#include <bits/stdc++.h>
#define y1 theboatman
#define make_struct(args...) {args}
using namespace std;
typedef long long ll;
const long long INF = 1e18 + 10;
const int inf = 1e9 + 10;
const int N = 1e6 + 10;
void solve5(int n, int m) {
cout << (n - 1) / 2 + m << "\n";
for(int i = 0; i < (n - 1) / 2; i++) {
for(int j = 0; j < m; j++) {
cout << "+";
}
cout << "\n";
}
for(int i = (n - 1) / 2; i < n; i++) {
for(int j = 0; j < m; j++) {
cout << "-";
}
cout << "\n";
}
}
void solve() {
int n, m;
cin >> n >> m;
if (n == m) {
solve5(n, m);
}
else {
cout << "-1\n";
}
}
int main() {
cin.tie(0);
ios::sync_with_stdio(0);
int test;
cin >> test;
while(test--) {
solve();
}
return 0;
}
/*
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Wrong answer |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Wrong answer |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Wrong answer |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
376 KB |
Wrong answer |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
28 ms |
1340 KB |
Wrong answer in test 24 24: 35 < 44 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Wrong answer |
2 |
Halted |
0 ms |
0 KB |
- |