Submission #341415

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
341415	2020-12-29 16:16:01	ivan_tudor	Chessboard (IZhO18_chessboard)	C++14	70 / 100	1196 ms	17576 KiB

chessboard

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#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
struct eventhelp{
  int t;
  int l, r;
  int val;
  int type;
};
void add_int(int l, int r, long long val, long long &cnti, long long &cntp){
  int pare, impare;
  int dst = r - l + 1;
  pare = dst/2;
  impare = dst/2;
  if(dst%2 == 1){
    if(l%2 == 0)
      pare++;
    else
      impare++;
  }
  cnti += 1LL * impare * val;
  cntp += 1LL * pare * val;
}
vector<eventhelp> ev;
long long ans = LLONG_MAX;
int n;
bool cmpev(eventhelp a, eventhelp b){
  if(a.t == b.t)
    return a.type > b.type;
  return a.t < b.t;
 
 
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• Subtask 6: 0 / 30