Submission #916635

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
916635	2024-01-26 07:58:05	penguin133	Martian DNA (BOI18_dna)	C++17	100 / 100	37 ms	6996 KiB

dna

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, m, k, A[200005], req[200005], cur[200005];
void solve(){
  cin >> n >> m >> k;
  for(int i = 1; i <= n; i++)cin >> A[i];
  int cnt = 0;
  for(int i = 1; i <= k; i++){
    int a, b; cin >> a >> b;
    req[a] = max(req[a], b);
  }
  int ans = 1e18, l = 1;
  for(int i = 0; i < m; i++)if(!req[i])cnt++;
  for(int i = 1; i <= n; i++){
    cur[A[i]]++;
    if(cur[A[i]] == req[A[i]])cnt++;
    while(cnt == m){
      ans = min(ans, i - l + 1);
 
 
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Compilation message (stderr)

dna.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main(){
      | ^~~~

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32