Submission #115437

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
115437	2019-06-07 13:28:36	dsjong	Meetings (IOI18_meetings)	C++14	36 / 100	684 ms	196736 KiB

meetings

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#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
long long rsq[5005][5005];
int cnt[100005];
int idx[100005];
vector<int>highs;
vector<int>nhighs;
int st[100005][20];
int query(int l,int r){
  if(l>r) return 0;
  int m=log2(r-l+1);
  //cout<<l<<" "<<r<<": "<<max(st[l][m],st[r-(1<<m)+1][m])<<endl;
  return max(st[l][m],st[r-(1<<m)+1][m]);
}
vector<long long> minimum_costs(vector<int> H, vector<int> L, vector<int> R){
  vector<long long>ret;
  int N=H.size();
  if(N<=5000){
    memset(rsq,0,sizeof rsq);
    for(int i=0;i<N;i++){
      int maxi=H[i];
      rsq[i][i]=H[i];
      for(int j=i-1;j>=0;j--){
        maxi=max(maxi,H[j]);
        rsq[i][j]=rsq[i][j+1]+maxi;
      }
      maxi=H[i];
      for(int j=i+1;j<N;j++){
        maxi=max(maxi,H[j]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

meetings.cpp: In function 'std::vector<long long int> minimum_costs(std::vector<int>, std::vector<int>, std::vector<int>)':
meetings.cpp:34:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int q=0;q<L.size();q++){
               ~^~~~~~~~~
meetings.cpp:65:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int q=0;q<L.size();q++){
               ~^~~~~~~~~
meetings.cpp:44:7: warning: unused variable 'last' [-Wunused-variable]
   int last=-1;
       ^~~~
meetings.cpp:81:4: warning: label 'hell' defined but not used [-Wunused-label]
    hell:;
    ^~~~

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 17 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40