Submission #340676

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
340676	2020-12-28 06:05:46	wwdd	Red-blue table (IZhO19_stones)	C++14	100 / 100	55 ms	9196 KiB

stones

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pl;
int main() {
  ll N;
  cin >> N;
  while(N--) {
    ll n,m;
    cin >> n >> m;
    pl ha = {0,0},va = {0,0};
    for(int i=0;i<(m/2+1);i++) {
      ll tot = (m-(m/2+1))*(n-i);
      ll ro = (n/2+1)-i;
      ll su = 0;
      if(ro <= 0) {
        su = m;
      } else {
        su = min(tot/ro,m);
      }
      if(su+n-i > ha.second) {
        ha = {i,su+n-i};
      }
    }
    for(int i=0;i<(n/2+1);i++) {
      ll tot = (n-(n/2+1))*(m-i);
      ll ro = (m/2+1)-i;
      ll su = 0;
      if(ro <= 0) {
        su = n;
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 16 / 16
• Subtask 4: 11 / 11
• Subtask 5: 15 / 15
• Subtask 6: 31 / 31