Submission #330266

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
330266	2020-11-24 10:33:50	nandonathaniel	Martian DNA (BOI18_dna)	C++14	100 / 100	134 ms	12672 KiB

dna

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#include<bits/stdc++.h>
using namespace std;
 
int mini[200005],byk[200005];
int s[200005];
int main(){
  ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n,k,r,x,y;
    cin >> n >> k >> r;
    for(int i=0;i<n;i++)cin >> s[i];
    for(int i=1;i<=r;i++){
      cin >> x >> y;
      mini[x]=y;
  }
  set<int> valid;
  for(int i=0;i<k;i++){
    if(mini[i]==0)valid.insert(i);
  }
  int ans=n+1,awal=0,akhir=0;
    byk[s[0]]++;
    if(byk[s[0]]==mini[s[0]])valid.insert(s[0]);
    while(awal<=akhir && akhir<n){
      bool stat=(valid.size()==k);
      if(!stat){
        if(akhir<n-1){
          akhir++;
          byk[s[akhir]]++;
          if(byk[s[akhir]]==mini[s[akhir]])valid.insert(s[akhir]);
      }
 
 
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Compilation message (stderr)

dna.cpp: In function 'int main()':
dna.cpp:24:29: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |      bool stat=(valid.size()==k);
      |                 ~~~~~~~~~~~~^~~

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