Submission #632224

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632224	2022-08-19 16:38:31	gs14004	Bread First Search (CCO21_day2problem2)	C++17	11 / 25	2086 ms	5584 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pi = pair<int, int>;
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
const int MAXN = 1005;
const int mod = 1e9 + 7;
int main(){ 
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, m;
  cin >> n >> m;
  vector<int> L(n, 1e9), R(n, -1e9), dp(n + 1), nxt(n, 1e9);
  for(int i = 0; i < m; i++){
    int u, v; cin >> u >> v;
    u--; v--;
    if(u > v) swap(u, v);
    R[u] = max(R[u], v);
    L[v] = min(L[v], u);
  }
  for(int i = 0; i < n; i++){
    nxt[i] = R[i];
    if(i) nxt[i] = max(nxt[i], nxt[i - 1]);
  }
  vector<pi> swp;
  for(int i = 0; i < n; i++) swp.emplace_back(min(i, L[i]), i);
  sort(all(swp)); 
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:37:7: warning: unused variable 'cnt' [-Wunused-variable]
   37 |   int cnt = 0;
      |       ^~~

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 0 / 14