Submission #1095202

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1095202	2024-10-01 14:50:09	haru09	Bubble Sort 2 (JOI18_bubblesort2)	C++17	Compilation error	0 ms	0 KiB

bubblesort2

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define task "code"
const int ar = 5e5 + 5;
const ll mod = 1e9 + 7;
int n, q;
int a[ar];
int pos[ar], x[ar];
vector<int> nen;
set<int> lis[ar * 2];
int st[(1 << 21) + 5];
int lz[(1 << 21) + 5];
void down(int id, int l, int r)
{
    if (lz[id] == 0) return;
    st[id] += lz[id];
    if (l != r)
    {
        lz[id << 1] += lz[id];
        lz[id << 1 | 1] += lz[id];
    }
    lz[id] = 0;
}
void update(int id, int l, int r, int u, int v, int val)
{
    if (u > v) return;
 
 
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Compilation message (stderr)

bubblesort2.cpp: In function 'void update(int, int, int, int, int, int)':
bubblesort2.cpp:39:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |     int mid = l + r >> 1;
      |               ~~^~~
bubblesort2.cpp: In function 'void update(int, int, int)':
bubblesort2.cpp:51:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |         int mid = l + r >> 1;
      |                   ~~^~~
bubblesort2.cpp: In function 'int main()':
bubblesort2.cpp:98:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |     for (int i = 1; i < nen.size(); i++) lis[i].insert(0);
      |                     ~~^~~~~~~~~~~~
bubblesort2.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bubblesort2.cpp:81:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccAornHe.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccUXansf.o:bubblesort2.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccAornHe.o: in function `main':
grader.cpp:(.text.startup+0x181): undefined reference to `countScans(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status