Submission #1032018

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1032018	2024-07-23 10:11:51	boyliguanhan	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 N 1<<20
pair<int,int>val[N];
int lz[2*N],vl[2*N],Cc;
int read(){
    int x=0;
    char c=getchar();
    while(c<48||c>57)
        c=getchar();
    while(c>47&&c<58)
        x=x*10+c-48,c=getchar();
    return x;
}
void pd(int n){
    if(n<N)lz[2*n]+=lz[n],
        lz[2*n+1]+=lz[n];
    vl[n]+=lz[n]; lz[n]=0;
}
void upd(int i,int l,int r,int ll,int rr,int v){
    pd(i);
    if(ll>r||l>rr)return;
    if(ll<=l&&r<=rr)
        return lz[i]+=v,pd(i);
    upd(i*2,l,l+r>>1,ll,rr,v);
    upd(i*2+1,l+r+2>>1,r,ll,rr,v);
    vl[i]=max(vl[i*2],vl[i*2+1]);
}
signed main(){
    int n(read()),q(read());
 
 
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Compilation message (stderr)

bubblesort2.cpp: In function 'void upd(int, int, int, int, int, int)':
bubblesort2.cpp:25:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   25 |     upd(i*2,l,l+r>>1,ll,rr,v);
      |               ~^~
bubblesort2.cpp:26:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   26 |     upd(i*2+1,l+r+2>>1,r,ll,rr,v);
      |               ~~~^~
/usr/bin/ld: /tmp/ccy8gjdn.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccA8HKWp.o:bubblesort2.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccy8gjdn.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