Submission #705285

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
705285	2023-03-03 19:06:13	penguinhacker	Election (BOI18_election)	C++17	100 / 100	561 ms	43660 KiB

election

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=5e5;
int n, q, ans[mxN];
string s;
ar<int, 2> st[1<<20];
vector<ar<int, 2>> queries[mxN];
vector<int> stk;
ar<int, 2> cmb(ar<int, 2> a, ar<int, 2> b) {
  return {a[0]+b[0], min(a[1], a[0]+b[1])};
}
void upd(int i, int x, int u=1, int l=0, int r=n-1) {
  if (l==r) {
    st[u][0]=x;
    st[u][1]=min(0, st[u][0]);
    return;
  }
  int mid=(l+r)/2;
  i<=mid?upd(i, x, 2*u, l, mid):upd(i, x, 2*u+1, mid+1, r);
  st[u]=cmb(st[2*u], st[2*u+1]);
}
ar<int, 2> qry(int ql, int qr, int u=1, int l=0, int r=n-1) {
  if (l>qr||r<ql)
 
 
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• Subtask 1: 28 / 28
• Subtask 2: 54 / 54
• Subtask 3: 18 / 18