CSES - HIIT Open 2018 - Results
Submission details
Task:Grid
Sender:Robotiimi
Submission time:2018-05-26 13:23:09
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.01 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
#10ACCEPTED0.01 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.01 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails
#17ACCEPTED0.03 sdetails
#18ACCEPTED0.03 sdetails
#19ACCEPTED0.03 sdetails
#20ACCEPTED0.04 sdetails
#21ACCEPTED0.05 sdetails
#22ACCEPTED0.07 sdetails

Code

#include <bits/stdc++.h>
#include <string>
#include <vector>
//#include <array>

using namespace std;


int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);


int n;
cin >> n;

int answer = 0;
vector <vector<int> > grid;
vector <int> paintedcol;
vector <int> paintedrow;
vector <int> owngrid (n*n,0);


for (int i=0; i<n; i++) {
    string tmp;
    cin >> tmp;
    int tmpsize = tmp.size();
    vector <int> tmpv;
    for (int j=0; j<tmpsize; j++) {
        tmpv.push_back((int) tmp[j] - (int) '0');
    }
    grid.push_back(tmpv);
}

int origsum = 0;

for (int i=0; i<n; i++) {
    int sumrow = 0;
    int sumcol = 0;
    for (int j=0; j<n; j++) {
        sumrow += grid[i][j];
        sumcol += grid[j][i];
        origsum += grid[i][j];
    }
    if (sumrow == n) {
        answer++;
        for (int j=0; j<n; j++) {
            owngrid[i*n+j] = 1;
        }
        paintedrow.push_back(i);
    }
    if (sumcol == n) {
        answer++;
        for (int j=0; j<n; j++) {
            owngrid[j*n+i] = 1;
        }
        paintedcol.push_back(i);
    }
}
if (answer == n+n) {
    answer = n;
}

int ownsum = 0;

for (int i=0; i<n; i++) {
    for (int j=0; j<n; j++) {
        //cout << grid[i][j];
        ownsum += owngrid[i*n+j];
        //if grid[i][j]
    }
    //cout << endl;
}

if (ownsum != origsum) {
    answer = -1;
}

cout << answer << "\n";
}

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