QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#234644 | #5438. Half Mixed | bigJ | WA | 120ms | 3420kb | C++20 | 2.0kb | 2023-11-01 20:13:11 | 2023-11-01 20:13:11 |
Judging History
answer
#include <bits/stdc++.h>
template<typename P, typename Q> std::istream& operator>>(std::istream& is, std::pair<P, Q>& v) { std::cin >> v.first >> v.second; return is; }
template<typename P, typename Q> std::ostream& operator<<(std::ostream& os, std::pair<P, Q>& v) { std::cout << v.first << ' ' << v.second; return os; }
template<typename T, std::size_t N> std::istream& operator>>(std::istream& is, std::array<T, N>& v) { for (auto& i : v) is >> i; return is; }
template<typename T, std::size_t N> std::ostream& operator<<(std::ostream& os, std::array<T, N>& v) { for (auto& i : v) os << i << ' '; return os; }
template<typename T> std::istream& operator>>(std::istream& is, std::vector<T>& v) { for (auto& i : v) is >> i; return is; }
template<typename T> std::ostream& operator<<(std::ostream& os, std::vector<T>& v) { for (auto& i : v) os << i << ' '; return os; }
template<typename...Args> void debug(Args...args) { ((std::cerr << args << ' '), ...); std::cerr << '\n'; }
template<typename...Args> void println(Args...args) { ((std::cout << args << ' '), ...); std::cout << '\n'; }
template<typename P, typename Q> auto chmax(P& a, Q b) { a = (b > a ? b : a); return a == b; }
template<typename P, typename Q> auto chmin(P& a, Q b) { a = (b < a ? b : a); return a == b; }
using i64 = int64_t;
auto solve() {
int n, m;
std::cin >> n >> m;
int tot = 0;
int s1 = i64(1 + n) * n / 2 % 2;
for (int i = 1; i <= m; i++) {
tot ^= 1LL * s1 * i;
}
if (tot & 1) {
std::cout << "No\n";
return;
}
std::cout << "Yes\n";
std::vector<int> a(m, 1);
auto b = a;
b.front() = 0;
auto c = a;
c.back() = 0;
std::cout << b << "\n";
for (int i = 0; i < n - 2; i++) {
std::cout << a << "\n";
}
std::cout << c << "\n";
}
int main() {
std::cin.tie(nullptr);
std::ios::sync_with_stdio(false);
int c;
std::cin >> c;
while (c--) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3392kb
input:
2 2 3 1 1
output:
Yes 0 1 1 1 1 0 No
result:
ok OK, Accepted. (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 120ms
memory: 3420kb
input:
5382 1 1 1 2 2 1 1 3 2 2 3 1 1 4 2 3 3 2 4 1 1 5 2 4 3 3 4 2 5 1 1 6 2 5 3 4 4 3 5 2 6 1 1 7 2 6 3 5 4 4 5 3 6 2 7 1 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1 1 11 2 10 3 9 4 8 5 7 6 6 7 5 8 4 9 3 10 2 11 1 1 12 2 11 3 10 4 9 5 8 6 ...
output:
No No No Yes 0 1 1 1 1 0 No Yes 0 1 0 Yes 0 1 1 1 1 1 1 0 Yes 0 1 1 1 1 0 Yes 0 1 1 1 1 0 Yes 0 1 1 0 No Yes 0 1 1 1 1 1 1 0 Yes 0 1 1 1 1 1 1 1 0 Yes 0 1 1 1 1 1 1 0 No No No Yes 0 1 1 1 1 1 1 1 1 1 1 0 Yes 0 1 1 1 1 1 1 1 1 1 1 0 No No Yes 0 1 1 1 1 1 1 1 1 1 1 1 1...
result:
wrong answer 2 Mixed Submatrices Found, but 3 Expected (test case 4)