제출 #498581

#제출 시각아이디문제언어결과실행 시간메모리
498581The_SamuraiRed-blue table (IZhO19_stones)C++98
0 / 100
63 ms1540 KiB
#include <bits/stdc++.h> using namespace std; /* 6 6 ++++-- ------ ------ --++++ --++++ 7 7 ++++--- ++++--- ++++--- ---+--- ---++++ ---++++ ---++++ */ void solve() { int n, m; cin >> n >> m; if (n == 1) { cout << "1\n+\n"; return; } if (n % 2 == 0) { int x = 1 - n % 2; cout << n + (n / 2 - x) << '\n'; for (int i = 0; i < n; i++) { for (int j = 0; j < m / 2 + m % 2 + x; j++) { cout << '+'; } for (int j = m / 2 + m % 2 + x; j < m; j++) { cout << '-'; } cout << '\n'; } return; } cout << 2 * n - 2 << '\n'; for (int i = 0; i < n / 2; i++) { for (int j = 0; j < n / 2 + n % 2; j++) { cout << '+'; } for (int j = n / 2 + n % 2; j < n; j++) { cout << '-'; } cout << '\n'; } for (int i = 0; i < n; i++) { cout << '-'; } cout << '\n'; for (int i = 0; i < n / 2; i++) { for (int j = 0; j < n / 2 ; j++) { cout << '-'; } for (int j = n / 2; j < n; j++) { cout << '+'; } cout << '\n'; } } int main() { int t; cin >> t; while (t--) { solve(); } }
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