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Submission #640893

# Submission time Handle Problem Language Result Execution time Memory
640893 2022-09-15T13:39:50 Z andreast12 Kocka (COCI18_kocka) C++17
0 / 70
 31 ms 3692 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define pb push_back
const int mod=998244353, maxn=1e5+5;
int n, a[10][maxn], ki, ka, atas, bwh, pmin[maxn], pmax[maxn], cnt[maxn], paski[maxn];
bool ans=true;

int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	cin >> n;
	for(int i=1; i<=4; i++) {
		for(int j=1; j<=n; j++) cin >> a[i][j];
	}
	for(int i=0; i<=n; i++) pmin[i]=mod, pmax[i]=-1;
	for(int i=1; i<=n; i++) {
		ki=a[1][i], ka=a[2][i];
		if((ki==-1)^(ka==-1)) ans=false;
		if((ki==-1)&&(ka==-1)) continue;
		if(ki+ka+1<=n) {
			ki++, ka=n-ka;
			pmin[ki]=min(pmin[ki], i);
			pmin[ka+1]=min(pmin[ka+1], mod);
			pmax[ki]=max(pmax[ki], i);
			pmax[ka+1]=max(pmax[ka+1], -1);
			cnt[ki]++, cnt[ka+1]--, paski[ki]++;
		} else ans=false;
	} 
	for(int i=1; i<=n; i++) {
		cnt[i]+=cnt[i-1];
		if(cnt[i]==0||cnt[i]==paski[i]) continue;
		pmin[i]=min(pmin[i], pmin[i-1]);
		pmax[i]=max(pmax[i], pmax[i-1]);
	}
	for(int i=1; i<=n; i++) {
		atas=a[3][i], bwh=a[4][i];
		if((atas==-1)^(bwh==-1)) ans=false;
		if(atas==-1&&bwh==-1) {
			if(!(pmin[i]==mod&&pmax[i]==-1)) ans=false;
			else continue;
		}	
		if(!((atas==pmin[i]-1)&&(n-pmax[i]==bwh))) ans=false;
	}
	cout << ((ans)?"DA":"NE") << '\n';
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 3660 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 3576 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 3692 KB Output isn't correct
2 Halted 0 ms 0 KB -