Submission #838044

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
838044	2023-08-26 06:13:47	Kerim	Wiring (IOI17_wiring)	C++17	100 / 100	47 ms	11812 KiB

wiring

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#include "wiring.h"
#include "bits/stdc++.h"
#define ff first 
#define ss second
#define ll long long
using namespace std;
const ll B = 1e16;
void make(vector<ll>&v, int sz){
  v.resize(sz);
  for (int i = 0; i < sz; i++) 
    v[i] = B;
}
ll min_total_length(vector<int> r, vector<int> b) {
  vector<pair<int,int> > v;
  vector<vector<int> > d;
  vector<int> sz; 
  for (auto x: r) v.push_back({x, 0});
  for (auto x: b) v.push_back({x, 1});
  sort(v.begin(), v.end());
  for (int i = 0; i < v.size(); i++){
    int j = i;
    vector<int> g{-1};
    while (j < v.size() and v[i].ss == v[j].ss)
      g.push_back(v[j++].ff);
    d.push_back(g);
    sz.push_back(j - i);
    i = j - 1;
  }
  int n = d.size();
  vector<ll> dp, odp;
 
 
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Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i = 0; i < v.size(); i++){
      |                  ~~^~~~~~~~~~
wiring.cpp:23:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   while (j < v.size() and v[i].ss == v[j].ss)
      |          ~~^~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 45 / 45