Submission #122908

#	Time	Username	Problem	Language	Result	Execution time	Memory
122908		miguel	Genetics (BOI18_genetics)	C++14	27 / 100	890 ms	1784 KiB

genetics

#include<bits/stdc++.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <pi, int>
#define vi vector <int>
const ll mod = 1000000007;
#define int ll
int n, m, k;
string s[101];
bitset <4101> ss[4100];

int gcd(int a, int b){
    if(a==0) return b;
    else return gcd(b%a, a);
}

int32_t main(){
    ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
    cin>>n>>m>>k;
    if(n<=100 && m<=100){
        for(int i=1; i<=n; i++) cin>>s[i];
        for(int i=1; i<=n; i++){
            bool ctrl=1;
            for(int j=1; j<=n; j++){
                if(j!=i){
                    int dif=0;
                    for(int ix=0; ix<m; ix++)
                        if(s[i][ix]!=s[j][ix]) dif++;
                    if(dif!=k){
                        ctrl=0;
                        continue;
                    }
                }
            }
            if(ctrl) return cout<<i, 0;
        }
    }
    for(int i=0; i<n; i++){
        string xd;
        cin>>xd;
        for(int j=0; j<m; j++) ss[i]|=((1<<j)*(xd[j]=='A'));
    }
    for(int i=0; i<n; i++){
        bool ctrl=1;
        for(int j=0; j<n; j++){
            if(i==j) continue;
            if((ss[i]^ss[j]).count()!=k){
                //cout<<i<<" "<<j<<" "<<(ss[i]^ss[j]).count()<<endl;
                ctrl=0;
                continue;
            }
        }
        if(ctrl) return cout<<i+1, 0;
    }
}

Compilation message (stderr)

genetics.cpp: In function 'int32_t main()':
genetics.cpp:54:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if((ss[i]^ss[j]).count()!=k){
                ~~~~~~~~~~~~~~~~~~~~~^~~

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