Submission #100866

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100866	2019-03-14T23:39:59 Z	Ort	Sajam (COCI18_sajam)	C++11	90 / 90	117 ms	5340 KB

sajam

#include<iostream>
#include<vector>
#include<string>
#define MAX 1010
     
using namespace std;

int n, k;
int mat[MAX][MAX];
char x;

void load() {
	for(int i=0;i<n;i++) {
		for(int j=0;j<n;j++) {
			cin >> x;
			x=='x'?mat[i][j]=0:mat[i][j]=1;
		}
	}
}

int count() {
	int ret = 0;
	for(int i=0;i<n;i++) {
		for(int j=0;j<n;j++) {
			ret += mat[i][j];
		}
	}
	return ret;
}

void solve() {
	int half = n/2;
	int ltotal = count();
	for(int i=0;i<n;i++) {
		int cntr = 0;
		for(int j=0;j<n;j++) {
			cntr += mat[i][j];		
		}
		if(cntr>=half) {
			for(int j=0;j<n;j++) {
				mat[i][j] ^= 1;
			}
		}	
	}
	for(int i=0;i<n;i++) {
		int cntr = 0;
		for(int j=0;j<n;j++) {
			cntr += mat[j][i];		
		}
		if(cntr>=half) {
			for(int j=0;j<n;j++) {
				mat[j][i] ^= 1;
			}
		}	
	}
	int ntotal = count();
	if(ntotal<=k) {
		cout << "DA";
	}
	else {
		if(ntotal<ltotal) {
			solve();
		}
		else {
			cout << "NE";
			
		}
	}
	
}

int main() {
    cin.sync_with_stdio(0); cin.tie(0);
    cin.exceptions(cin.failbit);
    cin >> n >> k;
    load();
    solve();
    return 0;
}

Subtask #1

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	640 KB	Output is correct
2	Correct	6 ms	2176 KB	Output is correct
3	Correct	8 ms	2688 KB	Output is correct
4	Correct	18 ms	4736 KB	Output is correct
5	Correct	11 ms	2688 KB	Output is correct
6	Correct	7 ms	1792 KB	Output is correct
7	Correct	28 ms	2560 KB	Output is correct
8	Correct	96 ms	4864 KB	Output is correct
9	Correct	5 ms	1300 KB	Output is correct
10	Correct	76 ms	4992 KB	Output is correct

Subtask #2

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	512 KB	Output is correct
2	Correct	3 ms	640 KB	Output is correct
3	Correct	3 ms	640 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	3 ms	640 KB	Output is correct
6	Correct	3 ms	512 KB	Output is correct
7	Correct	3 ms	768 KB	Output is correct
8	Correct	3 ms	512 KB	Output is correct
9	Correct	2 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct

Subtask #3

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	3840 KB	Output is correct
2	Correct	17 ms	4352 KB	Output is correct
3	Correct	14 ms	3456 KB	Output is correct
4	Correct	13 ms	3200 KB	Output is correct
5	Correct	18 ms	4728 KB	Output is correct
6	Correct	10 ms	2816 KB	Output is correct
7	Correct	17 ms	3840 KB	Output is correct
8	Correct	20 ms	3968 KB	Output is correct
9	Correct	13 ms	2048 KB	Output is correct
10	Correct	117 ms	5248 KB	Output is correct

Subtask #4

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	4480 KB	Output is correct
2	Correct	23 ms	4480 KB	Output is correct
3	Correct	12 ms	3328 KB	Output is correct
4	Correct	14 ms	3712 KB	Output is correct
5	Correct	14 ms	3968 KB	Output is correct
6	Correct	25 ms	5120 KB	Output is correct
7	Correct	8 ms	2432 KB	Output is correct
8	Correct	15 ms	3840 KB	Output is correct
9	Correct	76 ms	3884 KB	Output is correct
10	Correct	110 ms	5340 KB	Output is correct

Subtask #5

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	3328 KB	Output is correct
2	Correct	12 ms	3328 KB	Output is correct
3	Correct	20 ms	5176 KB	Output is correct
4	Correct	9 ms	2816 KB	Output is correct
5	Correct	11 ms	3328 KB	Output is correct
6	Correct	24 ms	5148 KB	Output is correct
7	Correct	9 ms	2688 KB	Output is correct
8	Correct	14 ms	2944 KB	Output is correct
9	Correct	36 ms	3064 KB	Output is correct
10	Correct	29 ms	2816 KB	Output is correct

Subtask #6

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	20 ms	5288 KB	Output is correct
2	Correct	21 ms	5120 KB	Output is correct
3	Correct	22 ms	4864 KB	Output is correct
4	Correct	13 ms	3712 KB	Output is correct
5	Correct	13 ms	3840 KB	Output is correct
6	Correct	16 ms	3840 KB	Output is correct
7	Correct	10 ms	2816 KB	Output is correct
8	Correct	19 ms	4608 KB	Output is correct
9	Correct	29 ms	3328 KB	Output is correct
10	Correct	101 ms	5240 KB	Output is correct