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HIIT Open 2018

Start:2018-05-26 11:00:00
End:2018-05-26 16:00:00
 

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CSES - HIIT Open 2018 - Results
History
2018-05-26 12:06:04
Task:Grid
Sender:HIIT AND RUN
Submission time:2018-05-26 12:06:04
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.02 / 1.00details
#2ACCEPTED0.02 / 1.00details
#3ACCEPTED0.01 / 1.00details
#4ACCEPTED0.01 / 1.00details
#5ACCEPTED0.01 / 1.00details
#6ACCEPTED0.01 / 1.00details
#7ACCEPTED0.01 / 1.00details
#8ACCEPTED0.01 / 1.00details
#9ACCEPTED0.01 / 1.00details
#10ACCEPTED0.01 / 1.00details
#11ACCEPTED0.01 / 1.00details
#12ACCEPTED0.01 / 1.00details
#13ACCEPTED0.01 / 1.00details
#14ACCEPTED0.00 / 1.00details
#15ACCEPTED0.01 / 1.00details
#16ACCEPTED0.01 / 1.00details
#17ACCEPTED0.04 / 1.00details
#18ACCEPTED0.04 / 1.00details
#19ACCEPTED0.05 / 1.00details
#20ACCEPTED0.04 / 1.00details
#21ACCEPTED0.04 / 1.00details
#22ACCEPTED0.06 / 1.00details

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
view   save

correct output
0
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user output
0
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Test 2

Verdict: ACCEPTED

input
1
1
view   save

correct output
1
view   save

user output
1
view   save

Test 3

Verdict: ACCEPTED

input
2
00
00
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correct output
0
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user output
0
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Test 4

Verdict: ACCEPTED

input
2
10
00
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correct output
-1
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user output
-1
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Test 5

Verdict: ACCEPTED

input
2
11
00
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correct output
1
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user output
1
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Test 6

Verdict: ACCEPTED

input
2
11
01
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correct output
2
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user output
2
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Test 7

Verdict: ACCEPTED

input
2
11
11
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correct output
2
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user output
2
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Test 8

Verdict: ACCEPTED

input
3
000
000
000
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correct output
0
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user output
0
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Test 9

Verdict: ACCEPTED

input
3
100
100
100
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correct output
1
view   save

user output
1
view   save

Test 10

Verdict: ACCEPTED

input
3
101
101
101
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correct output
2
view   save

user output
2
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Test 11

Verdict: ACCEPTED

input
3
111
101
101
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correct output
3
view   save

user output
3
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Test 12

Verdict: ACCEPTED

input
3
111
000
000
view   save

correct output
1
view   save

user output
1
view   save

Test 13

Verdict: ACCEPTED

input
3
111
000
111
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correct output
2
view   save

user output
2
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Test 14

Verdict: ACCEPTED

input
3
111
100
111
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correct output
3
view   save

user output
3
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Test 15

Verdict: ACCEPTED

input
3
111
101
111
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correct output
4
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user output
4
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Test 16

Verdict: ACCEPTED

input
3
111
111
111
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correct output
3
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user output
3
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Test 17

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...
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correct output
0
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user output
0
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Test 18

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...
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correct output
10
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user output
10
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Test 19

Verdict: ACCEPTED

input
1000
100000000000000000100000000000...
view   save

correct output
41
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user output
41
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Test 20

Verdict: ACCEPTED

input
1000
000000100000000001000000010000...
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correct output
192
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user output
192
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Test 21

Verdict: ACCEPTED

input
1000
111111111111111111111111111111...
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correct output
999
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user output
999
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Test 22

Verdict: ACCEPTED

input
1000
111111111111111111111111111111...
view   save

correct output
1000
view   save

user output
1000
view   save