제출 #777455

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
777455		vjudge1	Sajam (COCI18_sajam)	C++17	15 / 90	19 ms	4328 KiB

sajam

#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);
//#define endl "\n"
#define ll long long
#define pb push_back
#define N 1005
#define f first
#define s second
#define M 17
int dp[N];
int main(){
	int n,k;cin>>n>>k;
	int ilk[n];
	string str;cin>>str;
	for(int i=0;i<n;i++){
		ilk[i]=(str[i]=='o');
	}
	int arr[n-1][n];
	for(int i=0;i<n-1;i++){
		cin>>str;
		for(int j=0;j<n;j++){
			int a=(str[j]=='o');
			arr[i][j]=ilk[j]^a;
		}
	}
	ll int cev=0;
	for(int i=0;i<n-1;i++){
		for(int j=0;j<n;j++){
			dp[i]+=arr[i][j];
		}
		if(dp[i]<=n-dp[i])cev+=dp[i];
		else cev+=(n-dp[i]);
	}
	if(cev<=k){
		cout<<"DA"<<endl;
		return 0;
	}


	for(int i=0;i<n;i++){
		int fark=0;
		for(int j=0;j<n-1;j++){
			if(dp[j]==n-dp[j]){
				fark--;continue;
			}
			if(arr[j][i]){
				if(dp[j]>n-dp[j])fark--;
				else fark++;
				continue;
			}
			if(dp[j]>n-dp[j])fark++;
			else fark--;
		}
		if(fark<0){
			cev+=fark;
		}

	}
	if(cev<=k)cout<<"DA"<<endl;
	else cout<<"NE"<<endl;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15