Submission #435952

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435952	2021-06-24 02:32:35	cgiosy	Biochips (IZhO12_biochips)	C++17	Compilation error	0 ms	0 KiB

biochips

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// gs14004's code test
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
using namespace std;
 
int n,m,inp[200005];
 
int piv,sz[200005],a[200005];
vector<int> g[200005];
int root;
 
int dfs(int x){
    int num = ++piv;
    a[num] = inp[x];
    sz[num] = 1;
    for(int &i : g[x]){
        sz[num] += dfs(i);
    }
    return sz[num];
}
 
int dp[2][200005];
 
int main(){
  ios::sync_with_stdio(0);cin.tie(0);
    cin>>n>>m;
    for (int i=1; i<=n; i++) {
        int p, w;
 
 
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Compilation message (stderr)

biochips.cpp: In function 'int main()':
biochips.cpp:27:2: error: 'ios' has not been declared
   27 |  ios::sync_with_stdio(0);cin.tie(0);
      |  ^~~
biochips.cpp:27:26: error: 'cin' was not declared in this scope
   27 |  ios::sync_with_stdio(0);cin.tie(0);
      |                          ^~~
biochips.cpp:5:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    4 | #include <algorithm>
  +++ |+#include <iostream>
    5 | #include <vector>
biochips.cpp:42:5: error: 'cout' was not declared in this scope
   42 |     cout<<dp[m%2][1];
      |     ^~~~
biochips.cpp:42:5: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?