Submission #746500

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
746500	2023-05-22 14:40:07	nguyentunglam	Bubble Sort 2 (JOI18_bubblesort2)	C++17	100 / 100	2259 ms	51656 KiB

bubblesort2

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#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 1e6 + 01;
vector<ii> rrh;
int T[N << 2], lazy[N << 2];
void push(int s, int l, int r) {
    if (!lazy[s]) return;
    T[s] += lazy[s];
    if (l != r) {
        lazy[s << 1] += lazy[s];
        lazy[s << 1 | 1] += lazy[s];
    }
    lazy[s] = 0;
}
void up(int s, int l, int r, int from, int to, int val) {
    push(s, l, r);
    if (l > to || r < from) return;
    if (from <= l && r <= to) {
        lazy[s] += val;
        push(s, l, r);
        return;
    }
    int mid = l + r >> 1;
    up(s << 1, l, mid, from, to, val);
 
 
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Compilation message (stderr)

bubblesort2.cpp: In function 'void up(int, int, int, int, int, int)':
bubblesort2.cpp:29:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |     int mid = l + r >> 1;
      |               ~~^~~
bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(int i = 0; i < pos.size(); i++) rrh.emplace_back(val[i], pos[i]);
      |                    ~~^~~~~~~~~~~~
bubblesort2.cpp:55:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i = 0; i < pos.size(); i++) {
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 21 / 21
• Subtask 3: 22 / 22
• Subtask 4: 40 / 40