Submission #1231123

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231123		lopkus	Football (info1cup20_football)	C++20	42 / 100	22 ms	584 KiB

football

#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];
  }
}

• Subtask 1: 26 / 26
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 16 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8