Submission #406730

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
406730	2021-05-18 03:52:48	casperwang	Wiring (IOI17_wiring)	C++14	0 / 100	1 ms	236 KiB

wiring

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#include "wiring.h"
#include <bits/stdc++.h>
#define ll long long
#define pb emplace_back
#define All(x) x.begin(), x.end()
#define pii pair<int,int>
#define ff first
#define ss second
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }
vector<pii> build(vector<int> r, vector<int> b) {
  vector<pii> arr;
  for (int i : r) arr.pb(i, 0);
  for (int i : b) arr.pb(i, 1);
  sort(All(arr));
  return arr;
}
ll min_total_length(vector<int> r, vector<int> b) {
  vector<pii> arr = build(r, b);
  vector<ll> dp(arr.size()+1);
  int kL, kR;
  ll inc;
  bool flag = false;
  for (int i = 0; i < arr.size(); i++) {
    if (flag) {
 
 
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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:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for (int i = 0; i < arr.size(); i++) {
      |                  ~~^~~~~~~~~~~~
wiring.cpp:41:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   if (i+1 < arr.size() && arr[i].ss != arr[i+1].ss) {
      |       ~~~~^~~~~~~~~~~~
wiring.cpp:42:7: warning: 'kR' may be used uninitialized in this function [-Wmaybe-uninitialized]
   42 |    kL = kR + 1, kR = i;
      |    ~~~^~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45