Submission #359695

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
359695	2021-01-27 06:39:21	vkgainz	Election (BOI18_election)	C++17	100 / 100	746 ms	43080 KiB

election

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#include <bits/stdc++.h>
using namespace std;
const int MX = 5e5 + 5;
struct node {
  int sum, ans, mn, mx;
  node() {
    sum = 0, ans = 0, mn = 0, mx = 0;
  }
  node(int a, int b, int c, int d):
    sum(a), ans(b), mn(c), mx(d)
  {
  }
} seg[4 * MX];
node comb(node &a, node &b) {
  node ret;
  ret.sum = a.sum+b.sum;
  ret.mn = min(a.mn, b.mn + a.sum);
  ret.mx = max(a.mx, b.mx + a.sum);
  ret.ans = max({a.ans - b.sum, b.ans-a.sum, b.mx + a.sum - a.mn - ret.sum});
  return ret;
}
int sz = 1;
void build(string &s, int n, int x=0, int lx=0, int rx=sz) {
  if(rx-lx==1) {
    if(lx<n) {
      if(s[lx]=='C') seg[x] = node(1, -1, 0, 1);
      else seg[x] = node(-1, 1, -1, 0);
    }
    else seg[x] = node();
    return;
 
 
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• Subtask 1: 28 / 28
• Subtask 2: 54 / 54
• Subtask 3: 18 / 18