CSES - HIIT Open 2018 - Results
Submission details
Task:Grid
Sender:barely div 2.8 burgeria
Submission time:2018-05-26 11:34:55
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.02 sdetails
#2ACCEPTED0.01 sdetails
#3ACCEPTED0.01 sdetails
#4ACCEPTED0.01 sdetails
#5ACCEPTED0.01 sdetails
#6ACCEPTED0.01 sdetails
#7ACCEPTED0.01 sdetails
#8ACCEPTED0.01 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.02 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.01 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails
#17ACCEPTED0.04 sdetails
#18ACCEPTED0.03 sdetails
#19ACCEPTED0.04 sdetails
#20ACCEPTED0.05 sdetails
#21ACCEPTED0.04 sdetails
#22ACCEPTED0.04 sdetails

Code

#include <iostream>
#include <cmath>
#include <string>
#include <vector>

using namespace std;

typedef long long LL;

int main(){
	LL n; cin >> n;
	vector<string> v;
	vector<bool> rowb(n);
	vector<bool> colb(n);
	int tot = 0;
	for (int i = 0; i < n; i++) {
		string s; cin >> s;
		v.emplace_back(s);
		for (char c : s) {
			if (c == '1') tot++;
		}
	}
	int rowtrue = 0;
	int coltrue = 0;
	for (int row = 0; row < n; row++) {
		int col = 0;
		for (; col < n; col++) {
			if (v[row][col] == '0') break;
		}
		if (col == n) { rowb[row] = true; rowtrue++; }
	}
	for (int col = 0; col < n; col++) {
		int row = 0;
		for (; row < n; row++) {
			if (v[row][col] == '0') break;
		}
		if (row == n) { colb[col] = true; coltrue++; }
	}
	if (rowtrue * n + coltrue * n - rowtrue*coltrue != tot) {
		cout << -1; return 0;
	}
	if (rowtrue == n || coltrue == n) {
		cout << n; return 0;
	}
	cout << rowtrue + coltrue;

}






Test details

Test 1

Verdict: ACCEPTED

input
1
0

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
1
1

correct output
1

user output
1

Test 3

Verdict: ACCEPTED

input
2
00
00

correct output
0

user output
0

Test 4

Verdict: ACCEPTED

input
2
10
00

correct output
-1

user output
-1

Test 5

Verdict: ACCEPTED

input
2
11
00

correct output
1

user output
1

Test 6

Verdict: ACCEPTED

input
2
11
01

correct output
2

user output
2

Test 7

Verdict: ACCEPTED

input
2
11
11

correct output
2

user output
2

Test 8

Verdict: ACCEPTED

input
3
000
000
000

correct output
0

user output
0

Test 9

Verdict: ACCEPTED

input
3
100
100
100

correct output
1

user output
1

Test 10

Verdict: ACCEPTED

input
3
101
101
101

correct output
2

user output
2

Test 11

Verdict: ACCEPTED

input
3
111
101
101

correct output
3

user output
3

Test 12

Verdict: ACCEPTED

input
3
111
000
000

correct output
1

user output
1

Test 13

Verdict: ACCEPTED

input
3
111
000
111

correct output
2

user output
2

Test 14

Verdict: ACCEPTED

input
3
111
100
111

correct output
3

user output
3

Test 15

Verdict: ACCEPTED

input
3
111
101
111

correct output
4

user output
4

Test 16

Verdict: ACCEPTED

input
3
111
111
111

correct output
3

user output
3

Test 17

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...

correct output
0

user output
0

Test 18

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...

correct output
10

user output
10

Test 19

Verdict: ACCEPTED

input
1000
100000000000000000100000000000...

correct output
41

user output
41

Test 20

Verdict: ACCEPTED

input
1000
000000100000000001000000010000...

correct output
192

user output
192

Test 21

Verdict: ACCEPTED

input
1000
111111111111111111111111111111...

correct output
999

user output
999

Test 22

Verdict: ACCEPTED

input
1000
111111111111111111111111111111...

correct output
1000

user output
1000