Submission #136986

#	Time	Username	Problem	Language	Result	Execution time	Memory
136986		DanerZein	Shortcut (IOI16_shortcut)	C++14	0 / 100	2 ms	376 KiB

shortcut

#include "shortcut.h"
#include <bits/stdc++.h>
#define MA 5100000000000000010
using namespace std;
long long ne,N;
long long MAX=MA;
vector<int> di,s;
long long diam(int a,int b){
  long long r=-1;
  for(int i=0;i<N;i++){
    for(int j=i+1;j<N;j++){
      long long op1=di[i]+di[j]+abs(s[j]-s[i]);
      long long op2=(di[i]+di[j]+abs(s[i]-s[a])+abs(s[j]-s[b])+ne);
      if(op1<0) op1=MAX;
      if(op2<0) op2=MAX;
      r=max(r,min(op1,op2));
      //  cout<<op1<<" "<<op2<<endl;
    }
  }
  return r;
}
long long find_shortcut(int  n, std::vector<int> l, std::vector<int> d, int c){ 
  ne=c;
  N=n;
  long long acum=0;
  for(int i=0;i<=l.size();i++){
    s.push_back(acum);
    acum+=l[i];
  }
  di=d;
  long long mi=MAX;
  for(int i=0;i<n;i++){
      for(int j=i+1;j<n;j++){
	long long rp=diam(i,j);
	mi=min(rp,mi);
      }
    }
	return mi;
}

Compilation message (stderr)

shortcut.cpp: In function 'long long int find_shortcut(int, std::vector<int>, std::vector<int>, int)':
shortcut.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=l.size();i++){
               ~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 14
• Subtask 3: 0 / 8
• Subtask 4: 0 / 7
• Subtask 5: 0 / 33
• Subtask 6: 0 / 22
• Subtask 7: 0 / 4
• Subtask 8: 0 / 3