Submission #944595

#	Time	Username	Problem	Language	Result	Execution time	Memory
944595		irmuun	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include<bits/stdc++.h>
#include "cave.h"

using namespace std;

#define ll long long
#define pb push_bacK
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

void exploreCave(int n){
    int s[n],d[n];
    vector<bool>used(n,0);
    for(int i=0;i<n;i++){
        vector<int>v;
        for(int j=0;j<n;j++){
            if(!used[j]){
                v.pb(j);
            }
        }
        int sz,v.size(),l=1,r=v.size();
        int last=0;
        for(int j=i;j<n;j++){
            s[j]=0;
        }
        int x=tryCombination(s);
        int q=1,p=0;
        if(x==-1||x>i){
            swap(q,p);
        }
        while(l<r){
            int mid=(l+r)/2;
            for(int j=0;j<sz;j++){
                if(j<mid){
                    s[v[j]]=q;
                }
                else{
                    s[v[j]]=p;
                }
            }
            int x=tryCombination(s);
            if(x==-1||x>i){
                r=mid;
            }
            else{
                l=mid+1;
            }
        }
        d[v[l-1]]=i;
        s[i-1]=q;
    }
    answer(s,d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:7:12: error: 'class std::vector<int>' has no member named 'push_bacK'; did you mean 'push_back'?
    7 | #define pb push_bacK
      |            ^~~~~~~~~
cave.cpp:20:19: note: in expansion of macro 'pb'
   20 |                 v.pb(j);
      |                   ^~
cave.cpp:23:17: error: expected initializer before '.' token
   23 |         int sz,v.size(),l=1,r=v.size();
      |                 ^
cave.cpp:33:15: error: 'l' was not declared in this scope
   33 |         while(l<r){
      |               ^
cave.cpp:33:17: error: 'r' was not declared in this scope
   33 |         while(l<r){
      |                 ^
cave.cpp:51:13: error: 'l' was not declared in this scope
   51 |         d[v[l-1]]=i;
      |             ^
cave.cpp:24:13: warning: unused variable 'last' [-Wunused-variable]
   24 |         int last=0;
      |             ^~~~