Submission #1212314

#	Time	Username	Problem	Language	Result	Execution time	Memory
1212314		StefanSebez	Genetics (BOI18_genetics)	C++20	0 / 100	2094 ms	3392 KiB

genetics

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int N=4110,S=6;
int n,m,K;
string s[N];
bool was[N];
int dist[N][N];
int Get(int i,int j){
	if(dist[i][j]) return dist[i][j];
	int res=0;
	for(int k=0;k<m;k++) if(s[i][k]!=s[j][k]) res++;
	return dist[i][j]=res;
}
int main(){
    scanf("%i%i%i",&n,&m,&K);
    for(int i=0;i<n;i++) cin>>s[i];
    while(1){
		vector<int>ind;
		for(int i=0;i<n;i++){
			if(!was[i]) ind.pb(i);
			if(ind.size()>=S) break;
		}
		if(ind.size()<S) break;
        for(auto i:ind){
			for(auto j:ind){
				if(i>=j) continue;
				if(Get(i,j)!=K) was[i]=was[j]=true;
			}
        }
    }
    for(int i=0;i<n;i++){
		if(was[i]) continue;
		for(int j=0;j<n;j++){
			if(i==j) continue;
			if(Get(i,j)!=K) was[i]=was[j]=true;
		}
    }
    int res=0;
    for(int i=0;i<n;i++) if(!was[i]) res=i;
    res++;
    printf("%i\n",res);
    return 0;
}

Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%i%i%i",&n,&m,&K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 27
• Subtask 2: 0 / 19
• Subtask 3: 0 / 28
• Subtask 4: 0 / 26