Submission #220496

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
220496	2020-04-08 02:16:23	arnold518	Collapse (JOI18_collapse)	C++14	100 / 100	12599 ms	19064 KiB

collapse

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#include "collapse.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e5;
const int SQ = 2000;
struct Query { int t, x, y, p; };
int N, C, Q;
Query A[MAXN+10], B[MAXN+10], V[MAXN*2+10];
vector<int> ans;
struct UF
{
  int par[MAXN+10], sz[MAXN+10];
  vector<int> S;
  void init()
  {
    int i, j;
    S.clear();
    for(i=1; i<=N; i++) par[i]=i, sz[i]=1;
  }
  int Find(int x) { return x==par[x] ? x : Find(par[x]); }
  int Union(int x, int y)
  {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

collapse.cpp: In member function 'void UF::init()':
collapse.cpp:24:10: warning: unused variable 'j' [-Wunused-variable]
   int i, j;
          ^
collapse.cpp: In function 'std::vector<int> simulateCollapse(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
collapse.cpp:100:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(; j<E1.size() && E1[j].second<=V[it].x; j++) uf.Union(E1[j].first, E1[j].second);
          ~^~~~~~~~~~
collapse.cpp:125:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(; j<E1.size() && E1[j].first>V[it].x; j++) uf.Union(E1[j].first, E1[j].second);
          ~^~~~~~~~~~
collapse.cpp:48:12: warning: unused variable 'k' [-Wunused-variable]
  int i, j, k, p, q;
            ^
collapse.cpp:48:18: warning: unused variable 'q' [-Wunused-variable]
  int i, j, k, p, q;
                  ^

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35