Submission #1321614

#	Time	Username	Problem	Language	Result	Execution time	Memory
1321614		exoworldgd	Cave (IOI13_cave)	C++20	Compilation error	0 ms	0 KiB

cave

#include<bits/stdc++.h>
#include"cave.h"
#define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0)
#define ll long long
using namespace std;
void fn(int s[],int ok[],int n,int l,int r,int v[]){for(int i=0;i<n;i++)l>i||i>r?v[i]=s[i]:ok[i]?v[i]=s[i]:v[i]=1-s[i];}
void exploreCave(int n){
    int s[n],d[n],ok[n];
    for(int i=0;i<n;i++)s[i]=ok[i]=0;
    for(int i=0,p,f,l,r,k;i<n;i++){
    	p=tryCombination(s),f=p==i,l=0,r=n-1;
    	for(int m,v[n];l<r;)m=(l+r)>>1,v[n],fn(s,ok,n,l,m,v),k=tryCombination(v),f?(k^i?r=m:l=m+1):(k^i:l=m+1:r=m);
		d[l]=i,f?s[l]=1-s[l]:0,ok[l]=1;
	}
	answer(s,d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:12:104: error: found ':' in nested-name-specifier, expected '::'
   12 |         for(int m,v[n];l<r;)m=(l+r)>>1,v[n],fn(s,ok,n,l,m,v),k=tryCombination(v),f?(k^i?r=m:l=m+1):(k^i:l=m+1:r=m);
      |                                                                                                        ^
      |                                                                                                        ::
cave.cpp:12:103: error: 'i' is not a class, namespace, or enumeration
   12 |         for(int m,v[n];l<r;)m=(l+r)>>1,v[n],fn(s,ok,n,l,m,v),k=tryCombination(v),f?(k^i?r=m:l=m+1):(k^i:l=m+1:r=m);
      |                                                                                                       ^
cave.cpp:12:110: error: expected ')' before ':' token
   12 |         for(int m,v[n];l<r;)m=(l+r)>>1,v[n],fn(s,ok,n,l,m,v),k=tryCombination(v),f?(k^i?r=m:l=m+1):(k^i:l=m+1:r=m);
      |                                                                                                    ~         ^
      |                                                                                                              )