Submission #436399

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
436399	2021-06-24 13:16:21	keta_tsimakuridze	Exam (eJOI20_exam)	C++14	100 / 100	213 ms	15784 KiB

exam

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#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
const int N=5000+5,M=1e5+5,mod=1e9+7;
int t,b[M],a[M],dp[N],ans,n,tree[4*M],r[M],l[M];
map<int,vector<int> > c;
bool ok(int x,int y) {
  if(x<=y && r[x] > y) return 1;
  if(x>y && l[x]<y) return 1;
  return 0;
}
void update(int u,int ind,int l,int r,int val) {
  if(l>ind || r<ind) return;
  if(l==r) {
    tree[u] = val;
    return;
  }
  int mid=(l+r)/2;
  update(2*u,ind,l,mid,val);
  update(2*u+1,ind,mid+1,r,val);
  tree[u] = max(tree[2*u],tree[2*u+1]);
}
int getans(int u,int start,int end,int l,int r){
  if(l>end || r<start) return 0;
  if(start<=l && r<=end) return tree[u];
  int mid = (l+r)/2;
  return max(getans(2*u,start,end,l,mid),getans(2*u+1,start,end,mid+1,r));
}
 main(){
 
 
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Compilation message (stderr)

exam.cpp:30:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   30 |  main(){
      |  ^~~~

• Subtask 1: 14 / 14
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 23 / 23
• Subtask 5: 16 / 16
• Subtask 6: 22 / 22