Submission #526299

#	Time	Username	Problem	Language	Result	Execution time	Memory
526299		bebecanvas	Martian DNA (BOI18_dna)	C++14	Compilation error	0 ms	0 KiB

dna

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define endl '\n'
#define sz(x) (int) (x).size()

signed main(){
 
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
	int n, k, r; cin >> n >> k >> r;
	int v[200005]={0};
	int arr[200005];
	for(int i=0; i<n; i++){cin >> arr[i];}
	for(int i=0; i<k; i++){v[i]= -97874749478494;}
	for(int i=0; i<r; i++){
		int a, b; cin >> a >> b;
		v[a]= b;
	}
	
	int s= ;
	int e= n;
	bool yeaa= false;
	while(s<e){
		int mid= s+ (e-s)/2;
		int c[200005]={0};
		int count= 0;
		for(int i=0; i<mid; i++){
			c[arr[i]]++;
			if(c[arr[i]]==v[arr[i]]){count++;}
		}
		bool yea= false;
		if(count==r){yea= true;}
		for(int i=0; i<n- mid; i++){
			if(count==r){yea= true; yeaa= true; break;}
			c[arr[i]]--; 
			if(c[arr[i]]==v[arr[i]]-1){count--;}
			c[arr[i+mid]]++; 
			if(c[arr[i+mid]]==v[arr[i+mid]]){count++;}
		}
		if(count==r){yea= true; yeaa= true;}
		if(yea){e= mid;}
		else{s= mid+1;}
	}
	
	if(yeaa){cout << e << endl;}
	else{cout << "impossible" << endl;}
	
	
}

Compilation message (stderr)

dna.cpp: In function 'int main()':
dna.cpp:23:9: error: expected primary-expression before ';' token
   23 |  int s= ;
      |         ^