Submission #51167

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
51167	2018-06-17 03:17:14	aome	Wiring (IOI17_wiring)	C++17	100 / 100	124 ms	15520 KiB

wiring

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#include <bits/stdc++.h>
#include "wiring.h"
using namespace std;
const long long INF = 1e18;
  
vector< vector<int> > group;
vector< vector<long long> > sum, dp;
vector< pair<int, int> > vec;
void upd(long long &x, long long y) { x = min(x, y); }
inline long long get(int id, int l, int r) {
  return sum[id][r] - sum[id][l - 1];
}
long long min_total_length(vector<int> r, vector<int> b) {
  for (auto i : r) vec.push_back({i, 0});
  for (auto i : b) vec.push_back({i, 1});
  sort(vec.begin(), vec.end());
  for (int i = 0; i < vec.size(); ++i) {
    int j = i;
    int id = group.size();
    group.push_back(vector<int>());
    sum.push_back(vector<long long>());
    dp.push_back(vector<long long>());
 
 
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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:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < vec.size(); ++i) {
                  ~~^~~~~~~~~~~~
wiring.cpp:31:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (j < vec.size() && vec[j].second == vec[i].second) {
          ~~^~~~~~~~~~~~
wiring.cpp:56:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (sz - j <= group[i + 1].size()) {
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
wiring.cpp:67:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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