Submission #253656

#	Time	Username	Problem	Language	Result	Execution time	Memory
253656		khangal	Split the Attractions (IOI19_split)	C++14	Compilation error	0 ms	0 KiB

split

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll sz,n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,r,h,a[1234567],w,x,y,z;
bool used[1234567];
vector<ll> v[1234567],vec;
string s1,s;
ll dx[4]={-1,1,0,0},dy[4]={0,0,-1,1},c1[123][123];
void dfs(ll a){
    if(used[a])return ;
    used[a]=1;
    for(ll i=0;i<v[a].size();i++){
        dfs(v[a][i]);
    }
    vec.pb(a);
}
vector<ll> find_split(int n ,  int  a , int b ,int c  ,vector<int>v1 , vector<int>v2){
    ll m = v1.size();
    for(ll i = 0 ;i < m ;i++){
        v[v1[i]].pb(v2[i]);
        v[v2[i]].pb(v1[i]);
    }
    dfs(0);
    vl ans(n);
    for(auto &x:ans)x=0;
    for(ll i = 0 ;i<a;i++){
        ans[vec[i]]=1;
    }
    for(ll i = a;i<a+b;i++){
        ans[vec[i]]=2;
    }
    for(ll i = a+b;i<n;i++){
        ans[vec[i]]=3;
    }
    return ans;
}

Compilation message (stderr)

split.cpp: In function 'void dfs(ll)':
split.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll i=0;i<v[a].size();i++){
                ~^~~~~~~~~~~~
split.cpp: In function 'std::vector<long long int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:43:5: error: 'vl' was not declared in this scope
     vl ans(n);
     ^~
split.cpp:43:5: note: suggested alternative: 'v1'
     vl ans(n);
     ^~
     v1
split.cpp:44:17: error: 'begin' was not declared in this scope
     for(auto &x:ans)x=0;
                 ^~~
split.cpp:44:17: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
                 from split.cpp:1:
/usr/include/c++/7/valarray:1211:5: note:   'std::begin'
     begin(const valarray<_Tp>& __va)
     ^~~~~
/usr/include/c++/7/valarray:1211:5: note:   'std::begin'
split.cpp:44:17: error: 'end' was not declared in this scope
     for(auto &x:ans)x=0;
                 ^~~
split.cpp:44:17: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
                 from split.cpp:1:
/usr/include/c++/7/valarray:1231:5: note:   'std::end'
     end(const valarray<_Tp>& __va)
     ^~~
/usr/include/c++/7/valarray:1231:5: note:   'std::end'
split.cpp:46:19: error: invalid types 'll {aka long long int}[__gnu_cxx::__alloc_traits<std::allocator<long long int> >::value_type {aka long long int}]' for array subscript
         ans[vec[i]]=1;
                   ^
split.cpp:49:19: error: invalid types 'll {aka long long int}[__gnu_cxx::__alloc_traits<std::allocator<long long int> >::value_type {aka long long int}]' for array subscript
         ans[vec[i]]=2;
                   ^
split.cpp:52:19: error: invalid types 'll {aka long long int}[__gnu_cxx::__alloc_traits<std::allocator<long long int> >::value_type {aka long long int}]' for array subscript
         ans[vec[i]]=3;
                   ^
split.cpp:54:12: error: could not convert 'ans' from 'll {aka long long int}' to 'std::vector<long long int>'
     return ans;
            ^~~