Submission #276192

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
276192	2020-08-20 11:28:17	Toirov_Sadi	Arranging Shoes (IOI19_shoes)	C++17	25 / 100	230 ms	17612 KiB

shoes

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#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;
const int N = 2e5 + 7;
int t[4 * N];
int lz[4 * N];
void push(int v, int tl, int tr){
    if(lz[v] == 0) return;
    int tm = (tl + tr) / 2;
    t[v * 2] += (tm - tl + 1) * lz[v];
    t[v * 2 + 1] += (tr - tm) * lz[v];
    lz[v * 2] += lz[v];
    lz[v * 2 + 1] += lz[v];
    lz[v] = 0;
}
void upd(int v, int tl, int tr, int l, int r, int x){
    if(l > r) return;
    if(tl == l && tr == r){
        t[v] += (tr - tl + 1) * x;
        lz[v] += x;
        return;
    }
    push(v, tl, tr);
    int tm = (tl + tr) / 2;
    upd(v * 2, tl, tm, l, min(tm, r), x);
    upd(v * 2 + 1, tm + 1, tr, max(tm + 1, l), r, x);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15