#include <bits/extc++.h>
int ans[100001],cl[100000],cr[100000];
int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) {
struct p {int x,y;};
__gnu_cxx::rope<p> g;
int cnt = 0;
for (int i = 0; i < N-1; i++) if (K[i] > R) {
cl[i+1]++;
cr[i]++;
cnt++;
}
for (int i = 1; i < N; i++) cl[i]+=cl[i-1];
for (int i = N-2; i >= 0; i--) cr[i]+=cr[i+1];
for (int i = 0; i < N; i++) g.push_back({i,i});
for (int i = 0; i < C; i++) {
int l=g[S[i]].x,r=g[E[i]].y;
g.erase(S[i],E[i]-S[i]+1);
g.insert(S[i],{l,r});
if (cl[l]+cr[r]==cnt) ans[l]++,ans[r+1]--;
}
int a = ans[0];
for (int i = 1; i <= N; i++) a=std::max(a,ans[i] += ans[i-1]);
return a;
}
