Submission #574521

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
574521	2022-06-08 17:40:50	FatihSolak	Election (BOI18_election)	C++17	0 / 100	2 ms	340 KiB

election

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#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
 
struct Node {
    int l_min, r_min, tot, ans;
 
    Node operator+(Node b) {
        Node ret;
        ret.l_min = max(l_min, b.l_min - tot);
        ret.r_min = max(r_min - b.tot, b.r_min);
        ret.tot = tot + b.tot;
        ret.ans = max(max(l_min + b.ans,ans + b.r_min),l_min + b.r_min);
        return ret;
    }
};
 
Node segtree[2000001];
char s[500001];
int n;
 
void build(int node = 1, int l = 1, int r = n) {
    if (l == r) {
        if (s[l] == 'T') segtree[node] = {1, 1, -1, 1};
        else segtree[node] = {0, 0, 1, 0};
    } else {
        int mid = (l + r) / 2;
        build(node * 2, l, mid);
        build(node * 2 + 1, mid + 1, r);
 
 
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• Subtask 1: 0 / 28
• Subtask 2: 0 / 54
• Subtask 3: 0 / 18