#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1000;
char mat[MAX_N][MAX_N];
int sumL[MAX_N], sumC[MAX_N];
int main() {
int t;
cin >> t;
for ( ; t > 0; t-- ) {
int n, m;
cin >> n >> m;
if ( n % 2 == 1 ) {
for ( int l = 0; l < n; l++ ) {
for ( int c = 0; c < m; c++ ) {
if ( l == n - 1 && m != 1 )
mat[l][c] = '-';
else {
if ( l < n / 2 ) {
if ( c <= m / 2 )
mat[l][c] = '+';
else
mat[l][c] = '-';
} else {
if ( c < m / 2 )
mat[l][c] = '-';
else
mat[l][c] = '+';
}
}
}
}
} else {
for ( int l = 0; l < n; l++ ) {
for ( int c = 0; c < m; c++ ) {
if ( l >= n - 2 && m != 1 )
mat[l][c] = '-';
else {
if ( l < n / 2 ) {
if ( c <= m / 2 )
mat[l][c] = '+';
else
mat[l][c] = '-';
} else {
if ( c < m / 2 )
mat[l][c] = '-';
else
mat[l][c] = '+';
}
}
}
}
}
for ( int l = 0; l < n; l++ )
sumL[l] = 0;
for ( int c = 0; c < m; c++ )
sumC[c] = 0;
for ( int l = 0; l < n; l++ ) {
for ( int c = 0; c < m; c++ ) {
sumL[l] += (mat[l][c] == '+' ? 1 : -1);
sumC[c] += (mat[l][c] == '+' ? -1 : +1);
}
}
int r = 0;
for ( int l = 0; l < n; l++ )
r += (sumL[l] > 0);
for ( int c = 0; c < m; c++ )
r += (sumC[c] > 0);
cout << r << "\n";
for ( int l = 0; l < n; l++ ) {
for ( int c = 0; c < m; c++ )
cout << mat[l][c];
cout << "\n";
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
1 ms |
348 KB |
Wrong answer in test 4 4: 3 < 5 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Wrong answer in test 20 2: 10 < 20 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
1 ms |
348 KB |
Wrong answer in test 4 4: 3 < 5 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
1368 KB |
Output is correct |
2 |
Correct |
18 ms |
1880 KB |
Output is correct |
3 |
Correct |
17 ms |
2156 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
24 ms |
1368 KB |
Wrong answer in test 24 24: 23 < 44 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
1 ms |
348 KB |
Wrong answer in test 4 4: 3 < 5 |
3 |
Halted |
0 ms |
0 KB |
- |