, (i < (conns[node].size() - 1)) ? conns[node][i + 1].first : 1000000000), max(conns[node][i].first, cost));
                                                   ~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 5
• Subtask 3: 0 / 6
• Subtask 4: 0 / 10