Submission #302417

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
302417	2020-09-18 16:32:14	bensonlzl	Sorting (IOI15_sorting)	C++14	74 / 100	48 ms	13176 KiB

sorting

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#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pi;
int n, m, x[100005], y[100005], s[100005];
vector<pi> swaps;
bool sortable(int limit){
  //cerr << "STARTING " << limit << '\n';
  swaps.clear();
  vector<int> p(n), rev(n);
  vector<int> fp(n);
  vector<int> vis(n,0);
  vector<pi> temp;
  for (int i = 0; i < n; ++i){
    p[i] = i;
  }
  for (int i = 0; i < limit; ++i){
    swap(p[x[i]],p[y[i]]);
  }
  for (int i = 0; i < n; ++i){
    fp[i] = s[p[i]];
  }
  for (int i = 0; i < n; ++i){
    if (!vis[i]){
      vis[i] = 1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

sorting.cpp: In function 'bool sortable(int)':
sorting.cpp:39:18: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |  if (temp.size() > limit) return false;
      |      ~~~~~~~~~~~~^~~~~~~
sorting.cpp:40:21: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |  while (temp.size() < limit) temp.push_back(pi(0,0));
      |         ~~~~~~~~~~~~^~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 20 / 20
• Subtask 6: 0 / 26