Submission #799872

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
799872	2023-08-01 07:23:40	phoenix	Tourism (JOI23_tourism)	C++17	100 / 100	480 ms	24992 KiB

tourism

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 100000 + 10;
const int M = (1 << 17);
int n, m, q;
int T;
int sz[N];
int tin[N];
int tout[N];
int depth[N];
int par[N];
int head[N];
int heavy[N];
vector<int> g[N];
int sum_cnt[2 * M];
bool have[2 * M];
int color[2 * M];
void upd(int pos, int d) {
    for (sum_cnt[pos += M] += d; pos > 1; pos >>= 1)
        sum_cnt[pos >> 1] = sum_cnt[pos] + sum_cnt[pos ^ 1];
}
int get(int ql, int qr) {
    int res = 0;
    for (ql += M, qr += M + 1; ql < qr; ql >>= 1, qr >>= 1) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 18 / 18
• Subtask 5: 24 / 24
• Subtask 6: 41 / 41