CSES - HIIT Open 2018 - Results
Submission details
Task:Grid
Sender:HIIT AND RUN
Submission time:2018-05-26 12:06:04
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.02 sdetails
#2ACCEPTED0.02 sdetails
#3ACCEPTED0.01 sdetails
#4ACCEPTED0.01 sdetails
#5ACCEPTED0.01 sdetails
#6ACCEPTED0.01 sdetails
#7ACCEPTED0.01 sdetails
#8ACCEPTED0.01 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.01 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.00 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails
#17ACCEPTED0.04 sdetails
#18ACCEPTED0.04 sdetails
#19ACCEPTED0.05 sdetails
#20ACCEPTED0.04 sdetails
#21ACCEPTED0.04 sdetails
#22ACCEPTED0.06 sdetails

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int v[1000][1000];
int rivit[1000];
int sarakkeet[1000];

int main() {
    int n;
    cin >> n;
    
    
    
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        for (int j = 0; j < n; j++) {
            v[i][j] = ((int) s[j]) - 48;
        }
    }
    
    
    for (int i = 0; i < n; i++) {
        
        int summa = 0;
        for (int j = 0; j < n; j++) {
            summa += v[i][j];
        }
        rivit[i] = (summa == n);
    }
    
    for (int i = 0; i < n; i++) {
        
        int summa = 0;
        for (int j = 0; j < n; j++) {
            summa += v[j][i];
        }
        sarakkeet[i] = (summa == n);
    }
    
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (rivit[i] == 0 && sarakkeet[j] == 0 && v[i][j] == 1) {
                cout << "-1" << endl;
                exit(0);
            }
        }
    }
    
    ll sarakesumma = 0;
    
    for (int i = 0; i < n; i++) {
        sarakesumma += sarakkeet[i];
    }
    
    ll rivisumma = 0;
    
    for (int i = 0; i < n; i++) {
        rivisumma += rivit[i];
    }
    
    
    
    ll total = sarakesumma + rivisumma;
    
    if (total == 2 * n) {
        cout << n << endl;
        return 0;
    }
    
    cout << total << endl;
}

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