Submission #871085

#	Time	Username	Problem	Language	Result	Execution time	Memory
871085		blacktulip	Sajam (COCI18_sajam)	C++17	90 / 90	17 ms	6376 KiB

sajam

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long lo; 
 
#define fi first
#define se second
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
 
const lo inf = 1000000000;
const lo li = 1005;
const lo mod = 1000000007;
 
int n,m,a[li][li],k,flag,t,acik[li],tut[li];
int cev;
string s[li];
vector<int> v;
 
int main(void){
	fio();
	cin>>n>>k;
	FOR cin>>s[i];
	//~ if(k>(n+1)/2){cout<<"DA\n";return 0;}
	FOR{
		for(int j=0;j<n;j++){
			if(s[i][j]=='o')a[i][j]=1;
		}
	}
	//~ for(int ii=1;ii<=n;ii++){
	int ii=1;
		cev=0;
		for(int i=1;i<=n;i++){
			if(i==ii)continue;
			int say=0;
			for(int j=0;j<n;j++){
				if((a[ii][j]^a[i][j]))say++;
			}
			tut[i]=say;
			cev+=min(say,n-say);
			//~ cout<<i<<" ()() "<<cev<<endl;
		}
		v.clear();
		for(int j=0;j<n;j++){
			int yes=0;
			for(int i=1;i<=n;i++){
				if(i==ii)continue;
				if(a[ii][j]!=a[i][j]){
					if(tut[i]>=n-tut[i])yes--;
					else yes++;
				}
				else{
					if(tut[i]>n-tut[i])yes++;
					else yes--;
				}
			}
			v.pb(yes);
		}
		sort(v.begin(),v.end());
		reverse(v.begin(),v.end());
		int sayac=0,say2=0;
		if(cev<=k){cout<<"DA\n";return 0;}
		for(auto go:v){
			sayac++;
			say2+=go;
			//~ cout<<say2<<" :: "<<sayac<<" :: "<<cev<<endl;
			if(cev-say2<=k){cout<<"DA\n";return 0;}
		}
	//~ }
	cout<<"NE\n";
	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 15 / 15
• Subtask 6: 15 / 15