Submission #123976

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
123976	2019-07-02 10:21:02	win11905	Jousting tournament (IOI12_tournament)	C++11	100 / 100	124 ms	21488 KiB

tournament

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#include <bits/stdc++.h>
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 1<<17;
struct node {
    int mx, argmx;
    vector<int> son;
};
int n, r, t[N], idx[N];
node g[N<<1];
void update(int x) {
    if(x <= n) t[x]--, update(x + (x & -x));
}
int query(int x) {
    return t[x] + (x ? query(x - (x & -x)) : 0);
}
int get(int x) {
    int l = 1, r = n;
    while(l < r) {
        int m = (l + r) >> 1;
        if(query(m) >= x) r = m;
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 32 / 32
• Subtask 3: 51 / 51