Submission #1167615

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1167615	2025-03-16 10:27:17	InvMOD	Arranging Shoes (IOI19_shoes)	C++20	100 / 100	374 ms	24708 KiB

shoes

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#include<bits/stdc++.h>
//#define name "InvMOD"
#ifndef name
    #include "shoes.h"
#endif // name
using namespace std;
#define sz(v) (int)(v).size()
using ll = long long;
// 2i : left shoe, 2i + 1: right shoe
// x < 0 -> left shoe, x > 0 -> right shoe
struct BIT{
    vector<int> bit;
    BIT(int n = 0): bit(n + 1) {}
    void update(int p, int val){
        for(; p < sz(bit); p += (p & (-p))){
            bit[p] += val;
        }
        return;
    }
    int get(int p){
        if(p < 0) return 0;
        int res = 0;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 15 / 15