| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1231123 | lopkus | Football (info1cup20_football) | C++20 | 22 ms | 584 KiB |
#include <bits/stdc++.h>
#define int int64_t
signed main() {
int tt;
std::cin >> tt;
std::vector<int> ans;
while(tt--) {
int n, k;
std::cin >> n >> k;
std::vector<int> a(n + 1);
for(int i = 1; i <= n; i++) {
std::cin >> a[i];
}
int sum = 0;
for(int i = 1; i <= n; i++) {
sum += a[i];
}
if(sum % 2) {
ans.push_back(1);
continue;
}
// sum % 2 == 0
if(k == 1) {
ans.push_back(sum % 2);
continue;
}
assert(k == 2);
int cnt = 0;
for(int i = 1; i <= n; i++) {
cnt += a[i] % 2;
}
int e = 0;
for(int i = 1; i <= n; i++) {
e += a[i] / 2;
}
if(e % 2 == 0) {
ans.push_back(cnt % 2);
}
else {
ans.push_back((cnt % 2) ^ 1);
}
}
for(int i = 0; i < ans.size(); i++) {
std::cout << ans[i];
}
}
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