Submission #1135911

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1135911	2025-01-14 09:52:56	nikolashami	Arranging Shoes (IOI19_shoes)	C++20	100 / 100	62 ms	22120 KiB

shoes

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#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int N=1e5+2;
set<int>ps[N],ng[N];
int b[N<<1],bit[N<<1],n;
     
int get(int k){
    int s=0;++k;
    while(k>0){
        s+=bit[k];
        k-=k&-k;
    }
    return s;
}
 
void add(int k,int x){
    ++k;
    while(k<=n){
        bit[k]+=x;
        k+=k&-k;
    }
}
void reset(){
    for(int i=0;i<=n;++i){
        if(i<N)ps[i].clear();
        if(i<N)ng[i].clear();
        bit[i]=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